# Fill In Numbers vs Missing Digits

The clearest difference is in-app purchases: Fill In Numbers at none against Missing Digits's 1. Fill In Numbers also leads on update cadence (every 9 days vs monthly). Missing Digits's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Missing Digits sells 1 one-off in-app purchase. Fill In Numbers asks for nothing beyond the download.

Fill In Numbers ships an update every 9 days, Missing Digits monthly. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Fill In Numbers | Missing Digits |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Monthly |
| Size | 13 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Moinuddin Girach](https://appshunter.io/developer/6794407371) | [torankirite](https://appshunter.io/developer/1883564850) |

## What reviewers say

### Fill In Numbers

[App page](https://appshunter.io/ios/app/fill-in-numbers/id6794407369)

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

**In-app purchases:** none


### Missing Digits

[App page](https://appshunter.io/ios/app/missing-digits-math-puzzle/id6799607537)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is Fill In Numbers free?

Fill In Numbers is free to download, with no in-app purchases.

### Is Missing Digits free?

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

### Do Fill In Numbers or Missing Digits have ads?

Fill In Numbers shows ads; Missing Digits does not.

### Which is updated more often, Fill In Numbers or Missing Digits?

Fill In Numbers ships an update every 9 days, and Missing Digits monthly. Most recently, Fill In Numbers was updated on October 9, 2026 and Missing Digits on October 25, 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.*