# Altimeter GPS+ (Speedometer) vs Heightmark

The clearest difference is rating: Heightmark at 5.0 against Altimeter GPS+ (Speedometer)'s 1.0. Heightmark also leads on update cadence (fortnightly vs monthly). Altimeter GPS+ (Speedometer)'s advantage is iOS requirement (15.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Altimeter GPS+ (Speedometer) sells 2 one-off in-app purchases and Heightmark sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Heightmark holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Altimeter GPS+ (Speedometer) ships an update monthly, Heightmark fortnightly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Altimeter GPS+ (Speedometer) | Heightmark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/altimeter-gps-plus-speedometer/id777238099/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/heightmark-elevation-atlas/id6783654817/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 36.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tigran Mkhitaryan](https://appshunter.io/developer/602761285) | [帆 杨](https://appshunter.io/developer/1896768424) |

## What reviewers say

### Altimeter GPS+ (Speedometer)

[App page](https://appshunter.io/ios/app/altimeter-gps-plus-speedometer/id777238099)

Track your elevation, speed, and location with this GPS-enabled tool. Share your current map location via SMS or email, and view your journey on various map modes. Features include unit settings, calibration, and a real-time compass.

**Highlights:** Elevation tracking, Speedometer (mph/kmh), Location sharing via SMS/email, Map integration (satellite, hybrid, standard), Real-time compass, Unit settings (imperial/metric)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |
| Get Pro | $3.99 | one-time |


### Heightmark

[App page](https://appshunter.io/ios/app/heightmark-elevation-atlas/id6783654817)

Record and journal your elevation at specific locations with optional photos and notes. Organize your private collection of highs, lows, and cities on a vertical scale. Export your data and share custom elevation cards.

**Highlights:** Record elevation and coordinates, Add optional photos and notes, Organize marks by elevation or date, View elevation panorama, Create custom elevation cards, Offline recording and browsing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heightmark Pro | $4.99 | one-time |


## Frequently asked questions

### Is Altimeter GPS+ (Speedometer) free?

Altimeter GPS+ (Speedometer) is free to download, with in-app purchases available.

### Is Heightmark free?

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

### Which has better reviews, Altimeter GPS+ (Speedometer) or Heightmark?

Heightmark is rated higher. Altimeter GPS+ (Speedometer) averages 1.0 out of 5 from 2 ratings, while Heightmark averages 5.0 from 1 ratings.

### Do Altimeter GPS+ (Speedometer) or Heightmark have ads?

Neither Altimeter GPS+ (Speedometer) nor Heightmark shows ads.

### Which is updated more often, Altimeter GPS+ (Speedometer) or Heightmark?

Altimeter GPS+ (Speedometer) ships an update monthly, and Heightmark fortnightly. Most recently, Altimeter GPS+ (Speedometer) was updated on October 23, 2026 and Heightmark on October 25, 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.*