OLogy vs Read Ninja
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OLogy
Explore science through engaging games, videos, and articles developed by museum educators and scientists. Discover topics from paleontology to astronomy with interactive activities.
- Interactive science games
- Educational videos
- Informative articles
- Topics from Archaeology to Zoology
- Developed by museum educators
- Trusted by teachers
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Award-winning science activities for kids from NYC's American Museum of Natural History. Trusted by teachers for more than 20 years, OLogy was developed by Museum educators with some of the world's leading scientists and is now available as an app. There's lots to do! Play games, watch videos, and read articles about all kinds of science, from Archaeology to Zoology: - Discover what a T. rex ate for lunch - Find out how astronomers figure out the distance to faraway stars - Build webs of life under the sea - Join a virtual birding expedition with Theodore Roosevelt - See how ancient Greeks used poison for good and evil - And much more!
Read Ninja
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Welcome to Read Ninja - the fun and engaging way for children to learn reading! Designed for kids ages 3-7, Read Ninja transforms the journey of learning to read into an exciting adventure. FEATURES: - Interactive letter recognition games - Phonics exercises with fun animations - Progressive difficulty levels - Reward system to motivate young learners - Parent dashboard to track progress - Works offline - perfect for travel - No ads or in-app purchases - COPPA compliant and kid-safe Join thousands of families who have made reading fun with Read Ninja!
Screenshots
Verdict
The clearest difference is device support: Read Ninja at 3 against OLogy's 1. OLogy's advantage is iOS requirement (12.0 vs 15.1). On price, 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.
| Parameter | OLogy | Read Ninja |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (25 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 25 — better | — |
| Update frequency | Every 14 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 320 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | American Museum of Natural History | Sergei Terekhov |
In-app purchases
OLogy
No in-app purchases
Read Ninja
No in-app purchases
