# Ostara Mobile vs Fieldmotion 2025

The clearest difference is update cadence: Fieldmotion 2025 at every 10 days against Ostara Mobile's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Ostara Mobile ships an update every 4 months, Fieldmotion 2025 every 10 days. The most recent releases landed on September 9, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Ostara Mobile | Fieldmotion 2025 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Size | 52 MB | 23 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ostara Systems Ltd](https://appshunter.io/developer/830539538) | [Fieldmotion Ltd](https://appshunter.io/developer/663106973) |

## What reviewers say

### Ostara Mobile

[App page](https://appshunter.io/ios/app/ostara-mobile/id1545563422)

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

**In-app purchases:** none


### Fieldmotion 2025

[App page](https://appshunter.io/ios/app/fieldmotion-2025/id6744647447)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ostara Mobile free?

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

### Is Fieldmotion 2025 free?

Fieldmotion 2025 is free to download, with no in-app purchases.

### Do Ostara Mobile or Fieldmotion 2025 have ads?

Neither Ostara Mobile nor Fieldmotion 2025 shows ads.

### Which is updated more often, Ostara Mobile or Fieldmotion 2025?

Ostara Mobile ships an update every 4 months, and Fieldmotion 2025 every 10 days. Most recently, Ostara Mobile was updated on September 9, 2026 and Fieldmotion 2025 on September 12, 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.*