# Jolly Logic AltimeterThree vs RioLearn

The clearest difference is rating: Jolly Logic AltimeterThree at 4.6 against RioLearn's 2.0. Jolly Logic AltimeterThree also leads on review sentiment (67% vs 25%). RioLearn's advantage is update cadence (every 2 weeks vs every 5 weeks) and ratings volume (50 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Jolly Logic AltimeterThree holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: RioLearn has 50 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 67% of Jolly Logic AltimeterThree's written reviews are positive against 25% of RioLearn's.

Jolly Logic AltimeterThree ships an update every 5 weeks, RioLearn every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Jolly Logic AltimeterThree | RioLearn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/jolly-logic-altimeterthree/id924087924/reviews)** | [2.0 (50 ratings)](https://appshunter.io/ios/app/riolearn/id1473003067/reviews) |
| Number of ratings | 5 | **50** |
| Positive reviews | **66.7% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 65 MB | 58 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jolly Logic](https://appshunter.io/developer/924087923) | [Maricopa County Community College District](https://appshunter.io/developer/588001668) |

## What reviewers say

### Jolly Logic AltimeterThree

[App page](https://appshunter.io/ios/app/jolly-logic-altimeterthree/id924087924)

This companion app wirelessly connects to a physical altimeter device to record and analyze flight data for various flying objects. Visualize altitude and acceleration with interactive graphs, share your flight statistics, and export data for in-depth analysis.

**Highlights:** Wireless Bluetooth connection, Real-time battery and status display, Altitude and acceleration recording, Interactive flight data graphs, Data export for analysis, Social media sharing of flight stats

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

**In-app purchases:** none


### RioLearn

[App page](https://appshunter.io/ios/app/riolearn/id1473003067)

Access your Rio Salado College courses with greater flexibility. Learn on your schedule, anytime and anywhere, bringing the convenience of college to your mobile device.

**Highlights:** Mobile access to college courses, Flexible learning schedule, Learn anytime, anywhere, On-the-go education

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Jolly Logic AltimeterThree free?

Jolly Logic AltimeterThree is free to download, with no in-app purchases.

### Is RioLearn free?

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

### Which has better reviews, Jolly Logic AltimeterThree or RioLearn?

Jolly Logic AltimeterThree is rated higher. Jolly Logic AltimeterThree averages 4.6 out of 5 from 5 ratings, while RioLearn averages 2.0 from 50 ratings.

### Do Jolly Logic AltimeterThree or RioLearn have ads?

Neither Jolly Logic AltimeterThree nor RioLearn shows ads.

### Which is updated more often, Jolly Logic AltimeterThree or RioLearn?

Jolly Logic AltimeterThree ships an update every 5 weeks, and RioLearn every 2 weeks. Most recently, Jolly Logic AltimeterThree was updated on October 24, 2026 and RioLearn on October 24, 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.*