# 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 (15.0 vs 26.0). On price, update cadence, 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 3 weeks, HashDoc every 2 weeks. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | BioSeal Reader | HashDoc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 191 MB | 10 MB |
| Requires iOS | **15.0** | 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-vds-and-2d-doc/id1658579581)

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

**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 3 weeks, and HashDoc every 2 weeks. Most recently, BioSeal Reader was updated on October 24, 2026 and HashDoc on October 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.*