Zero+ vs Sudoku Express
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Zero+
This is a fun and challenging iOS puzzle game where players combine numbered blocks to create zeros. Swipe blocks to merge them and solve increasingly complex levels. Enjoy a vast number of stages with unique block types.
- Swipe blocks to merge
- Combine positive and negative numbers
- Create all zeros
- 120+ levels
- New block types
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A simple iOS puzzle game that is devilishly fun to play. Just add positive and negative numbered blocks to one another to make all zeros. • Easy to play: swipe blocks left, right, up, or down • Lots to do: 120 levels and counting... • Never the same: new levels bring new kinds of blocks
Sudoku Express
Enjoy a classic Sudoku experience with a clean, minimalist interface designed for focused puzzle-solving. Customize your game with multiple color and font options. Offers over 1,000 unique puzzles across easy, medium, and hard difficulties for extended gameplay.
- Minimalist flat UI design
- Easy noting system
- Multiple color schemes
- Font selection for customization
- 1,001 unique puzzles per difficulty
- Easy, Medium, and Hard difficulty levels
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The classic Sudoku game at its best for iOS! A version for those who just want to solve the puzzles. A minimalist, flat UI design and easy noting allow you to focus on the point of the game, which is solving the puzzles! Multiple color schemes and font selections allow you to customize the experience to your preferences. With 1,001 unique puzzles each for the included Easy, Medium and Hard puzzles, you will be challenged for hours, days and weeks.
Screenshots
Verdict
The clearest difference is review sentiment: Zero+ at 97% against Sudoku Express's 23%. Zero+ also leads on price (Free vs $3.99) and rating (4.8 vs 4.5). On ratings volume, update cadence, ads and in-app purchases 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
Zero+ is free to download; Sudoku Express costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Zero+ holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 177 and 84 respectively. Written reviews point the same way: 97% of Zero+'s written reviews are positive against 23% of Sudoku Express's.
Zero+ ships an update monthly, Sudoku Express every 6 weeks. The most recent releases landed on June 10, 2026 and September 20, 2026 respectively.
| Parameter | Zero+ | Sudoku Express |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 4.8 (177 ratings) — better | 4.5 (84 ratings) |
| Positive reviews | 96.5% of reviews — better | 23.1% of reviews |
| Number of ratings | 177 — better | 84 |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 3 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | SaturnBoy, LLC | Pheinex, LLC |
Customer experience
Zero+
Sudoku Express
Bugs and requests
Zero+
Reported bugs
4 issues- Screen grays out when undoing moves too quickly
- Tiles occasionally unresponsive to input
- App freezes requiring restart
- Background music/podcasts get blocked during gameplay
Requested features
7 requests- More levels or additional puzzle packs
- Hints system for difficult puzzles
- Updated and more modern visual design
- Allow background music while playing
- Skip level feature (some users noted this exists)
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- User-generated challenges or community puzzles
- Higher difficulty levels
Sudoku Express
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Zero+
No in-app purchases
Sudoku Express
No in-app purchases
Questions
Is Zero+ free?
Is Sudoku Express free?
Which has better reviews, Zero+ or Sudoku Express?
Do Zero+ or Sudoku Express have ads?
Which is updated more often, Zero+ or Sudoku Express?
Other comparisons
