# Happy Differences vs Differences

The clearest difference is iOS requirement: Differences at 13.0 against Happy Differences's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Happy Differences sells 12 one-off in-app purchases and Differences sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Happy Differences ships an update every 5 days, Differences every 9 days. The most recent releases landed on September 30, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Happy Differences | Differences |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (6.4K ratings)](https://appshunter.io/ios/app/happy-differences/id1670817236/reviews)** | — |
| Number of ratings | **6.4K** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 237 MB | 278 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [New Story Inc. (Apps)](https://appshunter.io/developer/1468607831) | [UNIVERSAL MOBILE GAMES TECHNOLOGY CO., LIMITED](https://appshunter.io/developer/1590995708) |

## What reviewers say

### Happy Differences

[App page](https://appshunter.io/ios/app/happy-differences/id1670817236)

Engage in a relaxing picture puzzle game with no time limits. Explore over 100 diverse images, from cosmic scenes to underwater worlds, and train your memory by spotting subtle differences. Utilize helpful hints when you get stuck.

**Highlights:** No time limit, Over 100 pictures, Memory training, Hint button, Diverse image themes

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin 100 | $1.99 | one-time |
| Mini Pack | $1.99 | one-time |
| Beginner's Pack | $3.99 | one-time |
| No AD | $4.99 | one-time |
| Starter Pack | $4.99 | one-time |
| Advanced Pack | $6.99 | one-time |
| Coin 500 | $8.99 | one-time |
| Bronze Pack | $9.99 | one-time |
| Coin 1000 | $12.99 | one-time |
| Gold Pack | $19.99 | one-time |
| Coin 2500 | $23.99 | one-time |
| Coin 10000 | $86.99 | one-time |

**What reviewers like**

- 👍 Keeps the mind active
- 👍 Clear and colorful graphics
- 👍 Fun game to play
- 👍 Enjoyable experience
- 👍 Beautiful

**What reviewers complain about**

- 🔍 Colors too light
- 🕰️ Too easy
- 🛑 Ads in the middle of a level

**Reported bugs**

- Game shuts down before completing a level

**Requested features**

- Add sound
- Improve stability to prevent game shutdowns


### Differences

[App page](https://appshunter.io/ios/app/differences-nightmare-puzzle/id6670474249)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove ads | $7.99 | one-time |


## Frequently asked questions

### Is Happy Differences free?

Happy Differences is free to download, with in-app purchases available.

### Is Differences free?

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

### Do Happy Differences or Differences have ads?

Both Happy Differences and Differences show ads.

### Which is updated more often, Happy Differences or Differences?

Happy Differences ships an update every 5 days, and Differences every 9 days. Most recently, Happy Differences was updated on September 30, 2026 and Differences on September 16, 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.*