Memory Games with Animals vs Billy Box (Stack Attack)
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Memory Games with Animals
Enhance your memory with a fun matching pairs game featuring various card categories like animals, dinosaurs, and fruits. Adjust difficulty levels and enjoy a no-ad experience with sound effects and global leaderboards.
- Matching pairs gameplay
- Multiple card categories
- Adjustable difficulty levels
- Over 270 card images
- No ads
- Sound effects
- Game Center leaderboards
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Test your memory with this matching pairs game. A fun memory game for everyone from kids to adults. Initially, all the memory cards will be turned face down. Select two cards by tapping on them. If the cards do not match, they will be covered up again. Remember what is on the cards so you can find all the matching pairs. You can adjust the game's difficulty by choosing boards of different sizes (3x4, 4x5, or 5x6). CARD CATEGORIES • Animals • Dinosaurs • Insects • Fish • Fruits and Vegetables • Dogs • Letters • Numbers Some of these categories are available through In-App Purchase. MAIN FEATURES • Three levels of difficulty: Easy, Medium and Hard • Over 270 different card images • 8 categories to choose from • Easy-to-use interface • A game suitable for everyone, from kids to adults • No Ads • Sound effects (can be turned on or off) • Game Center Support. Global leaderboards showing most wins • Universal App, full native support for iPhone and iPad
Billy Box (Stack Attack)
Arrange boxes in challenging levels based on a classic 90s puzzle game. Test your skills and spatial reasoning in this engaging experience.
- Box stacking puzzle gameplay
- Multiple difficulty levels
- Inspired by 90s vintage puzzles
- Modernized puzzle mechanics
- Challenging level design
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Billy Box is the modernization of the puzzle vintage 90s. Help Billy to arrange his boxes in various difficulty levels! Send requests, comments and suggestions to: BillyBox.info@gmail.com Thank you!
Screenshots
Verdict
The clearest difference is review sentiment: Memory Games with Animals at 74% against Billy Box (Stack Attack)'s 0%. Billy Box (Stack Attack)'s advantage is update cadence (weekly vs every 4 months) and iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Memory Games with Animals sells 1 one-off in-app purchase and Billy Box (Stack Attack) sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Memory Games with Animals ships an update every 4 months, Billy Box (Stack Attack) weekly. The most recent releases landed on September 29, 2026 and September 19, 2026 respectively.
| Parameter | Memory Games with Animals | Billy Box (Stack Attack) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (25K ratings) — better | — |
| Positive reviews | 74.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 25K — better | — |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Sergio Licea | Alessandro de Sanctis |
Customer experience
Memory Games with Animals
Billy Box (Stack Attack)
Bugs and requests
Memory Games with Animals
Reported bugs
2 issues- Game asks for permissions to access contacts without explanation
- Crashes or freezes on some devices
Requested features
4 requests- Add timer and scoring features
- Unlock more free content
- Improve progress tracking and performance metrics
- Include pictures for older audiences
Billy Box (Stack Attack)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Memory Games with Animals
- Unlock All Images$1.99
Billy Box (Stack Attack)
- Remove Ads$0.99
- Unlimited Lives$0.99
- Unlock all Worlds$0.99
Questions
Is Memory Games with Animals free?
Is Billy Box (Stack Attack) free?
Do Memory Games with Animals or Billy Box (Stack Attack) have ads?
Which is updated more often, Memory Games with Animals or Billy Box (Stack Attack)?
Other comparisons
