# Number Formation vs Alphabuddy

The clearest difference is in-app purchases: Number Formation at none against Alphabuddy's 1. Number Formation also leads on iOS requirement (11.0 vs 13.0). Alphabuddy's advantage is update cadence (every 10 days vs every 36 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Alphabuddy sells 1 one-off in-app purchase. Number Formation asks for nothing beyond the download.

Number Formation ships an update every 36 months, Alphabuddy every 10 days. Both last shipped on October 9, 2026.

## The numbers

| Metric | Number Formation | Alphabuddy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 10 days** |
| Size | 13 MB | 66 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yellow Door Ltd](https://appshunter.io/developer/992076525) | [Bababoon Games BV](https://appshunter.io/developer/1607864536) |

## What reviewers say

### Number Formation

[App page](https://appshunter.io/ios/app/number-formation-us/id1292615040)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alphabuddy

[App page](https://appshunter.io/ios/app/alphabuddy/id1607864534)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| F-Z Letters | $2.99 | one-time |


## Frequently asked questions

### Is Number Formation free?

Number Formation is free to download, with no in-app purchases.

### Is Alphabuddy free?

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

### Do Number Formation or Alphabuddy have ads?

Neither Number Formation nor Alphabuddy shows ads.

### Which is updated more often, Number Formation or Alphabuddy?

Number Formation ships an update every 36 months, and Alphabuddy every 10 days. Most recently, Number Formation was updated on October 9, 2026 and Alphabuddy on October 9, 2026.

---

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