# Knowix, LLC vs Regrind

The clearest difference is in-app purchases: Knowix, LLC at none against Regrind's 10. Knowix, LLC also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18). Regrind's advantage is update cadence (fortnightly vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Regrind sells 10 in-app purchases, starting at $7.99 per month. Knowix, LLC asks for nothing beyond the download.

Knowix, LLC ships an update every 3 months, Regrind fortnightly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Knowix, LLC | Regrind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (81 ratings)](https://appshunter.io/ios/app/regrind-screen-time-wallet/id6756532108/reviews)** |
| Number of ratings | — | **81** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 43 MB | 391 MB |
| Requires iOS | **13.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Knowix, LLC](https://appshunter.io/developer/1661221233) | [PlotPilot Ltd](https://appshunter.io/developer/1703231315) |

## What reviewers say

### Knowix, LLC

[App page](https://appshunter.io/ios/app/knowix-llc/id1661221231)

**Features:** macOS Compatibility

**In-app purchases:** none


### Regrind

[App page](https://appshunter.io/ios/app/regrind-screen-time-wallet/id6756532108)

This app helps you regain control of your screen time by making you earn back access to blocked applications. Complete focus sessions to earn credits, which can then be used to unlock apps for a limited time. It's designed for those who struggle with digital distractions and want a system to improve their focus.

**Highlights:** Earn credits for focus sessions, Use credits to unlock apps, Apps locked by default, Tamper-resistant timer, Motion detection for focus sessions, Bonus rewards on session completion, Detailed transaction history

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $7.99 | per month |
| Premium | $7.99 | per month |
| Premium | $7.99 | per month |
| Premium | $19.99 | per year |
| Premium | $19.99 | per year |
| Premium | $19.99 | per year |
| Premium | $24.99 | per year |
| Premium | $24.99 | per year |
| Premium | $29.99 | per year |
| Premium | $34.99 | one-time |


## Frequently asked questions

### Is Knowix, LLC free?

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

### Is Regrind free?

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

### Do Knowix, LLC or Regrind have ads?

Neither Knowix, LLC nor Regrind shows ads.

### Which is updated more often, Knowix, LLC or Regrind?

Knowix, LLC ships an update every 3 months, and Regrind fortnightly. Most recently, Knowix, LLC was updated on November 3, 2026 and Regrind on November 5, 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.*