Drop 10 vs Rhea
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Drop 10
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.
- Addition practice
- Focus on sums to 10
- Designed for 1st and 2nd graders
- Engaging gameplay
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Drop 10 is a math game that practices summing to 10. Most children start memorizing sums to 10 around 1st grade and 2nd grade.
Rhea
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.
- Narrative history lessons
- Learn in under 10 minutes
- Explore ancient civilizations
- Smart quizzes and spaced repetition
- Track learning progress
- Weekly leaderboard
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Step into the story of civilization with Rhea, the app that makes history unforgettable. Through bite-sized, narrative lessons, Rhea brings the past to life: from the rise of empires to the fall of republics, from legendary figures to pivotal moments that shaped the world. Start with Ancient Rome. In just minutes a day, uncover the decisions, power struggles, and turning points that still echo today. Track your learning, earn XP, and climb the weekly leaderboard — all while building real historical knowledge that stays with you. WHY LEARN HISTORY WITH RHEA STORIES, NOT TEXTBOOKS Each lesson is crafted as a clear, compelling story — no dense timelines or passive facts. LEARN IN UNDER 10 MINUTES Rhea fits into your day. Learn wherever you are, whenever you want. EXPLORE CIVILIZATIONS Discover the drama, ambition, and ideas that shaped the world's greatest societies. REMEMBER WHAT MATTERS Smart quizzes and spaced repetition help you retain and reflect — not just memorize. LEARN WITH PURPOSE Build a habit of historical thinking. Understand the past to make sense of the present. Rhea is built for lifelong learners, curious minds, and anyone who believes that knowing history means seeing the world more clearly. Make history yours to master.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Drop 10 | Rhea |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (21 ratings) — better | 4.8 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 21 — better | 4 |
| Update frequency | Every 18 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.4 |
| Further details — not scored | ||
| Size | 70 MB | 30 MB |
| Age rating | 4+ | 12+ |
| Developer | Sharyn Efimoff | Martin Munilla |
Customer experience
Drop 10
Rhea
In-app purchases
Drop 10
No in-app purchases
Rhea
No in-app purchases









