# Altitude Compass vs ParkTimer

The clearest difference is price: Altitude Compass at Free against ParkTimer's $0.99. Altitude Compass also leads on rating (5.0 vs 4.0) and review sentiment (95% vs 83%). ParkTimer's advantage is in-app purchases (none vs 2). On update cadence, ads and monetization model there is nothing between them.

Altitude Compass is free to download; ParkTimer costs $0.99 up front. Altitude Compass sells 2 one-off in-app purchases. ParkTimer asks for nothing beyond the download.

Altitude Compass holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Altitude Compass has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 95% of Altitude Compass's written reviews are positive against 83% of ParkTimer's.

Altitude Compass ships an update every 5 days, ParkTimer every 8 days. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Altitude Compass | ParkTimer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (16 ratings)](https://appshunter.io/ios/app/altitude-compass/id1642364007/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/parktimer-parking-assistant/id6755898890/reviews) |
| Number of ratings | **16** | 2 |
| Positive reviews | **95.0% of reviews** | 83.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 8 days |
| Monetization | Paid | Paid |
| Size | 3 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [锦滔 欧](https://appshunter.io/developer/1524196172) | [蕴涛 李](https://appshunter.io/developer/1855735322) |

## What reviewers say

### Altitude Compass

[App page](https://appshunter.io/ios/app/altitude-compass/id1642364007)

This tool provides real-time altitude, atmospheric pressure, and location data. It includes a camera with environmental watermarks, a level gauge, speedometer, and sunrise/sunset calculations. Customize the interface and view data via widgets.

**Highlights:** Switchable altitude data sources (GPS/altimeter), Real-time camera with environmental data watermarks, Level gauge, speedometer, sunrise/sunset calculator, Customizable UI with dark/light modes, Widget support for home and lock screens, Ad-free and privacy-focused design

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-day Trial | Free | one-time |
| Full Version Unlock | $0.99 | one-time |


### ParkTimer

[App page](https://appshunter.io/ios/app/parktimer-parking-assistant/id6755898890)

This app helps drivers avoid overpaying for parking and easily locate their vehicles. It features a smart countdown timer with color-coded alerts, customizable billing rules, and the ability to record parking spot details like photos and QR codes. Live Activities and widgets provide at-a-glance tracking without unlocking your device.

**Highlights:** Smart countdown timer with visual alerts, Customizable parking billing rules, Record parking spot photos and QR codes, Live Activities for Dynamic Island, Lock Screen and Home Screen widgets, Privacy-first local data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is Altitude Compass free?

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

### Is ParkTimer free?

ParkTimer costs $0.99, with no in-app purchases.

### Which has better reviews, Altitude Compass or ParkTimer?

Altitude Compass is rated higher. Altitude Compass averages 5.0 out of 5 from 16 ratings, while ParkTimer averages 4.0 from 2 ratings.

### Do Altitude Compass or ParkTimer have ads?

Neither Altitude Compass nor ParkTimer shows ads.

### Which is updated more often, Altitude Compass or ParkTimer?

Altitude Compass ships an update every 5 days, and ParkTimer every 8 days. Most recently, Altitude Compass was updated on September 23, 2026 and ParkTimer on September 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.*