# Science Libs vs Number Bots

The clearest difference is update cadence: Number Bots at every 3 days against Science Libs's every 9 days. Science Libs's advantage is iOS requirement (13.4 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Science Libs sells 4 one-off in-app purchases and Number Bots sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Science Libs ships an update every 9 days, Number Bots every 3 days. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Science Libs | Number Bots |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/science-libs/id6748157618/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 46 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aaran Solh](https://appshunter.io/developer/1731393478) | [Smart Fox ApS](https://appshunter.io/developer/1842059441) |

## What reviewers say

### Science Libs

[App page](https://appshunter.io/ios/app/science-libs/id6748157618)

This app makes learning science fun for kids aged 6-12 through Mad Libs-style stories. Children fill in blanks to create hilarious tales, then read engaging articles explaining the real science. It encourages vocabulary, creativity, and curiosity in a safe, ad-free environment.

**Highlights:** Mad Libs-style science stories, Vocabulary and creativity building, Engaging science articles, Reflective questions for discussion, Kid-friendly design, Optional social sharing with parental controls, Ad-free environment

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase all Science Libs | $2.99 | one-time |
| Workbook download | $2.99 | one-time |
| Category Purchase | $4.99 | one-time |
| Purchase Four Categories | $9.99 | one-time |


### Number Bots

[App page](https://appshunter.io/ios/app/number-bots-memory-games/id6761431236)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all bots | $2.99 | one-time |


## Frequently asked questions

### Is Science Libs free?

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

### Is Number Bots free?

Number Bots is free to download, with in-app purchases available.

### Do Science Libs or Number Bots have ads?

Neither Science Libs nor Number Bots shows ads.

### Which is updated more often, Science Libs or Number Bots?

Science Libs ships an update every 9 days, and Number Bots every 3 days. Most recently, Science Libs was updated on September 18, 2026 and Number Bots on September 23, 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.*