# DEVONthink To Go 4 vs Reflect Open

The clearest difference is update cadence: Reflect Open at every 9 days against DEVONthink To Go 4's every 3 weeks. Reflect Open also leads on iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DEVONthink To Go 4 sells 2 in-app purchases, starting at $2.99 per month and Reflect Open sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

DEVONthink To Go 4 ships an update every 3 weeks, Reflect Open every 9 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DEVONthink To Go 4 | Reflect Open |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (251 ratings)](https://appshunter.io/ios/app/devonthink-to-go-4/id6532619226/reviews)** | — |
| Number of ratings | **251** | — |
| Positive reviews | 44.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 193 MB | 38 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [DEVONtechnologies, LLC](https://appshunter.io/developer/395722473) | [Reflect App, LLC](https://appshunter.io/developer/1575595409) |

## What reviewers say

### DEVONthink To Go 4

[App page](https://appshunter.io/ios/app/devonthink-to-go-4/id6532619226)

Manage your entire knowledge library on your iPad and iPhone. Organize, edit, and annotate documents, notes, and more. Leverage generative AI for summaries, content creation, and advanced search. Syncs privately and securely across devices.

**Highlights:** Document organization and management, AI-powered summaries and content creation, PDF annotation and editing, On-device OCR for searchable documents, Cross-device secure synchronization, Custom metadata and tagging, Shortcuts automation

**Features:** Family Sharing, Siri integration, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |


### Reflect Open

[App page](https://appshunter.io/ios/app/reflect-open/id6787385615)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reflect Pro Monthly | $9.99 | per month |
| Reflect Pro Yearly | $99.00 | per year |


## Frequently asked questions

### Is DEVONthink To Go 4 free?

DEVONthink To Go 4 is free to download, with in-app purchases available.

### Is Reflect Open free?

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

### Do DEVONthink To Go 4 or Reflect Open have ads?

Neither DEVONthink To Go 4 nor Reflect Open shows ads.

### Which is updated more often, DEVONthink To Go 4 or Reflect Open?

DEVONthink To Go 4 ships an update every 3 weeks, and Reflect Open every 9 days. Most recently, DEVONthink To Go 4 was updated on October 24, 2026 and Reflect Open on October 25, 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.*