# Chronometer and Countdown HD vs Altitude Compass

The clearest difference is review sentiment: Altitude Compass at 95% against Chronometer and Countdown HD's 0%. Altitude Compass also leads on price (Free vs $0.99) and rating (5.0 vs 2.0). Chronometer and Countdown HD's advantage is in-app purchases (none vs 2). On ads there is nothing between them.

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

Altitude Compass holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Altitude Compass has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Chronometer and Countdown HD's written reviews are positive against 95% of Altitude Compass's.

Chronometer and Countdown HD ships an update every 42 months, Altitude Compass every 5 days. The most recent releases landed on November 1, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | Chronometer and Countdown HD | Altitude Compass |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/chronometer-and-countdown-hd/id380855822/reviews) | **[5.0 (17 ratings)](https://appshunter.io/ios/app/altitude-compass/id1642364007/reviews)** |
| Number of ratings | 1 | **17** |
| Positive reviews | 0.0% of reviews | **95.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 5 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 3 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [锦滔 欧](https://appshunter.io/developer/1524196172) |

## What reviewers say

### Chronometer and Countdown HD

[App page](https://appshunter.io/ios/app/chronometer-and-countdown-hd/id380855822)

This utility app transforms your iPad into a versatile multi-stopwatch and multi-countdown timer. It's ideal for timing sporting events, athletic training, or motor racing, allowing simultaneous use of multiple timers and lap measurements.

**Highlights:** 4 independent stopwatches, Lap timing for up to 8 events, 4 independent countdown timers, Adjustable countdown times, Synchronization buttons, Background operation

**Features:** macOS Compatibility

**In-app purchases:** none


### Altitude Compass

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

This app provides real-time altitude, pressure, and location data for outdoor activities. It offers customizable compass dials and display themes, with an optional full version for enhanced photo watermarking and personalization.

**Highlights:** Real-time altitude and pressure readings, GPS coordinates and nearby addresses, Customizable compass dials and themes, Home Screen, Lock Screen, and StandBy widgets, Watermark camera for photos, Photo information preservation, Customizable watermark content

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (2)**

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


## Frequently asked questions

### Is Chronometer and Countdown HD free?

Chronometer and Countdown HD costs $0.99, with no in-app purchases.

### Is Altitude Compass free?

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

### Which has better reviews, Chronometer and Countdown HD or Altitude Compass?

Altitude Compass is rated higher. Chronometer and Countdown HD averages 2.0 out of 5 from 1 ratings, while Altitude Compass averages 5.0 from 17 ratings.

### Do Chronometer and Countdown HD or Altitude Compass have ads?

Neither Chronometer and Countdown HD nor Altitude Compass shows ads.

### Which is updated more often, Chronometer and Countdown HD or Altitude Compass?

Chronometer and Countdown HD ships an update every 42 months, and Altitude Compass every 5 days. Most recently, Chronometer and Countdown HD was updated on November 1, 2026 and Altitude Compass on November 14, 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.*