# BioSeal® Reader vs HashDoc

The clearest difference is in-app purchases: BioSeal® Reader at none against HashDoc's 3. BioSeal® Reader also leads on iOS requirement (14.0 vs 26.0). HashDoc's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. HashDoc sells 3 in-app purchases, starting at $3.99 per month. BioSeal® Reader asks for nothing beyond the download.

BioSeal® Reader ships an update every 5 weeks, HashDoc every 2 weeks. Both last shipped on September 9, 2026.

## The numbers

| Metric | BioSeal® Reader | HashDoc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 135 MB | 10 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [id3 Technologies](https://appshunter.io/developer/1518199240) | [Impact Makers (Apps)](https://appshunter.io/developer/1813849342) |

## What reviewers say

### BioSeal® Reader

[App page](https://appshunter.io/ios/app/bioseal-reader/id1658579581)

**Features:** macOS Compatibility

**In-app purchases:** none


### HashDoc

[App page](https://appshunter.io/ios/app/hashdoc/id6762055244)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $3.99 | per month |
| Premium | $11.99 | per month |
| Pro | $69.99 | per month |


## Frequently asked questions

### Is BioSeal® Reader free?

BioSeal® Reader is free to download, with no in-app purchases.

### Is HashDoc free?

HashDoc is free to download, with in-app purchases available.

### Do BioSeal® Reader or HashDoc have ads?

Neither BioSeal® Reader nor HashDoc shows ads.

### Which is updated more often, BioSeal® Reader or HashDoc?

BioSeal® Reader ships an update every 5 weeks, and HashDoc every 2 weeks. Most recently, BioSeal® Reader was updated on September 9, 2026 and HashDoc on September 9, 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.*