Dot Line vs zenku
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Dot Line
Test your short-term memory with this addictive game. Challenge yourself with various patterns and matrices, utilize combo systems, and track your progress on leaderboards. It's a simple, elegant, and fun way to see how well you can remember.
- Various patterns and matrices
- Combo System
- Continue, Time, and Hint items
- GameCenter Leaderboards
- GameCenter Achievements
- Haptic Feedback
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● TOP 2 IN THE UNITED STATES ● 3M DOWNLOADS ● TOP 25 IN OVER 29 COUNTRIES ● FEATURED ON AppAdvice.com ● FEATURED ON FreeAppMagic.com ● ADDICTIVE SHORT-TERM MEMORY GAME "I found this to be a fascinating and engaging game. Simple, elegant and fun." - AppKahuna.com ***** (4.5 / 5.0) Can you remember well? If you want to check your memory, you have to play the Dot Line !!! ● FEATURES - Various patterns and matrices - Combo System - Continue, Time, and Hint items - GameCenter Leaderboards - GameCenter Achievements - Haptic Feedback ● REQUIREMENTS - iOS 11.0 or later ● SUPPORT E-MAIL : support@sharpapp.com
zenku
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Think about sudoku, but reinvented! This game has just a few simple rules: You have to fill a 4x5 grid with numbers from 1 to 5, ensuring that each row and column won't have duplicates and that the sum of each row’s numbers gives the result on their right side. Also, you must insert all five numbers (1,2,3,4,5) into the two colored sections on the grid. Each puzzle has a unique solution. It's relaxing, but still pretty challenging. If you want to spice up the challenge, play • zenku • in YinYang mode and complete the puzzles within 2 minutes! The first 50 levels are free, with some ads here and there in case you'll ask for a hint (bulb button). You can unlock extra 50 levels and remove ads with a single In-App purchase. Will you complete all the 100 zenku puzzles? _________________________________ Frank Eno (aka XSGames) is an indie game dev from Italy. Find out more at xsgames.co Follow @xsgames_ on both X and Instagram
Screenshots
Verdict
The clearest difference is price: zenku at Free against Dot Line's $0.99. zenku also leads on ads (none vs shown). Dot Line's advantage is chart position (#93 vs unranked) and iOS requirement (11.0 vs 15.0). On update cadence, 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
zenku is free to download; Dot Line costs $0.99 up front. Dot Line sells 4 one-off in-app purchases and zenku sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Dot Line ships an update every 2 months, zenku every 3 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.
| Parameter | Dot Line | zenku |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.1 (1.5K ratings) — better | — |
| Positive reviews | 90.1% of reviews | — |
| Number of ratings | 1.5K — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #93 — better | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 22 MB | 106 MB |
| Age rating | 4+ | 4+ |
| Developer | SharpApp | XSGames |
Bugs and requests
Dot Line
Reported bugs
3 issues- Blank screen on some devices
- Unresponsive touch controls
- Levels reset after failure
Requested features
4 requests- Ability to draw and share with others
- Bonus points or power-ups
- Resume from last level
- Leaderboard or stats tracking
zenku
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Dot Line
- 30 Stars$0.99
- 100 Stars$2.99
- 180 Stars$4.99
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- 400 Stars$9.99
zenku
- Unlock All levels$0.99
- Unlock All levels + Coffee$2.99
- Unlock All levels + Love$6.99
