# OWrite Pro vs OneOpen

The clearest difference is review sentiment: OWrite Pro at 100% against OneOpen's 57%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. OWrite Pro sells 5 in-app purchases, starting at $0.99 per month and OneOpen sells 2 in-app purchases, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.

OWrite Pro ships an update every 5 days, OneOpen every 4 days. The most recent releases landed on November 5, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | OWrite Pro | OneOpen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/owrite-pro/id6790085987/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **100.0% of reviews** | 57.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 21 MB | 76 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [琳钧 黄](https://appshunter.io/developer/871641610) | [Freedom Dimension (shenzhen) Technology Co., Ltd](https://appshunter.io/developer/6776064465) |

## What reviewers say

### OWrite Pro

[App page](https://appshunter.io/ios/app/owrite-pro/id6790085987)

This app integrates notes, tasks, habit tracking, mindful focus sessions, and important date reminders into a single, organized platform. Capture ideas, break down goals, build consistent habits, and stay focused on what matters most.

**Highlights:** Integrated notes with rich text formatting and photo support, Habit tracking with daily streaks or cumulative targets, Task management with subtasks and progress tracking, Mindful focus timer with cumulative hour goals and statistics, Important date tracking with countdowns and widgets, Flexible reminder system with various scheduling options, Home screen for an overview of daily activities

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OWrite Pro Monthly | $0.99 | per month |
| OWrite Pro Monthly | $1.99 | per month |
| OWrite Pro Annual | $9.99 | per year |
| OWrite Pro Annual | $19.99 | per year |
| OWrite Pro Lifetime | $12.99 | one-time |


### OneOpen

[App page](https://appshunter.io/ios/app/oneopen-file-viewer/id6792251542)

View a wide range of file types, including documents, web pages, CAD drawings, and 3D models, directly on your iPhone and iPad. Easily open and manage archives, EPUBs, emails, and certificates. Offers basic viewing for free with advanced features available through a subscription.

**Highlights:** Multi-format file viewing, HTML and Markdown preview, CAD and 3D model rotation, Archive browsing and extraction, EPUB reader, Certificate inspection, File information display

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Access Annual | $0.99 | per year |
| Advanced Access Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is OWrite Pro free?

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

### Is OneOpen free?

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

### Do OWrite Pro or OneOpen have ads?

Neither OWrite Pro nor OneOpen shows ads.

### Which is updated more often, OWrite Pro or OneOpen?

OWrite Pro ships an update every 5 days, and OneOpen every 4 days. Most recently, OWrite Pro was updated on November 5, 2026 and OneOpen on November 8, 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.*