# Tokyo Map Puzzle vs Constant Challenge

The clearest difference is in-app purchases: Tokyo Map Puzzle at none against Constant Challenge's 3. Tokyo Map Puzzle also leads on iOS requirement (13.0 vs 26.0). Constant Challenge's advantage is ads (none vs shown) and update cadence (every 2 days vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Constant Challenge sells 3 one-off in-app purchases. Tokyo Map Puzzle asks for nothing beyond the download.

Tokyo Map Puzzle ships an update every 5 months, Constant Challenge every 2 days. The most recent releases landed on October 18, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Tokyo Map Puzzle | Constant Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/tokyo-map-puzzle/id553382029/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 87.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 16 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Plus Inc. (Japan)](https://appshunter.io/developer/445792061) | [Kaname Inoue](https://appshunter.io/developer/1888387338) |

## What reviewers say

### Tokyo Map Puzzle

[App page](https://appshunter.io/ios/app/tokyo-map-puzzle/id553382029)

Learn the Tokyo map through an engaging jigsaw puzzle experience. This educational game offers various modes to test your knowledge and improve your geography skills. Compete globally, collect panels, and sharpen your mind.

**Highlights:** Jigsaw puzzle map learning, Multiple game modes (training, basic, expert), Global player rankings, Collectible picture panels, Assist function for guidance

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Constant Challenge

[App page](https://appshunter.io/ios/app/constant-challenge/id6761248442)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock the Square Root of 2 (√2) | $0.99 | one-time |
| Unlock the Golden Ratio (φ) | $0.99 | one-time |
| Unlock the Euler–Mascheroni (γ) | $0.99 | one-time |


## Frequently asked questions

### Is Tokyo Map Puzzle free?

Tokyo Map Puzzle is free to download, with no in-app purchases.

### Is Constant Challenge free?

Constant Challenge is free to download, with in-app purchases available.

### Do Tokyo Map Puzzle or Constant Challenge have ads?

Tokyo Map Puzzle shows ads; Constant Challenge does not.

### Which is updated more often, Tokyo Map Puzzle or Constant Challenge?

Tokyo Map Puzzle ships an update every 5 months, and Constant Challenge every 2 days. Most recently, Tokyo Map Puzzle was updated on October 18, 2026 and Constant Challenge on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*