Numbertopia vs Synthesis24
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Numbertopia
This educational game challenges players to use arithmetic operations on a set of cards to reach a target number. It features both pre-set levels and randomly generated puzzles, encouraging strategic thinking and advanced math skills.
- Reach target numbers with arithmetic operations
- Level-based puzzles with unlockable stages
- Randomly generated puzzles
- Multiple solutions for puzzles
- Star rewards for progress and solutions
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Numbertopia is a variation for the classic math game "24 Game". In the "24 Game", players manipulate 4 playing cards to achieve a result of 24 by using addition, subtraction, multiplication and division. In Numbertopia, players have to manipulate 4 or 5 cards to achieve a random number. It requires more complicated strategies and advanced arithmetic skills. There are 2 kinds of puzzles in Numbertopia: the Level Puzzles and the Random Puzzles. The Level Puzzles contain 100 stored puzzles. At the start, most levels are locked, and players solve the puzzle from level 1 to gain yellow stars. By gaining more yellow stars, more levels can be unlocked. The Random Puzzles are generated by computer at real time. There can be more than one solutions for each puzzle, and players will gain a red star if find any solution without viewing the answer. Enjoy your challenge!
Synthesis24
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"Synthesis 24" is a puzzle game based on mathematical logic. The specified numbers and operation symbols are formed into 3 formulas, so that the final answer is 24. There are hundreds of cleverly designed level modes and an endless mode with countless levels, waiting for you to challenge! Come and exercise your mathematical thinking Game Features: 1. Through the use of numbers and symbols, make the specified number calculate 24, exercise brain thinking. 2. Make the game more interesting by dragging. 3. Hundreds of cleverly designed levels that are extremely challenging. 4. Endless mode with countless levels to meet your needs to pass the time and exercise mathematical thinking. 5. Free forever. 6. Continue to update more levels and gameplay. Our games can exercise people's mathematical thinking ability, including oral and mental arithmetic, can develop intelligence, improve independent thinking ability and logical thinking. Simple numbers, including endless thinking and careful logic, and the fun of solving problems can all be reflected in our game. Come and try and experience the charm of numbers!
Screenshots
Verdict
The clearest difference is iOS requirement: Numbertopia at 13.5 against Synthesis24's 15.0. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Numbertopia ships an update every 5 months, Synthesis24 every 3 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.
| Parameter | Numbertopia | Synthesis24 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.5 — better | 15.0 |
| Further details — not scored | ||
| Size | 11 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Beijing Tabledox Technology Co., Limited | 杰超 杨 |
In-app purchases
Numbertopia
No in-app purchases
Synthesis24
No in-app purchases
Questions
Is Numbertopia free?
Is Synthesis24 free?
Do Numbertopia or Synthesis24 have ads?
Which is updated more often, Numbertopia or Synthesis24?
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