# Numby vs TraceForge Engineering

The clearest difference is in-app purchases: TraceForge Engineering at none against Numby's 3. TraceForge Engineering also leads on update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Numby sells 3 in-app purchases, starting at $9.99 per month. TraceForge Engineering asks for nothing beyond the download.

Numby ships an update every 3 weeks, TraceForge Engineering every 4 days. The most recent releases landed on August 29, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Numby | TraceForge Engineering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/numby-ai-math-learning-games/id6744437091/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 9 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wellness Technologies](https://appshunter.io/developer/1626239948) | [FIRITA d.o.o.](https://appshunter.io/developer/6796236556) |

## What reviewers say

### Numby

[App page](https://appshunter.io/ios/app/numby-ai-math-learning-games/id6744437091)

This app uses AI to make learning math fun and accessible for children. It offers engaging exercises and adaptive challenges that adjust to a child's skill level, helping them master basic arithmetic and build a strong foundation for future learning.

**Highlights:** AI-driven adaptive learning, Master addition, subtraction, multiplication, division, Gradual immersion from simple to complex, Progress tracking for children and parents, Engaging tasks and rewards, Simple and pleasant interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month math with the Ai-Helper | $9.99 | per month |
| 3 month Math games + AI-Helper | $19.99 | per 3 months |
| Year Math with the Ai-Helper | $49.99 | per year |


### TraceForge Engineering

[App page](https://appshunter.io/ios/app/traceforge-engineering/id6796236554)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Numby free?

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

### Is TraceForge Engineering free?

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

### Do Numby or TraceForge Engineering have ads?

Neither Numby nor TraceForge Engineering shows ads.

### Which is updated more often, Numby or TraceForge Engineering?

Numby ships an update every 3 weeks, and TraceForge Engineering every 4 days. Most recently, Numby was updated on August 29, 2026 and TraceForge Engineering on September 21, 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.*