# CommaSurf vs Deep

The clearest difference is price: Deep at Free against CommaSurf's $4.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Deep is free to download; CommaSurf costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CommaSurf ships an update every 20 months, Deep every 17 months. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | CommaSurf | Deep |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 17 months** |
| Size | 1 MB | 9 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Viktor Sengel](https://appshunter.io/developer/498792670) | [Rahul Rao](https://appshunter.io/developer/1755617973) |

## What reviewers say

### CommaSurf

[App page](https://appshunter.io/ios/app/commasurf-watch-browser/id1664602456)

**Features:** Apple Watch app

**In-app purchases:** none


### Deep

[App page](https://appshunter.io/ios/app/deep-focus-and-practice-timer/id6743986862)

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

**In-app purchases:** none


## Frequently asked questions

### Is CommaSurf free?

CommaSurf costs $4.99, with no in-app purchases.

### Is Deep free?

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

### Do CommaSurf or Deep have ads?

Neither CommaSurf nor Deep shows ads.

### Which is updated more often, CommaSurf or Deep?

CommaSurf ships an update every 20 months, and Deep every 17 months. Most recently, CommaSurf was updated on September 7, 2026 and Deep on September 17, 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.*