# Calleva vs Jolly Logic AltimeterThree

The clearest difference is update cadence: Jolly Logic AltimeterThree at every 5 weeks against Calleva's every 56 months. Jolly Logic AltimeterThree also leads on review sentiment (67% vs 40%). Calleva's advantage is rating (5.0 vs 4.6) and iOS requirement (8.0 vs 15.0). On price, ratings volume, 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.

Calleva holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews complicate that: 40% of Calleva's written reviews are positive against 67% of Jolly Logic AltimeterThree's, so the app with the better star average is not the one people write more warmly about.

Calleva ships an update every 56 months, Jolly Logic AltimeterThree every 5 weeks. Both last shipped on November 1, 2026.

## The numbers

| Metric | Calleva | Jolly Logic AltimeterThree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calleva/id838283911/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/jolly-logic-altimeterthree/id924087924/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | 40.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 27 MB | 65 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gill Hunt](https://appshunter.io/developer/838283914) | [Jolly Logic](https://appshunter.io/developer/924087923) |

## What reviewers say

### Calleva

[App page](https://appshunter.io/ios/app/calleva/id838283911)

Explore the Roman town of Calleva Atrebatum through augmented reality. Learn about its history, uncover archaeological findings, and discover hidden details about Roman and Iron Age Britain.

**Highlights:** Explore Roman town walls, Learn about excavations, Discover Roman and Iron Age Britain, See Nero's Bath House, Interactive historical content

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Calleva free?

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

### Is Jolly Logic AltimeterThree free?

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

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

Calleva is rated higher. Calleva averages 5.0 out of 5 from 4 ratings, while Jolly Logic AltimeterThree averages 4.6 from 5 ratings.

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

Neither Calleva nor Jolly Logic AltimeterThree shows ads.

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

Calleva ships an update every 56 months, and Jolly Logic AltimeterThree every 5 weeks. Most recently, Calleva was updated on November 1, 2026 and Jolly Logic AltimeterThree on November 1, 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.*