Acrobots vs Chemle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Acrobots
A physics-based toy for iPhone and iPad. Drag and toss living bots, watch them interact, and stack them to create structures. Customize their behavior and environment for endless playful experimentation.
- Drag and toss bots
- Physics-based interactions
- Stack bots to form structures
- Shake to scatter bots
- Customize scale, gravity, balance, speed, and legs
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Acrobots is a mesmerizing, physics-based toy for your iPhone and iPad. - Drag and toss these living bots across the screen. - Watch them tumble and push off each other. - Stack them together to form living structures. - Shake your iPhone to watch the bots scatter. - Customize scale, gravity, balance, stickiness, speed, and number of legs.
Chemle
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Test your knowledge of chemistry with this fun and educational game. You'll have five attempts to guess the secret chemistry formula. Each round, you'll be presented with a series of blank spaces representing a chemical term. Use your knowledge of chemical elements, compounds, and reactions to guess the correct formula. The game will provide helpful hints, such as number of correct letters in your guess. But be careful - just like in chemistry, a wrong guess can lead to disastrous results! Chemle is perfect for anyone looking to expand their chemistry knowledge and enjoy a fun and challenging word game. Download now and start guessing!
Screenshots
Verdict
The clearest difference is price: Chemle at Free against Acrobots's $0.99. Chemle also leads on update cadence (every 2 weeks vs every 5 weeks). Acrobots's advantage is chart position (#172 vs unranked) and iOS requirement (8.0 vs 13.0). On ads, in-app purchases and device support 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
Chemle is free to download; Acrobots costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Acrobots ships an update every 5 weeks, Chemle every 2 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Acrobots | Chemle |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.4 (25 ratings) — better | — |
| Positive reviews | 86.7% of reviews | — |
| Number of ratings | 25 — better | — |
| Update frequency | Every 5 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | #172 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 2 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Vectorpark | Jan Stepien |
Bugs and requests
Acrobots
Reported bugs
3 issues- Acrobots disappearing when device is leveled
- Buttons/controls not always responsive
- Performance issues with many acrobots on screen
Requested features
5 requests- Ability to customize individual acrobots (color, size, etc.)
- More interactive elements (explosives, trampolines, etc.)
- Ability to pause/freeze the simulation
- Additional background options
- Sound effects
Chemle
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Acrobots
No in-app purchases
Chemle
No in-app purchases
