# Doublets vs Fragment 4

The clearest difference is in-app purchases: Fragment 4 at none against Doublets's 3. Fragment 4 also leads on update cadence (weekly vs every 9 months) and ratings volume (25 vs 3). Doublets's advantage is rating (4.3 vs 4.0). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Doublets sells 3 in-app purchases, starting at $0.99 per month. Fragment 4 asks for nothing beyond the download.

Doublets holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: Fragment 4 has 25 ratings behind it against 3, so its average is the more settled of the two.

Doublets ships an update every 9 months, Fragment 4 weekly. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Doublets | Fragment 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/doublets/id6737807177/reviews)** | [4.0 (25 ratings)](https://appshunter.io/ios/app/fragment-4/id6739433755/reviews) |
| Number of ratings | 3 | **25** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Freemium | **Free** |
| Size | 11 MB | 5 MB |
| Requires iOS | **17.0** | 18.1 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thomas DiZoglio](https://appshunter.io/developer/1672699438) | [Brody Roberts](https://appshunter.io/developer/1769655221) |

## What reviewers say

### Doublets

[App page](https://appshunter.io/ios/app/doublets/id6737807177)

A word puzzle game where you transform one word into another by changing one letter at a time. Each step must result in a valid dictionary word, following the rules of the classic word ladder game.

**Highlights:** Word ladder gameplay, Change one letter at a time, Valid dictionary words, Classic word puzzle, Single-player game

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Doublets Monthly Subscription | $0.99 | per month |
| Doublets Yearly Subscription | $9.99 | per year |
| Doublets Free Download | Free | one-time |


### Fragment 4

[App page](https://appshunter.io/ios/app/fragment-4/id6739433755)

A word game where you create words from fragments of others. Progress by earning points, with bonuses for completing word sets. Offers engaging gameplay and animations for word game fans.

**Highlights:** Craft words from word fragments, Progress through levels by earning points, Unlock bonuses for completing word sets, Engaging gameplay, Entertaining animations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Doublets free?

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

### Is Fragment 4 free?

Fragment 4 is free to download, with no in-app purchases.

### Which has better reviews, Doublets or Fragment 4?

Doublets is rated higher. Doublets averages 4.3 out of 5 from 3 ratings, while Fragment 4 averages 4.0 from 25 ratings.

### Do Doublets or Fragment 4 have ads?

Neither Doublets nor Fragment 4 shows ads.

### Which is updated more often, Doublets or Fragment 4?

Doublets ships an update every 9 months, and Fragment 4 weekly. Most recently, Doublets was updated on October 21, 2026 and Fragment 4 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.*