# OffBlock vs DocuOne

The clearest difference is in-app purchases: DocuOne at none against OffBlock's 4. DocuOne also leads on rating (5.0 vs 4.7) and update cadence (every 2 weeks vs every 2 months). OffBlock's advantage is ratings volume (102 vs 1) and iOS requirement (14.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. OffBlock sells 4 in-app purchases, starting at $2.99 per month. DocuOne asks for nothing beyond the download.

DocuOne holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: OffBlock has 102 ratings behind it against 1, so its average is the more settled of the two.

OffBlock ships an update every 2 months, DocuOne every 2 weeks. The most recent releases landed on September 29, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | OffBlock | DocuOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (102 ratings)](https://appshunter.io/ios/app/offblock/id1231996198/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/docuone/id6464299395/reviews)** |
| Number of ratings | **102** | 1 |
| Positive reviews | 48.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 275 MB | 74 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OffBlock GmbH](https://appshunter.io/developer/1231996197) | [Lagary Systems, Inc](https://appshunter.io/developer/1705480493) |

## What reviewers say

### OffBlock

[App page](https://appshunter.io/ios/app/offblock/id1231996198)

This app combines a smart pilot logbook with a flight crew organizer. It offers features like automated roster imports, flight logging, and crew communication tools. Share your aviation life and manage your professional schedule efficiently.

**Highlights:** Smart flight logging, Automated roster imports, Integrated aircraft management, Calendar with timeline, Crew communication tools, Roster sharing, Data export in official formats

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OffBlock Pro (1 month) | $2.99 | per month |
| OffBlock Pro+ (1 month) | $6.99 | per month |
| OffBlock Pro (1 year) | $29.99 | per year |
| OffBlock Pro+ (1 year) | $69.99 | per year |

**What reviewers like**

- 👍 Great support team
- 👍 App is good and useful
- 👍 Top App
- 👍 Best Support and product
- 👍 Works without difficulty

**What reviewers complain about**

- 😞 Roster import not working
- 😞 App is unusable
- 😞 Way too expensive
- 😞 Service is really bad
- 😞 Data lost

**Reported bugs**

- Roster import not working
- App is unusable
- Roster autodownload and manual download doesn't work
- Stby duties are not visible
- Data lost

**Requested features**

- Export in calendar view for printing
- Calendar export to be fixed
- More content in logbook for general aviation
- Reintroduce 'remark' option
- Desktop version available again


### DocuOne

[App page](https://appshunter.io/ios/app/docuone/id6464299395)

This app offers a comprehensive document management system for airlines, featuring an AI assistant for smart search and suggestions. It simplifies aviation-related reporting and securely stores operational documents with expiration tracking.

**Highlights:** AI-powered document search, Contextual understanding and guidance, Personalized suggestions, All-in-one aviation form reporting, Streamlined workflow automation, Secure document storage, Expiration date tracking

**In-app purchases:** none


## Frequently asked questions

### Is OffBlock free?

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

### Is DocuOne free?

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

### Which has better reviews, OffBlock or DocuOne?

DocuOne is rated higher. OffBlock averages 4.7 out of 5 from 102 ratings, while DocuOne averages 5.0 from 1 ratings.

### Do OffBlock or DocuOne have ads?

Neither OffBlock nor DocuOne shows ads.

### Which is updated more often, OffBlock or DocuOne?

OffBlock ships an update every 2 months, and DocuOne every 2 weeks. Most recently, OffBlock was updated on September 29, 2026 and DocuOne on September 27, 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.*