# Altitude Compass vs Countdown Pro

The clearest difference is rating: Altitude Compass at 5.0 against Countdown Pro's 3.6. Altitude Compass also leads on review sentiment (95% vs 81%) and ratings volume (16 vs 5). Countdown Pro's advantage is monetization model (free with in-app purchases vs paid). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Altitude Compass sells 2 one-off in-app purchases and Countdown Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Altitude Compass holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 16 and 5 respectively. Written reviews point the same way: 95% of Altitude Compass's written reviews are positive against 81% of Countdown Pro's.

Altitude Compass ships an update every 5 days, Countdown Pro every 4 days. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Altitude Compass | Countdown Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (16 ratings)](https://appshunter.io/ios/app/altitude-compass/id1642364007/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/countdown-pro-widget-and-timer/id6755376859/reviews) |
| Number of ratings | **16** | 5 |
| Positive reviews | **95.0% of reviews** | 81.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 42 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [锦滔 欧](https://appshunter.io/developer/1524196172) | [Rich Soft Co., Ltd](https://appshunter.io/developer/1499019813) |

## 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 |


### Countdown Pro

[App page](https://appshunter.io/ios/app/countdown-pro-widget-and-timer/id6755376859)

Track important upcoming and past events with customizable countdowns. Monitor days remaining or elapsed for birthdays, holidays, goals, and more. Organize your dates with tags and filters, and view them on your home screen.

**Highlights:** Unlimited countdowns, Days-left and days-since tracking, Emoji, photo, and color customization, Home Screen and Lock Screen widgets, Repeating events and reminders, Shareable countdown cards, Offline use

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Widget Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Altitude Compass free?

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

### Is Countdown Pro free?

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

### Which has better reviews, Altitude Compass or Countdown Pro?

Altitude Compass is rated higher. Altitude Compass averages 5.0 out of 5 from 16 ratings, while Countdown Pro averages 3.6 from 5 ratings.

### Do Altitude Compass or Countdown Pro have ads?

Neither Altitude Compass nor Countdown Pro shows ads.

### Which is updated more often, Altitude Compass or Countdown Pro?

Altitude Compass ships an update every 5 days, and Countdown Pro every 4 days. Most recently, Altitude Compass was updated on October 2, 2026 and Countdown Pro on September 28, 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.*