App Store
Version 1.2.1 · 2026-10-20
Penny's 21 now supports iPhone Duo... Sorry for the animation bug in the reel spinning, fixed ;)
Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.
Not yet tested.
The store currently lists version 1.2.1, updated 2026-10-20.




Store screenshots supplied by the developer.
Spin the reels. Lock a card. Build the perfect 21. Push your luck for bigger wins, but go one over and the hand is gone.
NO ADS. NO IN-APP PURCHASES.
Penny’s 21 is pure arcade fun. Credits are your score, nothing more. There’s no real money, no credits to buy, and no ads. Run out of credits and Penny tops you back up so you can keep playing.
HOW TO PLAY
• Choose your wager, then spin all five reels. Every reel lands on a playing card. Lock one card to keep it, then re-spin the rest as you build toward exactly 21.
• You have up to five spins to create the perfect hand. Stop early and play it safe, or keep spinning for higher payouts. Every decision matters.
COLLECT THE SET
Every winning 21 helps complete Penny’s four collectible challenge cards:…
From the developer’s store description.
For developers and the curious
The evidence, sources, measurements and versions behind every label above.
No review analysis published for this app.
“Not assessed” means we could not measure it. It is never a zero and never a pass.
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.
Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
Not yet tested. No analysis has been run for this app, so there is no version or date to report.
Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.
Penny's 21 now supports iPhone Duo... Sorry for the animation bug in the reel spinning, fixed ;)
penny-s-21What the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.
No itemized purchase list is available for this listing.
Not yet tested. No analysis has been published for this app, so there is no method to describe for it yet. A missing label is not a clean bill of health: it means nothing has been read, not that nothing is wrong.
Write to [email protected], or use the form. Name the finding, the app version and the evidence that needs correcting. Factual corrections are free and never depend on buying anything.