15 vs Exception;
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
15
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“15-puzzle” is a classic and funny game. It may be also called “Gem Puzzle”, “Boss Puzzle”, “Game of Fifteen”, “Mystic Square”… It is a sliding puzzle which you need to move all the tiles/cards back to their original positions. You can play by yourself, or compete with your friends. The features of this APP: ◎ Support single player mode and two players mode. ◎ Can select cards number ◎ Provide the statistics of your records ◎ Game Center supported
Exception;
Engage in a unique single-player game where you program AI units to overcome challenges and defeat enemies in a virtual world. Strategize and code different unit types to progress through levels and uncover the secrets of a seemingly perfect system.
- AI programming gameplay
- Strategic unit control
- Challenging single-player levels
- Virtual world exploration
- Uncover system secrets
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Exception is a game about AI programming. During the game, the player assists the units to defeat their enemies in the virtual world. However, the player needs to control the units by programming instead of controlling them directly. This is a challenging single-player game. In each level, the player needs to think about the strategy and program the units accordingly. The player needs to program different types of units to beat the level. ************************** In a virtual world where everything operates steadily under an omnipotent system, you will play the role of an operator named 159, who oversees and maintains the system. Nevertheless, there is no perfect system. You find an exception in the program one day. What is stranger is that the program made a request… You will discover the secret underneath this cyber world. ************************** [LEVEL SOLUTION] [WHEN] Success Rate = 100% [DO] Next level :D [WHEN] Success Rate ≠ 100% [DO] Optimize it :3 [/LEVEL SOLUTION] ************************** Contact us：support@kunpo.cc [Code monkeys change the world]
Screenshots
Verdict
The clearest difference is price: 15 at Free against Exception;'s $2.99. Exception;'s advantage is ads (none vs shown) and update cadence (fortnightly vs every 14 months). On 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
15 is free to download; Exception; costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
15 ships an update every 14 months, Exception; fortnightly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.
| Parameter | 15 | Exception; |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | — | 4.8 (2.7K ratings) — better |
| Positive reviews | — | 82.1% of reviews |
| Number of ratings | — | 2.7K — better |
| Update frequency | Every 14 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Best chart rank | — | #196 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 | 8.0 |
| Further details — not scored | ||
| Size | 46 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | Chuanming Chang | Kunpo |
Bugs and requests
15
Not enough reviews yet to summarise bugs or requests.
Exception;
Reported bugs
2 issues- Bots not responding to commands as expected
- Scripting errors when retreating
Requested features
4 requests- Sandbox mode to create custom levels
- Hint system for difficult levels
- Ability to sync progress across devices
- Multiplayer or co-op modes
In-app purchases
15
No in-app purchases
Exception;
No in-app purchases
