# +/ vs Spot the Difference Brain Game

The clearest difference is iOS requirement: +/ at 13.0 against Spot the Difference Brain Game's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. +/ sells 7 one-off in-app purchases and Spot the Difference Brain Game sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | +/ | Spot the Difference Brain Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/plus-0-number-puzzle/id1139669462/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 16 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 118 MB | 60 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Greentail, Inc.](https://appshunter.io/developer/1111479312) | [RYOSUKE HIRAMATSU](https://appshunter.io/developer/616750780) |

## What reviewers say

### +/

[App page](https://appshunter.io/ios/app/plus-0-number-puzzle/id1139669462)

A unique brain training puzzle game where you connect number tiles. Tiles of the same color add, while different colors subtract. Master spells and create life-forms using the power of zero to enhance your gameplay.

**Highlights:** Connect same number tiles, Add same color tiles, Subtract different color tiles, Master unique spells, Create life-forms with zero, Brain training puzzle

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flask of Essences | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Cashman | $1.99 | one-time |
| Bottle of Essences | $3.99 | one-time |
| Bucket of Essences | $9.99 | one-time |
| Tank of Essences | $39.99 | one-time |
| Bath of Essences | $79.99 | one-time |


### Spot the Difference Brain Game

[App page](https://appshunter.io/ios/app/spot-the-difference-brain-game/id6794561845)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $3.99 | one-time |


## Frequently asked questions

### Is +/ free?

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

### Is Spot the Difference Brain Game free?

Spot the Difference Brain Game is free to download, with in-app purchases available.

### Do +/ or Spot the Difference Brain Game have ads?

Both +/ and Spot the Difference Brain Game show ads.

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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.*