SuDoKuExt vs Rummi Countdown Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SuDoKuExt
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Each Sudoku has a unique solution that can be reached logically without guessing. Enter digits from 1 to 9 into the blank spaces. Every row must contain one of each digit. So must every column, as must every 3x3 square. You can also play with imagess instead of numbers. The rules remain the same. Take your time and enjoy !
Rummi Countdown Timer
A simple countdown timer designed for board games like Rummikub. It features large, easy-to-read displays, customizable player configurations, and audible warnings as time expires. The timer resets with a single tap, making game management seamless.
- Large countdown display
- Tap to reset
- Warning sounds
- Configurable for players
- Player seating configuration
- No player name entry needed
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Countdown timer to be used with games such as Rummikub: - Large countdown timer - Tap anywhere to reset timer - Warning sounds as time is running out - Easily configurable for number of players - Easily configurable for players' seating positions - No need to enter player names as timer rotates for each player
Screenshots
Verdict
The clearest difference is price: Rummi Countdown Timer at Free against SuDoKuExt's $0.99. Rummi Countdown Timer also leads on update cadence (every 3 weeks vs every 30 months). On ads, in-app purchases, 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
Rummi Countdown Timer is free to download; SuDoKuExt costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SuDoKuExt ships an update every 30 months, Rummi Countdown Timer every 3 weeks. The most recent releases landed on July 16, 2026 and October 3, 2026 respectively.
| Parameter | SuDoKuExt | Rummi Countdown Timer |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 4.8 (10 ratings) — better |
| Positive reviews | — | 83.3% of reviews |
| Number of ratings | — | 10 — better |
| Update frequency | Every 30 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 34 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | NMS Narcisse Mavoha Solutions Sarl | Colin Blake |
In-app purchases
SuDoKuExt
No in-app purchases
Rummi Countdown Timer
No in-app purchases
