# OsmoView vs ALS Compass Evolution

The clearest difference is iOS requirement: ALS Compass Evolution at 14.2 against OsmoView's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OsmoView ships an update every 3 weeks, ALS Compass Evolution fortnightly. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | OsmoView | ALS Compass Evolution |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 220 MB | 53 MB |
| Requires iOS | 16.0 | **14.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OSMOFLO WATER MANAGEMENT PTY LTD](https://appshunter.io/developer/1242596915) | [Australian Laboratory Services Pty Ltd](https://appshunter.io/developer/1678954382) |

## What reviewers say

### OsmoView

[App page](https://appshunter.io/ios/app/osmoview/id1233491269)

**Features:** macOS Compatibility

**In-app purchases:** none


### ALS Compass Evolution

[App page](https://appshunter.io/ios/app/als-compass-evolution/id6467979005)

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

**In-app purchases:** none


## Frequently asked questions

### Is OsmoView free?

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

### Is ALS Compass Evolution free?

ALS Compass Evolution is free to download, with no in-app purchases.

### Do OsmoView or ALS Compass Evolution have ads?

Neither OsmoView nor ALS Compass Evolution shows ads.

### Which is updated more often, OsmoView or ALS Compass Evolution?

OsmoView ships an update every 3 weeks, and ALS Compass Evolution fortnightly. Most recently, OsmoView was updated on September 28, 2026 and ALS Compass Evolution on October 5, 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.*