# Science Tools vs Encode Keyboard

The clearest difference is in-app purchases: Encode Keyboard at none against Science Tools's 1. Encode Keyboard also leads on update cadence (fortnightly vs every 5 weeks). Science Tools's advantage is iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Science Tools sells 1 one-off in-app purchase. Encode Keyboard asks for nothing beyond the download.

Science Tools ships an update every 5 weeks, Encode Keyboard fortnightly. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Science Tools | Encode Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/science-tools/id6758347553/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 10 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [丽东 陈](https://appshunter.io/developer/439223469) | [Dat Thanh Nguyen](https://appshunter.io/developer/1481241176) |

## What reviewers say

### Science Tools

[App page](https://appshunter.io/ios/app/science-tools/id6758347553)

Explore interactive science experiments with hands-on controls and instant visuals. Ideal for students and teachers, it covers topics like optics and orbital mechanics. An optional Pro upgrade unlocks all features and future content.

**Highlights:** Interactive science experiments, Hands-on controls, Instant visual feedback, Offline functionality, Classroom demonstration tool, Self-study resource

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| be_pro | $2.99 | one-time |


### Encode Keyboard

[App page](https://appshunter.io/ios/app/encode-keyboard/id6762639179)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Science Tools free?

Science Tools is free to download, with in-app purchases available.

### Is Encode Keyboard free?

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

### Do Science Tools or Encode Keyboard have ads?

Neither Science Tools nor Encode Keyboard shows ads.

### Which is updated more often, Science Tools or Encode Keyboard?

Science Tools ships an update every 5 weeks, and Encode Keyboard fortnightly. Most recently, Science Tools was updated on October 24, 2026 and Encode Keyboard on October 12, 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.*