# Drop 10 vs Rhea

The clearest difference is update cadence: Rhea at every 2 months against Drop 10's every 18 months. Drop 10's advantage is rating (5.0 vs 4.8) and ratings volume (21 vs 4). On price, review sentiment, 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.

Drop 10 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Drop 10 has 21 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Drop 10 ships an update every 18 months, Rhea every 2 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Drop 10 | Rhea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (21 ratings)](https://appshunter.io/ios/app/drop-10-math-game/id1368033560/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/rhea-learn-history/id6745319924/reviews) |
| Number of ratings | **21** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 70 MB | 30 MB |
| Requires iOS | **11.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Sharyn Efimoff](https://appshunter.io/developer/849990918) | [Martin Munilla](https://appshunter.io/developer/1811769423) |

## 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


### Rhea

[App page](https://appshunter.io/ios/app/rhea-learn-history/id6745319924)

Engage with history through captivating, bite-sized stories instead of dry textbooks. Learn about civilizations and pivotal moments in under 10 minutes a day, track progress, and retain knowledge with smart quizzes.

**Highlights:** Narrative history lessons, Learn in under 10 minutes, Explore ancient civilizations, Smart quizzes and spaced repetition, Track learning progress, Weekly leaderboard

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

**In-app purchases:** none


## Frequently asked questions

### Is Drop 10 free?

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

### Is Rhea free?

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

### Which has better reviews, Drop 10 or Rhea?

Drop 10 is rated higher. Drop 10 averages 5.0 out of 5 from 21 ratings, while Rhea averages 4.8 from 4 ratings.

### Do Drop 10 or Rhea have ads?

Neither Drop 10 nor Rhea shows ads.

### Which is updated more often, Drop 10 or Rhea?

Drop 10 ships an update every 18 months, and Rhea every 2 months. Most recently, Drop 10 was updated on November 2, 2026 and Rhea on November 5, 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.*