What is a repack? A pack the seller fills

A repack is a pack filled by someone other than the card maker. Tap a pack type to see who chooses what is inside, then find where each of the 27 rated apps sits.

By Alexander Korsager · Checked 7 October 2026 · We earn nothing from any app on this site

rated apps sell a digital repack24 of 27

say their odds move as packs open12 of 27

use the word “repack”3 of 27

Resealed?

Repack
chooses what is inside: A reseller
is where the odds come from: The reseller's list

The short answer

A repack is a pack put together by a seller, from cards that have already left their factory packs.

The definition a law firm gives

“A repack generally consists of cards that were originally pulled from manufacturer-issued products and then reassembled into new mystery packages by a third-party seller or distributor.”

Formats the same alert lists as repacksSports card mystery boxesGraded card mystery packsMulti-sport repacksMemorabilia repacksTCG mystery productsLivestream “instant rip” productsWomble Bond Dickinson, client alert of 5 August 2026, read 7 October 2026. Open the page

No operator page we read defines the word, so the definition is a law firm's. Its list names graded-card mystery packs and “instant rip” products, which is most of what rip apps sell. The other hobby words are in what is card ripping.

Four packs, four people filling them

The wrapper tells you little. Who chose the cards tells you whose odds you are buying.

Maker

Maker prints the setchooses the cards

Factory sealed

Maker seals the pack

You

You open it

In a source's words

“Unlike traditional sealed products from manufacturers such as Topps or Panini, repacks are curated by private companies, breakers, or hobby operators.”

Womble Bond Dickinson, client alert of 5 August 2026, read 7 October 2026. Open the page

Who chooses the contents: The card maker, when the set is printed and packed.
Who opens it: You. Nobody has seen inside since the factory.
Where the odds come from: The maker's, where it prints them. Which makers do was not read for this page.
Check before you pay: That the wrapper is the maker's own and has not been opened.

The four kinds of pack side by side
Pack	Chooses the cards	Odds come from
Factory pack	The maker	The print run
Repack	A reseller	The reseller's list
Sealed pack, opened for you	The maker	The print run
Digital repack	The app	The app's pack page

Where each rated app sits

24 of the 27 apps we rate sell a digital repack, whatever they call it. Repackz, Collector Crypt, and Fanatics Instant Rips use the word.

24 Digital repackThe app, or a supplier it names, fills a pool of single cards. The app sets the odds.
2 Copy of a factory setThe app rebuilds a maker's booster in software, with pull rates it estimates itself.
1 Sealed packs and repacksThe app opens real factory packs on request and also sells its own mystery packs.

Who fills the pack at each rated app, and whether its odds move as packs are opened
App	Who fills the pack	Odds as packs open
Arena Club	The app	Move Read on the operator's own page “The checklist updates in real time as users pull cards.” The help centre also says a pulled card is replaced with one of similar value, so a hit rate may move little. The article was read through the help centre's own article feed. Checked 6 Oct 2026. Open the source
Lastpack	The app	Move Read on the operator's own page “Odds change in real time as inventory is purchased and opened.” Checked 6 Oct 2026. Open the source
Phygitals	The app	Not published We looked and the operator does not publish it Pack pages label the table “Live odds”; the explanation behind the label was not read. The terms say odds “are determined at the time of purchase” and that changes “apply to future pack purchases only”. No page read says odds move with inventory. Checked 6 Oct 2026.
Repackz	The app Calls it a repack Read on the operator's own page “Repackz™ by Collectibles.com are virtual packs containing real, graded trading cards” Checked 7 Oct 2026. Open the source	Move Read on the operator's own page “Odds update in real time as other users open packs.” Checked 6 Oct 2026. Open the source
Tilt Rips	The app	Not published We looked and the operator does not publish it No page read says odds move with inventory. The terms say stated odds and expected value are “based on the applicable configuration at the time of publication and may be updated or corrected if materially inaccurate”. Checked 6 Oct 2026.
Courtyard	The app	Move Read on the operator's own page Checked 6 Oct 2026. Open the source
Ripit	The app	Fixed Read on the operator's own page “Once a product offering is published, the Item pool and applicable odds for that offering are fixed.” Checked 6 Oct 2026. Open the source
Packz	The app	Not published We looked and the operator does not publish it Not stated on the pages read. Checked 6 Oct 2026.
RipRip.io	The app	Move Read on the operator's own page “Odds are calculated in real time.” The pack page does not say what makes the odds move. For a single opening they are fixed beforehand, by the how-it-works page. Checked 6 Oct 2026. Open the source
rip.fun	The maker for sealed packs, the app for mystery packs Read on the operator's own page “Opening packs on RIP.FUN is real, every pack exists physically in our vault.” Checked 7 Oct 2026. Open the source	Move Read on the operator's own page “Odds are calculated in real-time.” Checked 6 Oct 2026. Open the source
Collector Crypt	The app Calls it a repack Read on the operator's own page “Our Gacha is the highest E(V) digital repack product in existence.” Checked 7 Oct 2026. Open the source	Not published We looked and the operator does not publish it It depends on the kind of machine, and the docs do not say which kind each public pack is. A Fixed EV machine “re-solves its odds on every pack”, moving chance between the Uncommon and Rare tiers only. On a Dynamic EV machine “the published odds are fixed” and the expected value drifts as cards are switched in and out. Checked 7 Oct 2026.
MNSTR	The app	Not published We looked and the operator does not publish it Not stated in those words. The FAQ says odds come from “inverse value weighting” over the cards available, and the pack pages show a current list of available cards. Checked 6 Oct 2026.
Rips by Triumph	The app	Move Read on the operator's own page Checked 6 Oct 2026. Open the source
Slabz	The app	Not published We looked and the operator does not publish it Nothing on the pages read says odds change with inventory. Checked 6 Oct 2026.
BOXED.GG	The app	Not published We looked and the operator does not publish it Not stated. The FAQ says a box's price “updates automatically based on the market value of the items”; it does not say the chances change. One box page read carried “175 limited items left”, with no word on what happens to the chances as they run out. Checked 6 Oct 2026.
Stadium Vault	The app	Not published We looked and the operator does not publish it Not stated on the pages read. Checked 6 Oct 2026.
Rip Rush	The app	Move Read on the operator's own page “THE STATISTICS WILL CHANGE IN REAL TIME BASED ON AVAILABLE INVENTORY.” Checked 6 Oct 2026. Open the source
Underdog Rips	Its supplier, Phygitals	Move Read on the operator's own page “These odds can update in real-time as more digital packs are opened.” Checked 6 Oct 2026. Open the source
Fanatics Instant Rips	The app Calls it a repack Read on the operator's own page “Buy an Instant Rips repack in a break, then watch live as it's ripped and your card is revealed.” Checked 7 Oct 2026. Open the source	Move Read on the operator's own page “compared with the total number of cards remaining in the pack and may change as cards are revealed” From the Fanatics Collect help page on Instant Rips. The Pokemon Value table changed between two reads on 6 October 2026. Checked 6 Oct 2026. Open the source
ClutchPacks	The app	Move Read on the operator's own page “subject to change in real time based on available inventory and/or other metrics conducted by the Platform” Checked 6 Oct 2026. Open the source
Beezie	The app	Move Read on the operator's own page “Because items are removed after each pull, the system operates without replacement - each pull affects the composition of the remaining pool and the effective odds of subsequent pulls.” Checked 6 Oct 2026. Open the source
DOPA	The app	Not published We looked and the operator does not publish it Not stated. The help centre describes a pack as a fixed pool (“If there are 3,000 items in the pack, 100 of these items will be boxes”) but does not say whether the percentages change as it empties. Checked 6 Oct 2026.
Packs.com	The app, copying a maker's set Read on the operator's own page “Packs are reverse-engineered versions of the booster packs you already know.” Checked 7 Oct 2026. Open the source	Not published We looked and the operator does not publish it “Because card values move, a pack's price and contents can shift slightly when prices refresh.” Nothing says odds move with stock. Price and contents do move with market prices, which the help centre says refresh “several times a day (roughly every four hours for each game)”. Checked 6 Oct 2026. Open the source
GameStop Power Packs	The app	Not published We looked and the operator does not publish it “These card values are calculated and updated automatically every 5 minutes.” GameStop says the card values behind its ranges refresh every 5 minutes. It does not say whether the chances change as packs are opened. Checked 6 Oct 2026. Open the source
Gemint	The app	Not published We looked and the operator does not publish it Nothing says odds move with inventory. The terms say only that “Pull Rates, Pack contents, and Pack pricing may change at any time, but no change will affect a Pack you have already purchased and opened”. Checked 6 Oct 2026.
Crown Cards	The app	Not published We looked and the operator does not publish it “Any disclosed ranges or odds are provided for the applicable Pack at the time shown.” The terms do not say whether odds move with inventory. Checked 6 Oct 2026. Open the source
ripz.gg	The app, copying a maker's set Read on the operator's own page “all displayed odds are Ripz's own estimates of physical pack odds” Checked 7 Oct 2026. Open the source	Not published We looked and the operator does not publish it Nothing on the pages read says odds change with inventory. Checked 6 Oct 2026.

An app is sorted as a digital repack from our one-line summary of it in the dataset; the exceptions quote the app. “Not published” means no page we read says either way. How to read the odds themselves is in card rip odds explained.

A repack’s odds do not stand still

Where a pack draws from a fixed pool and cards are not put back, each pack opened changes the next one.

An example pool: 100 cards, 5 hits. Not any app's.

5 hits left
55 other cards left
40 opened

Packs already opened 40Hits already pulled 0

Chance the next pack is a hit8.3%

Chance when the pool was full5.0%

With 40 opened and 0 hits gone, the chance on the next pack is higher than the starting figure: 5 in 60.

rated apps say their odds or pool change as packs are opened or stock moves12 of 27

says the pool and odds are fixed once published1 of 27Ripit

do not say either way on the pages we read14 of 27

And a card can come back

“Any item sold back to the platform via the Buyback option is immediately returned to the active item pool and eligible for continued draws by all Repackz players.”

Repackz, help centre, “What is Repackz™?”, read 7 October 2026. Open the page No commission

So a figure on a pack page is true for the next pack, not for the tenth. Each app's wording is one tap away in the table above. To see a published odds table play out, use the pack simulator.

The rules written for physical repacks

Marketplaces publish what a repack seller must do. The rules below are written for sealed products sold on a stream or a listing, not for a pack on a screen.

Whatnot
Listed makers only
A repack can be sold, broken or given away only if its maker is on Whatnot's published list. Getting listed takes a full checklist and may take an outside audit.
“Professionally Sealed Surprise Products not on this List cannot be sold, used in Card Breaks or Surprise Sets, or given away on Whatnot.”
Read 7 October 2026. Open the Professionally Sealed Surprise Products policy
Fanatics Live
Opened on stream, values published
Repacks are allowed if they are opened live and the seller publishes the repack maker's high, low and average value and its checklist.
“You publish all required information from the manufacturer of repacks including high/low, average price and checklist for the serialization of the mystery box/re-pack being offered.”
Read 7 October 2026. Open the seller guidelines No commission
eBay
Pre-approved sellers only
The chance listings policy lets repacks through for sellers eBay has approved. What approval takes was not read.
“Trading card repacks may be sold by pre-approved sellers only”
Not confirmed on a second read: eBay's page did not load for the re-check.Read 7 October 2026. Open the chance listings policy

A statute that describes a repack

California Penal Code § 319.3: the “grab bag”

What it is: “a sealed package”
What is in it: “one or more sports trading cards”
Where they came from: “removed from the manufacturer’s original packaging”
What makes it a lottery under the section: “a chance to win a designated prize or prizes listed by the seller as being contained in one or more, but not all, of the grab bags”

Added by Stats. 1994, Ch. 1074, Sec. 3. Effective January 1, 1995. Read 7 October 2026. Open the section

The section names sports cards and a sealed package. Womble Bond Dickinson writes that “the statute does not appear to reach a manufacturer's original, factory-sealed pack”. That is a law firm's opinion, not a ruling, and nothing here is legal advice. The lawsuits and their status are in are card rip apps legit.

Questions people ask

What is a repack in trading cards?

A pack assembled by someone other than the card maker. The seller takes cards that have already left their factory packs, or buys them as singles, and seals or pools them again. The seller chooses what goes in, so the odds are the seller's.

Is a digital pack a repack?

At 24 of the 27 apps we rate, yes: the pack draws from a pool of single cards that the app or its supplier put together. Repackz, Collector Crypt, and Fanatics Instant Rips use the word for it on the pages we read.

Are slab packs repacks?

By the law firm's definition, yes: the seller chose the graded card inside, and its list of repack formats includes “Graded card mystery packs”. Which rated apps sell them is on slab packs.

Is a repack worse than a sealed pack?

Not by definition. A repack can publish every card and its chance. But the seller sets both the odds and the price, so read them first. A live break of sealed boxes is a third thing: see card rips vs card breaks.

Who uses the word “repack”?

On the pages we read: a law firm, 3 marketplaces and 3 of the 27 rated apps. Repackz carries it in its name.

Sources27

Womble Bond Dickinson, 5 August 2026: trading card repacks face growing legal scrutiny womblebonddickinson.com
California Penal Code § 319.3: sports trading card grab bags leginfo.legislature.ca.gov
Whatnot: Professionally Sealed Surprise Products help.whatnot.com
Fanatics Live: Seller Guidelines support.fanatics.live
eBay: Chance listings policy ebay.com
Upper Deck: e-Pack upperdeckepack.com
Repackz: What is Repackz? collectibles.helpscoutdocs.com
Fanatics Live: Instant Rips fanatics.live
Collector Crypt: products docs.collectorcrypt.com
Packs.com: homepage FAQ packs.com
ripz.gg: disclaimer ripz.gg
rip.fun: docs, how openings work docs.rip.fun
Arena Club: what it says about changing odds arenaclubsupport.zendesk.com
Lastpack: what it says about changing odds support.lastpack.com
Repackz: what it says about changing odds collectibles.helpscoutdocs.com
Courtyard: what it says about changing odds courtyard.io
Ripit: what it says about changing odds docs.ripit.co
RipRip.io: what it says about changing odds riprip.io
rip.fun: what it says about changing odds rip.fun
Rips by Triumph: what it says about changing odds docs.triumpharcade.com
Rip Rush: what it says about changing odds riprush.net
Underdog Rips: what it says about changing odds help.underdogsports.com
Fanatics Instant Rips: what it says about changing odds support.fanaticscollect.com
ClutchPacks: what it says about changing odds clutchpacks.io
Beezie: what it says about changing odds docs.beezie.com
Packs.com: what it says about changing odds help.packs.com
Crown Cards: what it says about changing odds crowncards.io

Alexander Korsager

Every figure was read on public pages between 6 October 2026 and 7 October 2026. Nothing here has been tested with money yet. The quotes on this page were read on 7 October 2026. The pool drawing is arithmetic on an example, not a measurement of any app.