# FieldLogger vs B.R.A.IN.

The clearest difference is update cadence: FieldLogger at every 3 weeks against B.R.A.IN.'s every 3 months. FieldLogger also leads on iOS requirement (8.0 vs 15.0). 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.

FieldLogger ships an update every 3 weeks, B.R.A.IN. every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FieldLogger | B.R.A.IN. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 17 MB | 78 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artesia](https://appshunter.io/developer/924565720) | [SISGEO S.r.l](https://appshunter.io/developer/1439891075) |

## What reviewers say

### FieldLogger

[App page](https://appshunter.io/ios/app/fieldlogger/id924565721)

**Features:** macOS Compatibility

**In-app purchases:** none


### B.R.A.IN.

[App page](https://appshunter.io/ios/app/brain-sisgeo/id1439891076)

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

**In-app purchases:** none


## Frequently asked questions

### Is FieldLogger free?

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

### Is B.R.A.IN. free?

B.R.A.IN. is free to download, with no in-app purchases.

### Do FieldLogger or B.R.A.IN. have ads?

Neither FieldLogger nor B.R.A.IN. shows ads.

### Which is updated more often, FieldLogger or B.R.A.IN.?

FieldLogger ships an update every 3 weeks, and B.R.A.IN. every 3 months. Most recently, FieldLogger was updated on October 26, 2026 and B.R.A.IN. on October 24, 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.*