# Compass vs TimeGrain

The clearest difference is in-app purchases: TimeGrain at none against Compass's 4. Compass's advantage is update cadence (every 10 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Compass sells 4 in-app purchases, starting at $3.99 per 7 days. TimeGrain asks for nothing beyond the download.

Compass ships an update every 10 days, TimeGrain every 6 weeks. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Compass | TimeGrain |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [宽 汪](https://appshunter.io/developer/1737109141) | [Juarez Urrutia](https://appshunter.io/developer/6810244427) |

## What reviewers say

### Compass

[App page](https://appshunter.io/ios/app/compass-altimeter/id6483105242)

This app is a versatile outdoor tool offering compass navigation, real-time environmental data, and plant identification. It also includes practical gadgets, travel guides, and video tutorials for outdoor activities.

**Highlights:** Professional compass and navigation, Real-time altitude, pressure, and temperature, AI-powered plant identification, Outdoor travel guides and routes, Latitude and longitude positioning, Integrated outdoor gadgets (flashlight, ruler, spirit level)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Premium Membership | $3.99 | per 7 days |
| 1 Week Premium Membership | $6.99 | per 7 days |
| 1 Year Premium Membership | $24.99 | per year |
| Permanent Senior Member | $19.99 | one-time |


### TimeGrain

[App page](https://appshunter.io/ios/app/timegrain/id6757728784)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Compass free?

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

### Is TimeGrain free?

TimeGrain is free to download, with no in-app purchases.

### Do Compass or TimeGrain have ads?

Neither Compass nor TimeGrain shows ads.

### Which is updated more often, Compass or TimeGrain?

Compass ships an update every 10 days, and TimeGrain every 6 weeks. Most recently, Compass was updated on October 17, 2026 and TimeGrain on October 4, 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.*