# What Is Missing vs Word Gaps

The clearest difference is ads: Word Gaps at none against What Is Missing's shown. What Is Missing's advantage is update cadence (monthly vs every 15 months) and iOS requirement (11.0 vs 13.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

What Is Missing ships an update monthly, Word Gaps every 15 months. The most recent releases landed on September 26, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | What Is Missing | Word Gaps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.1 (11 ratings)](https://appshunter.io/ios/app/what-is-missing/id1614264388/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 15 months |
| Monetization | Ad-supported | — |
| Size | 142 MB | 96 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MIDPOLY OYUN YAZILIM TASARIM DANISMANLIK HIZMETLERI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1465253591) | [Hieu Hoang](https://appshunter.io/developer/1108291419) |

## What reviewers say

### What Is Missing

[App page](https://appshunter.io/ios/app/what-is-missing/id1614264388)

This is a word-guessing game where players must identify missing letters to complete words. It offers a simple yet engaging challenge for vocabulary and spelling practice. The game is free to play and available on iOS devices.

**Highlights:** Word guessing gameplay, Identify missing letters, Complete words, Vocabulary practice, Spelling challenge

**Features:** macOS Compatibility

**In-app purchases:** none


### Word Gaps

[App page](https://appshunter.io/ios/app/word-gaps/id6459739676)

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

**In-app purchases:** none


## Frequently asked questions

### Is What Is Missing free?

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

### Is Word Gaps free?

Word Gaps is free to download, with no in-app purchases.

### Do What Is Missing or Word Gaps have ads?

What Is Missing shows ads; Word Gaps does not.

### Which is updated more often, What Is Missing or Word Gaps?

What Is Missing ships an update monthly, and Word Gaps every 15 months. Most recently, What Is Missing was updated on September 26, 2026 and Word Gaps on October 7, 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.*