Mex Train vs Ultimate Sudoku App
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Mex Train
A digital adaptation of the popular family domino game. Compete against three AI opponents, strategically arranging your dominoes to build the best train. Utilize hints to guide your moves and optimize your gameplay.
- Play against three computer opponents
- Drag and arrange dominoes
- Flip dominoes before play
- Build your perfect train
- Get play hints
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Favorite family domino game. Play against three computer opponents. Drag ten dominoes to your home area to start each round. Before play, you can double-tap a domino to flip it around, and arrange your perfect train. Tap the question mark for a play hint (doesn't show, if no play available).
Ultimate Sudoku App
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The ultimate sudoku app Features: - Multiple difficulty levels - Smart hints & notes - Multiple languages - Stopwatch to track your time The integrated SAT solver ensures that each new sudoku is truly random and feels different from the previous one, while at the same time giving the ability to provide sudokus with more than one single solution
Screenshots
Verdict
The clearest difference is update cadence: Ultimate Sudoku App at every 6 days against Mex Train's every 16 months. Mex Train's advantage is iOS requirement (12.4 vs 16.4). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Mex Train ships an update every 16 months, Ultimate Sudoku App every 6 days. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.
| Parameter | Mex Train | Ultimate Sudoku App |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (21 ratings) — better | — |
| Positive reviews | 56.3% of reviews | — |
| Number of ratings | 21 — better | — |
| Update frequency | Every 16 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.4 — better | 16.4 |
| Further details — not scored | ||
| Size | 6 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Phil Stern | Michele Yin |
In-app purchases
Mex Train
No in-app purchases
Ultimate Sudoku App
No in-app purchases
Questions
Is Mex Train free?
Is Ultimate Sudoku App free?
Do Mex Train or Ultimate Sudoku App have ads?
Which is updated more often, Mex Train or Ultimate Sudoku App?
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