# Algodoo vs Backwards Talk

The clearest difference is price: Backwards Talk at Free against Algodoo's $7.99. Backwards Talk also leads on update cadence (every 5 days vs monthly) and device support (3 vs 1). Algodoo's advantage is rating (3.8 vs 2.3) and review sentiment (59% vs 33%). On ads, in-app purchases and monetization model there is nothing between them.

Backwards Talk is free to download; Algodoo costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Algodoo holds the better App Store score, 3.8 against 2.3. That said, the two scores are not equally well evidenced: Algodoo has 878 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 59% of Algodoo's written reviews are positive against 33% of Backwards Talk's.

Algodoo ships an update monthly, Backwards Talk every 5 days. The most recent releases landed on September 24, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | Algodoo | Backwards Talk |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[3.8 (878 ratings)](https://appshunter.io/ios/app/algodoo/id616064935/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/backwards-talk/id6448702592/reviews) |
| Number of ratings | **878** | 3 |
| Positive reviews | **59.1% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free | Free |
| Size | 29 MB | 18 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Algoryx Simulation AB](https://appshunter.io/developer/464050548) | [Sebastian Ekstrom](https://appshunter.io/developer/1436175676) |

## What reviewers say

### Algodoo

[App page](https://appshunter.io/ios/app/algodoo/id616064935)

Design and experiment with realistic 2D physics simulations. Build intricate machines, create virtual science experiments, and explore cause and effect. Share your creations and discover those of others in a vibrant community.

**Highlights:** Create objects with shapes or free-hand drawing, Combine components for intricate machines, Choose and customize materials, Simulate physics with gravity and aerodynamics, Explore ideas through trial and error, Build animations, contraptions, and experiments, Access community-created scenes

**In-app purchases:** none

**What reviewers like**

- 🚀 Great physics simulation
- 👍 Interesting and fun to use
- 💡 Ability to create and share creations
- 🚀 No ads

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🐛 Issues with loading and saving scenes
- 🐛 Textures and images not working properly
- 🐛 Laggy performance with complex scenes

**Reported bugs**

- Scenes resetting to tutorial
- Textures and images not loading properly
- Crashes when trying to import images
- Buttons and controls not working as expected

**Requested features**

- Add text and scripting options on mobile
- Improve mobile UI and controls
- Implement more features from PC version
- Fix issues with account bans and deletions


### Backwards Talk

[App page](https://appshunter.io/ios/app/backwards-talk/id6448702592)

This app reverses typed phrases, allowing you to record yourself speaking them backward. It then plays back your recording forwards, so you can hear how close you were to the original. It's a fun and addictive way to challenge your speaking and listening skills.

**Highlights:** Reverse typed phrases, Record yourself speaking backwards, Hear playback forwards, Challenge friends, Train your ear

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Algodoo free?

Algodoo costs $7.99, with no in-app purchases.

### Is Backwards Talk free?

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

### Which has better reviews, Algodoo or Backwards Talk?

Algodoo is rated higher. Algodoo averages 3.8 out of 5 from 878 ratings, while Backwards Talk averages 2.3 from 3 ratings.

### Do Algodoo or Backwards Talk have ads?

Neither Algodoo nor Backwards Talk shows ads.

### Which is updated more often, Algodoo or Backwards Talk?

Algodoo ships an update monthly, and Backwards Talk every 5 days. Most recently, Algodoo was updated on September 24, 2026 and Backwards Talk on August 9, 2026.

---

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