Doublets vs Fragment 4
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Doublets
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.
- Word ladder gameplay
- Change one letter at a time
- Valid dictionary words
- Classic word puzzle
- Single-player game
Read full descriptionHide full description
Doublets (also known as word ladder) is a word puzzle game invented by Lewis Carroll where the objective is to turn one dictionary word into another by changing one letter at a time. At each step, one letter may be changed, and the resulting word must be a valid dictionary word. Terms of Service: https://virgilsoftware.com/terms-and-conditions
Fragment 4
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.
- Craft words from word fragments
- Progress through levels by earning points
- Unlock bonuses for completing word sets
- Engaging gameplay
- Entertaining animations
Read full descriptionHide full description
Fragment 4 is a captivating word game where players craft words using fragments of other words. The challenge? It only takes 16 points to progress to the next level, but advancing through the game requires accumulating a specific total of collective points across all available levels. Dig deep in that brain of yours to complete all 5 fragments of length 4, unlocking an incredible 40-point bonus to supercharge your progress! With engaging gameplay and entertaining animations, Quartiles is the perfect blend of strategy and fun for word game enthusiasts. Are you ready to master the art of word fragments and conquer the game? Let the challenge begin!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 September 17, 2026 and August 17, 2026 respectively.
| Parameter | Doublets | Fragment 4 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3 ratings) — better | 4.0 (25 ratings) |
| Positive reviews | — | 40.0% of reviews |
| Number of ratings | 3 | 25 — better |
| Update frequency | Every 9 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 18.1 |
| Further details — not scored | ||
| Size | 11 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas DiZoglio | Brody Roberts |
Customer experience
Doublets
Fragment 4
In-app purchases
Doublets
- Doublets Monthly Subscription$0.991 Month
- Doublets Yearly Subscription$9.991 Year
- Doublets Free DownloadFree
Fragment 4
No in-app purchases
