# Merge! Letters vs NumWord Missing Letters

The clearest difference is in-app purchases: NumWord Missing Letters at none against Merge! Letters's 1. NumWord Missing Letters also leads on ads (none vs shown) and update cadence (every 2 days vs every 5 days). Merge! Letters's advantage is iOS requirement (15.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. Merge! Letters sells 1 one-off in-app purchase. NumWord Missing Letters asks for nothing beyond the download.

Merge! Letters ships an update every 5 days, NumWord Missing Letters every 2 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Merge! Letters | NumWord Missing Letters |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 168 MB | 7 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hot Yeti Studio OU](https://appshunter.io/developer/1643923250) | [LEIGH ANN WALK](https://appshunter.io/developer/1884447231) |

## What reviewers say

### Merge! Letters

[App page](https://appshunter.io/ios/app/merge-letters/id1661535033)

Engage your mind with a daily puzzle game that challenges your alphabet knowledge. Merge letters strategically to achieve specific target letters and test your vocabulary.

**Highlights:** Daily brain exercise, Merge letters to reach targets, Alphabet knowledge testing, Puzzle gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |


### NumWord Missing Letters

[App page](https://appshunter.io/ios/app/numword-missing-letters/id6760552320)

**In-app purchases:** none


## Frequently asked questions

### Is Merge! Letters free?

Merge! Letters is free to download, with in-app purchases available.

### Is NumWord Missing Letters free?

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

### Do Merge! Letters or NumWord Missing Letters have ads?

Merge! Letters shows ads; NumWord Missing Letters does not.

### Which is updated more often, Merge! Letters or NumWord Missing Letters?

Merge! Letters ships an update every 5 days, and NumWord Missing Letters every 2 days. Most recently, Merge! Letters was updated on October 30, 2026 and NumWord Missing Letters 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.*