# Altimeter+ vs SkyTimer

The clearest difference is price: SkyTimer at Free against Altimeter+'s $1.99. SkyTimer also leads on update cadence (fortnightly vs every 2 months). Altimeter+'s advantage is rating (4.5 vs 4.0) and in-app purchases (none vs 2). On ads and device support there is nothing between them.

SkyTimer is free to download; Altimeter+ costs $1.99 up front. SkyTimer sells 2 in-app purchases, starting at $2.49 per month. Altimeter+ asks for nothing beyond the download.

Altimeter+ holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Altimeter+ has 700 ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 75% of Altimeter+'s written reviews are positive against 54% of SkyTimer's.

Altimeter+ ships an update every 2 months, SkyTimer fortnightly. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Altimeter+ | SkyTimer |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.5 (700 ratings)](https://appshunter.io/ios/app/altimeter-plus/id417204570/reviews)** | [4.0 (22 ratings)](https://appshunter.io/ios/app/skytimer/id1521776101/reviews) |
| Number of ratings | **700** | 22 |
| Positive reviews | **74.9% of reviews** | 53.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Best chart rank | **#23** | — |
| Size | 45 MB | 149 MB |
| Requires iOS | **11.1** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Sichtwerk AG](https://appshunter.io/developer/410851296) | [Framework Learning, LLC](https://appshunter.io/developer/1435740981) |

## What reviewers say

### Altimeter+

[App page](https://appshunter.io/ios/app/altimeter-plus/id417204570)

**Currently charting:** #23 Top Paid · Navigation (US App Store)

This app measures your current altitude using GPS, ASTER data, or your device's barometer. It offers an integrated map with peak data, a compass, and distance grids, functioning even without active GPS.

**Highlights:** GPS, ASTER, and barometer altitude measurement, Average altitude calculation, Integral map with peak indicator, Compass and distance grid, Apple Watch support, Works without active GPS

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Accurate and reliable
- 🗺️ Useful map and GPS features
- 💡 Helpful for hiking, flying, and various activities
- 🔍 Precise altitude readings
- 🔨 Simple and easy to use

**What reviewers complain about**

- 🐛 Calibration issues on Apple Watch
- 🔋 High battery consumption on Apple Watch
- 🌞 Difficult to read in bright sunlight
- 🤖 Compatibility issues with newer iOS versions

**Reported bugs**

- App crashes when trying to calibrate or access settings
- Altimeter readings are inaccurate or inconsistent
- App not working on certain devices or iOS versions

**Requested features**

- Add option to display altitude in feet or meters
- Implement automatic calibration using GPS
- Add complication support for Apple Watch
- Provide above ground level (AGL) altitude reading


### SkyTimer

[App page](https://appshunter.io/ios/app/skytimer/id1521776101)

This app automatically logs flights, tracks fuel burn, and manages tank levels in real-time from your wrist, phone, or iPad. It provides detailed flight logs and can export data, acting as a cockpit companion for pilots.

**Highlights:** Automatic flight logging, Real-time fuel tracking, Multi-tank and engine support, Worldwide airport database, Smart fuel balancing, Detailed flight logs, Cross-device sync

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plus Subscription | $2.49 | per month |
| Annual Plus Subscription | $17.99 | per year |


## Frequently asked questions

### Is Altimeter+ free?

Altimeter+ costs $1.99, with no in-app purchases.

### Is SkyTimer free?

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

### Which has better reviews, Altimeter+ or SkyTimer?

Altimeter+ is rated higher. Altimeter+ averages 4.5 out of 5 from 700 ratings, while SkyTimer averages 4.0 from 22 ratings.

### Do Altimeter+ or SkyTimer have ads?

Neither Altimeter+ nor SkyTimer shows ads.

### Which is updated more often, Altimeter+ or SkyTimer?

Altimeter+ ships an update every 2 months, and SkyTimer fortnightly. Most recently, Altimeter+ was updated on September 23, 2026 and SkyTimer on September 20, 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.*