# Acrobots vs Chemle

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.

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.

## The numbers

| Metric | Acrobots | Chemle |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.4 (25 ratings)](https://appshunter.io/ios/app/acrobots/id322149014/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Best chart rank | **#172** | — |
| Size | 2 MB | 65 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vectorpark](https://appshunter.io/developer/322149017) | [Jan Stepien](https://appshunter.io/developer/1644539739) |

## What reviewers say

### Acrobots

[App page](https://appshunter.io/ios/app/acrobots/id322149014)

**Currently charting:** #172 Top Paid · Entertainment (US App Store)

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.

**Highlights:** Drag and toss bots, Physics-based interactions, Stack bots to form structures, Shake to scatter bots, Customize scale, gravity, balance, speed, and legs

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🎉 Fun and entertaining
- 👍 Mesmerizing and relaxing
- 🤖 Clever and unique physics simulation
- 💻 Great port from the web version
- 🕰 Good time-waster

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔍 Lack of customization options
- 💤 Can get boring after a while
- 💰 Some feel it's not worth the price

**Reported bugs**

- Acrobots disappearing when device is leveled
- Buttons/controls not always responsive
- Performance issues with many acrobots on screen

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/chemle/id6446223004)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Acrobots free?

Acrobots costs $0.99, with no in-app purchases.

### Is Chemle free?

Chemle is free to download, with no in-app purchases.

### Do Acrobots or Chemle have ads?

Neither Acrobots nor Chemle shows ads.

### Which is updated more often, Acrobots or Chemle?

Acrobots ships an update every 5 weeks, and Chemle every 2 weeks. Most recently, Acrobots was updated on November 6, 2026 and Chemle on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*