# Chronos vs Superthread

The clearest difference is in-app purchases: Superthread at none against Chronos's 4. Chronos's advantage is iOS requirement (17 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

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

Chronos ships an update every 6 days, Superthread every 11 days. Both last shipped on October 17, 2026.

## The numbers

| Metric | Chronos | Superthread |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/chronos-focus-app-blocker/id6755707119/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 11 days |
| Monetization | Freemium | — |
| Size | 249 MB | 26 MB |
| Requires iOS | **17** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [TRILLIWON, Co.](https://appshunter.io/developer/1050731374) | [Superthread io limited](https://appshunter.io/developer/1790429703) |

## What reviewers say

### Chronos

[App page](https://appshunter.io/ios/app/chronos-focus-app-blocker/id6755707119)

Enhance your concentration by blocking distracting apps and immersing yourself in calming music. Track your focus sessions and build better habits for deep work.

**Highlights:** Block distracting apps, Curated lofi and ambient sounds, Track focus streaks, Customizable focus sessions, Offline music playback, App blocking via Family Controls, Home screen widgets and Siri Shortcuts

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chronos Pro Monthly | $2.99 | per month |
| Chronos Premium (Annual - Discount) | $7.99 | per year |
| Chronos Pro Yearly | $9.99 | per year |
| Chronos Pro Lifetime | $0.99 | one-time |


### Superthread

[App page](https://appshunter.io/ios/app/superthread/id6755784114)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chronos free?

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

### Is Superthread free?

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

### Do Chronos or Superthread have ads?

Neither Chronos nor Superthread shows ads.

### Which is updated more often, Chronos or Superthread?

Chronos ships an update every 6 days, and Superthread every 11 days. Most recently, Chronos was updated on October 17, 2026 and Superthread on October 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.*