# Missing Num vs ガチ2桁九九

The clearest difference is in-app purchases: Missing Num at none against ガチ2桁九九's 1. ガチ2桁九九's advantage is ads (none vs shown) and update cadence (every 2 months vs every 11 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ガチ2桁九九 sells 1 one-off in-app purchase. Missing Num asks for nothing beyond the download.

Missing Num ships an update every 11 months, ガチ2桁九九 every 2 months. The most recent releases landed on October 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Missing Num | ガチ2桁九九 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 8 MB | 24 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### Missing Num

[App page](https://appshunter.io/ios/app/missing-num/id868026877)

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

**In-app purchases:** none


### ガチ2桁九九

[App page](https://appshunter.io/ios/app/2/id6777702804)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム解放 | $2.99 | one-time |


## Frequently asked questions

### Is Missing Num free?

Missing Num is free to download, with no in-app purchases.

### Is ガチ2桁九九 free?

ガチ2桁九九 is free to download, with in-app purchases available.

### Do Missing Num or ガチ2桁九九 have ads?

Missing Num shows ads; ガチ2桁九九 does not.

### Which is updated more often, Missing Num or ガチ2桁九九?

Missing Num ships an update every 11 months, and ガチ2桁九九 every 2 months. Most recently, Missing Num was updated on October 29, 2026 and ガチ2桁九九 on October 14, 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.*