# Digital Documentation vs EchoSoil

The clearest difference is update cadence: EchoSoil at fortnightly against Digital Documentation's every 37 months. Digital Documentation's advantage is iOS requirement (11.0 vs 15.6). 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.

Digital Documentation ships an update every 37 months, EchoSoil fortnightly. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Digital Documentation | EchoSoil |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Fortnightly** |
| Size | 122 MB | 82 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Historic Environment Scotland](https://appshunter.io/developer/1240194863) | [ANERIS - Minka](https://appshunter.io/developer/1688555207) |

## What reviewers say

### Digital Documentation

[App page](https://appshunter.io/ios/app/digital-documentation/id1246843208)

**Features:** macOS Compatibility

**In-app purchases:** none


### EchoSoil

[App page](https://appshunter.io/ios/app/echosoil/id6744526148)

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

**In-app purchases:** none


## Frequently asked questions

### Is Digital Documentation free?

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

### Is EchoSoil free?

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

### Do Digital Documentation or EchoSoil have ads?

Neither Digital Documentation nor EchoSoil shows ads.

### Which is updated more often, Digital Documentation or EchoSoil?

Digital Documentation ships an update every 37 months, and EchoSoil fortnightly. Most recently, Digital Documentation was updated on November 11, 2026 and EchoSoil on November 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.*