# 2121 Game vs Kidsage

The clearest difference is in-app purchases: 2121 Game at none against Kidsage's 2. 2121 Game also leads on iOS requirement (13.0 vs 15.0). Kidsage's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Kidsage sells 2 in-app purchases, starting at $4.99 per month. 2121 Game asks for nothing beyond the download.

2121 Game ships an update every 4 months, Kidsage every 2 weeks. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 2121 Game | Kidsage |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 451 MB | 274 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [BeeLabs Ltd](https://appshunter.io/developer/603539026) | [Dark Matter Game Production](https://appshunter.io/developer/1772048591) |

## What reviewers say

### 2121 Game

[App page](https://appshunter.io/ios/app/2121-game/id6474293851)

**In-app purchases:** none


### Kidsage

[App page](https://appshunter.io/ios/app/kidsage-math-learning-app/id6736458717)

This app offers a 3D exploratory adventure for children aged 4-9 to learn math concepts through engaging games. It features personalized learning paths, AI guidance, and robust parental controls for a safe and interactive educational experience.

**Highlights:** 3D exploratory adventure platform, Game-based learning, Safe and child-friendly environment, Parental connection and controls, Personalized learning path, AI-powered learning companion, Gamification features

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $4.99 | per month |
| Yearly Membership | $41.90 | per year |


## Frequently asked questions

### Is 2121 Game free?

2121 Game is free to download, with no in-app purchases.

### Is Kidsage free?

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

### Do 2121 Game or Kidsage have ads?

Neither 2121 Game nor Kidsage shows ads.

### Which is updated more often, 2121 Game or Kidsage?

2121 Game ships an update every 4 months, and Kidsage every 2 weeks. Most recently, 2121 Game was updated on October 9, 2026 and Kidsage on October 5, 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.*