# 数学口算大师 vs Spot the Differences

The clearest difference is ads: 数学口算大师 at none against Spot the Differences's shown. 数学口算大师 also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (8.0 vs 15.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. 数学口算大师 sells 6 one-off in-app purchases and Spot the Differences sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

数学口算大师 ships an update fortnightly, Spot the Differences every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 数学口算大师 | Spot the Differences |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/spot-the-differences-find-it/id6754019329/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 135 MB | 149 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [政 王](https://appshunter.io/developer/962633214) | [RV AppStudios LLC](https://appshunter.io/developer/340181308) |

## What reviewers say

### 数学口算大师

[App page](https://appshunter.io/ios/app/id1297107077)

Practice mental math skills with this game-based application. Improve accuracy and speed in addition, subtraction, multiplication, and division through progressive challenges. Aim for mastery and see how you rank globally.

**Highlights:** Mental math practice, Addition, subtraction, multiplication, division, Game-based learning, Progressive difficulty, Global ranking, Accuracy and speed improvement

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 good coins | $0.99 | one-time |
| 200 gold coins | $2.99 | one-time |
| 200 gold coins | $4.99 | one-time |
| 850 gold coins | $9.99 | one-time |
| 1700 gold coins | $19.99 | one-time |
| 4600 gold coins | $49.99 | one-time |


### Spot the Differences

[App page](https://appshunter.io/ios/app/spot-the-differences-find-it/id6754019329)

Engage your observation skills with a relaxing puzzle game featuring beautiful scenes and hidden differences. Challenge your mind with hundreds of levels, zoom in on details, and enjoy a calming mental workout suitable for all ages.

**Highlights:** Hundreds of beautiful levels, Relaxing gameplay with background music, Brain challenging puzzles, Zoom and hint features, HD graphics and vibrant images, Daily challenges

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack of Coins | $0.99 | one-time |
| Festival Sale: Celebration Time | $1.99 | one-time |
| Festival Sale: Festive Deals | $2.99 | one-time |
| Festival Sale: Joyful Offers | $4.99 | one-time |
| Piles of Coins | $4.99 | one-time |
| Remove Ads Bundle | $7.99 | one-time |
| Festival Sale: Festive Fun | $9.99 | one-time |
| Festival Sale: Holiday Treats | $19.99 | one-time |
| Festival Sale: Festive Savings | $24.99 | one-time |
| Festival Sale: Party Deals | $49.99 | one-time |


## Frequently asked questions

### Is 数学口算大师 free?

数学口算大师 is free to download, with in-app purchases available.

### Is Spot the Differences free?

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

### Do 数学口算大师 or Spot the Differences have ads?

Spot the Differences shows ads; 数学口算大师 does not.

### Which is updated more often, 数学口算大师 or Spot the Differences?

数学口算大师 ships an update fortnightly, and Spot the Differences every 3 months. Most recently, 数学口算大师 was updated on November 3, 2026 and Spot the Differences on October 30, 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.*