# Osmo Stories vs Roybi

The clearest difference is rating: Osmo Stories at 3.8 against Roybi's 2.3. Osmo Stories also leads on in-app purchases (none vs 10) and ratings volume (155 vs 31). Roybi's advantage is update cadence (monthly vs every 2 months) and iOS requirement (11.0 vs 15.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Roybi sells 8 one-off in-app purchases. Osmo Stories asks for nothing beyond the download.

Osmo Stories holds the better App Store score, 3.8 against 2.3. That said, the two scores are not equally well evidenced: Osmo Stories has 155 ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 32% of Osmo Stories's written reviews are positive against 24% of Roybi's.

Osmo Stories ships an update every 2 months, Roybi monthly. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Osmo Stories | Roybi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (155 ratings)](https://appshunter.io/ios/app/osmo-stories/id1439615012/reviews)** | [2.3 (31 ratings)](https://appshunter.io/ios/app/roybi/id1467471417/reviews) |
| Number of ratings | **155** | 31 |
| Positive reviews | **32.0% of reviews** | 24.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 442 MB | 79 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tangible Play](https://appshunter.io/developer/799157444) | [ROYBI INC](https://appshunter.io/developer/1467471416) |

## What reviewers say

### Osmo Stories

[App page](https://appshunter.io/ios/app/osmo-stories/id1439615012)

This app encourages children to use creativity and critical thinking to solve problems by mixing and matching outfits. It provides instant feedback and rewards as kids progress through adventures, fostering problem-solving skills.

**Highlights:** Creative outfit matching, Critical thinking challenges, Problem-solving activities, Instant feedback and rewards, Interactive storytelling adventures

**In-app purchases:** none


### Roybi

[App page](https://appshunter.io/ios/app/roybi/id1467471417)

This AI-powered robot offers personalized educational content for children, featuring over 500 lessons across STEM, stories, and games. It also supports social-emotional learning and can be a supplementary tool for children with speech delays. Parents can monitor progress and manage settings through a companion app.

**Highlights:** Personalized AI-driven lessons, Over 500 lessons and 70,000 words, STEM, stories, games, and songs, Social-emotional learning with emotion detection, Supplementary tool for speech delay, Smart progress reports for parents, Family and privacy settings

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lesson Program | $2.99 | one-time |
| Lesson Program 006 | $2.99 | one-time |
| Lesson Program 007 | $2.99 | one-time |
| Lesson Program 008 | $2.99 | one-time |
| Lesson Program 009 | $2.99 | one-time |
| Lesson Program 012 | $2.99 | one-time |
| Lesson Program 013 | $2.99 | one-time |
| Lesson Program 016 | $2.99 | one-time |


## Frequently asked questions

### Is Osmo Stories free?

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

### Is Roybi free?

Roybi is free to download, with in-app purchases available.

### Which has better reviews, Osmo Stories or Roybi?

Osmo Stories is rated higher. Osmo Stories averages 3.8 out of 5 from 155 ratings, while Roybi averages 2.3 from 31 ratings.

### Do Osmo Stories or Roybi have ads?

Neither Osmo Stories nor Roybi shows ads.

### Which is updated more often, Osmo Stories or Roybi?

Osmo Stories ships an update every 2 months, and Roybi monthly. Most recently, Osmo Stories was updated on November 4, 2026 and Roybi on November 3, 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.*