# +Doku vs Onstruc

The clearest difference is in-app purchases: +Doku at none against Onstruc's 2. +Doku also leads on iOS requirement (10.3 vs 14.5). Onstruc's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Onstruc sells 2 in-app purchases, starting at $11.49 per month. +Doku asks for nothing beyond the download.

+Doku ships an update every 2 months, Onstruc fortnightly. The most recent releases landed on October 26, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | +Doku | Onstruc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/onstruc-photo-documentation/id1532766276/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 54 MB | 63 MB |
| Requires iOS | **10.3** | 14.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [X-Interchange GmbH](https://appshunter.io/developer/1438909423) | [Onstruc UG (haftungsbeschraenkt)](https://appshunter.io/developer/1532766278) |

## What reviewers say

### +Doku

[App page](https://appshunter.io/ios/app/plus-doku/id1438911531)

**Features:** macOS Compatibility

**In-app purchases:** none


### Onstruc

[App page](https://appshunter.io/ios/app/onstruc-photo-documentation/id1532766276)

Streamline your work with automated report generation and customizable PDF documentation. This tool simplifies complex documentation processes for various industries, allowing for quick creation of reports from photos, measurements, and more.

**Highlights:** Automated report generation, Customizable PDF reports, Photo drawing and tagging, QR/barcode scanning, License plate recognition, Digital signatures, Team management

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Desktop Pro | $11.49 | per month |
| The service workspace | $24.49 | per month |


## Frequently asked questions

### Is +Doku free?

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

### Is Onstruc free?

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

### Do +Doku or Onstruc have ads?

Neither +Doku nor Onstruc shows ads.

### Which is updated more often, +Doku or Onstruc?

+Doku ships an update every 2 months, and Onstruc fortnightly. Most recently, +Doku was updated on October 26, 2026 and Onstruc on October 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.*