# Drop 10 vs Mermaid Maths

The clearest difference is update cadence: Drop 10 at every 18 months against Mermaid Maths's every 58 months. Drop 10 also leads on ratings volume (21 vs 1) and iOS requirement (11.0 vs 15.6). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Drop 10 against 5.0 for Mermaid Maths. That said, the two scores are not equally well evidenced: Drop 10 has 21 ratings behind it against 1, so its average is the more settled of the two.

Drop 10 ships an update every 18 months, Mermaid Maths every 58 months. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Drop 10 | Mermaid Maths |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (21 ratings)](https://appshunter.io/ios/app/drop-10-math-game/id1368033560/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mermaid-maths/id1567468963/reviews) |
| Number of ratings | **21** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 18 months** | Every 58 months |
| Monetization | Free | Free |
| Size | 70 MB | 39 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sharyn Efimoff](https://appshunter.io/developer/849990918) | [L&L Programming LLC](https://appshunter.io/developer/1289929597) |

## What reviewers say

### Drop 10

[App page](https://appshunter.io/ios/app/drop-10-math-game/id1368033560)

This educational game helps young learners practice addition by focusing on sums that equal 10. It's designed for children in 1st and 2nd grade to build foundational math skills in an engaging way.

**Highlights:** Addition practice, Focus on sums to 10, Designed for 1st and 2nd graders, Engaging gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Mermaid Maths

[App page](https://appshunter.io/ios/app/mermaid-maths/id1567468963)

This educational game helps children practice addition skills in a fun, underwater environment. Players earn treasure by solving math problems, which can then be used to customize their underwater world with new friends and backgrounds.

**Highlights:** Addition practice, Earn treasure rewards, Customize underwater scenes, Unlock new friends, Multiple backgrounds, Interactive gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Drop 10 free?

Drop 10 is free to download, with no in-app purchases.

### Is Mermaid Maths free?

Mermaid Maths is free to download, with no in-app purchases.

### Which has better reviews, Drop 10 or Mermaid Maths?

Drop 10 and Mermaid Maths are both rated 5.0 out of 5 on the App Store, from 21 and 1 ratings respectively.

### Do Drop 10 or Mermaid Maths have ads?

Neither Drop 10 nor Mermaid Maths shows ads.

### Which is updated more often, Drop 10 or Mermaid Maths?

Drop 10 ships an update every 18 months, and Mermaid Maths every 58 months. Most recently, Drop 10 was updated on October 18, 2026 and Mermaid Maths on October 13, 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.*