# SoilDoc vs Tag4Farm

The clearest difference is update cadence: Tag4Farm at every 5 weeks against SoilDoc's every 8 months. SoilDoc's advantage is iOS requirement (13 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.

SoilDoc ships an update every 8 months, Tag4Farm every 5 weeks. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SoilDoc | Tag4Farm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Size | 131 MB | 216 MB |
| Requires iOS | **13** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Forschungsinstitut fur biologischen Landbau FiBL](https://appshunter.io/developer/1386461790) | [Identitas AG](https://appshunter.io/developer/502849831) |

## What reviewers say

### SoilDoc

[App page](https://appshunter.io/ios/app/soildoc/id1454927145)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tag4Farm

[App page](https://appshunter.io/ios/app/tag4farm/id6748637675)

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

**In-app purchases:** none


## Frequently asked questions

### Is SoilDoc free?

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

### Is Tag4Farm free?

Tag4Farm is free to download, with no in-app purchases.

### Do SoilDoc or Tag4Farm have ads?

Neither SoilDoc nor Tag4Farm shows ads.

### Which is updated more often, SoilDoc or Tag4Farm?

SoilDoc ships an update every 8 months, and Tag4Farm every 5 weeks. Most recently, SoilDoc was updated on September 18, 2026 and Tag4Farm on September 13, 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.*