Let's Stack AR! vs BackSlap
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Let's Stack AR!
Build the tallest tower possible using augmented reality. Place blocks in your environment and see how high you can stack them before they tumble. Compare your creations to real-world objects.
- Augmented reality block stacking
- Build the tallest tower
- Place blocks in real-world environments
- Compare tower height to real objects
- Awarded Apple's Game of the Day
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Help a little duck stack blocks and build the tallest tower in Augmented Reality. See how high you can get without misplacing the blocks! With AR, you now have the ability to place the blocks at the beach, in your living room or backyard! After you're done, you can see how tall your tower is, and compare it to real world objects! Let's Stack AR! was awarded Apple's Game of the Day, and is created by a 10-year old developer Yuma Soerianto, the youngest Apple WWDC17 scholarship winner.
BackSlap
A quirky music rhythm game with simple one-finger controls. Enjoy endless fun with over 80 free songs featuring humorous themes like back slapping and panda karaoke. Tap to the beat and aim for high scores based on your accuracy.
- One-finger controls
- Over 80 free songs
- Quirky themes
- Rhythm-based tapping
- Score ranking based on accuracy
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One Finger Easy, Rhythm Nonstop! Quirky Theme, Endless Fun! "BACK SLAP" is a quirky music rhythm game that features single-finger controls, themed around funny elements like back slapping, panda karaoke, and sea otter shell smashing. With over 80 free songs, it offers players a relaxed and enjoyable gaming experience. In the game, players simply need to tap anywhere on the screen according to the music rhythm. When the music ends, the system will determine the score based on accuracy and provide a ranking.
Screenshots
Verdict
The clearest difference is price: BackSlap at Free against Let's Stack AR!'s $0.99. BackSlap also leads on review sentiment (84% vs 56%) and update cadence (every 10 days vs every 2 months). Let's Stack AR!'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, device support and iOS requirement 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
BackSlap is free to download; Let's Stack AR! costs $0.99 up front. BackSlap sells 1 one-off in-app purchase. Let's Stack AR! asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for Let's Stack AR! against 4.6 for BackSlap. Both are backed by a comparable volume of ratings — 19 and 71 respectively. Written reviews are what separate them: 56% of Let's Stack AR!'s written reviews are positive against 84% of BackSlap's.
Let's Stack AR! ships an update every 2 months, BackSlap every 10 days. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.
| Parameter | Let's Stack AR! | BackSlap |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.5 (19 ratings) | 4.6 (71 ratings) — better |
| Positive reviews | 56.3% of reviews | 84.4% of reviews — better |
| Number of ratings | 19 | 71 — better |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 77 MB | 319 MB |
| Age rating | 4+ | 9+ |
| Developer | Hendri Soerianto | Dotoyou Games |
Customer experience
Let's Stack AR!
BackSlap
Bugs and requests
Let's Stack AR!
Not enough reviews yet to summarise bugs or requests.
BackSlap
Reported bugs
6 issues- Audio failure
- Crashing when trying to watch ads
- Scores not updating after achieving SSS
- No music playing
- Imported songs not playable
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- Audio not working
Requested features
8 requests- More animal series or new songs
- Tasks or events for rewards
- Customizable button skins
- Option for dual-key (left/right)
- More varied melodies and譜面 (charts)
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- Different gameplay mechanics (e.g., slides)
- More challenging譜面 for higher difficulties
- Fix bug with score not updating after SSS
In-app purchases
Let's Stack AR!
No in-app purchases
BackSlap
- Slap Master$7.99
Questions
Is Let's Stack AR! free?
Is BackSlap free?
Which has better reviews, Let's Stack AR! or BackSlap?
Do Let's Stack AR! or BackSlap have ads?
Which is updated more often, Let's Stack AR! or BackSlap?
Other comparisons
