# KnocQnow vs Frame Rate Stopwatch

The clearest difference is price: KnocQnow at Free against Frame Rate Stopwatch's $9.99. KnocQnow also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

KnocQnow is free to download; Frame Rate Stopwatch costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KnocQnow ships an update fortnightly, Frame Rate Stopwatch every 2 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | KnocQnow | Frame Rate Stopwatch |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 73 MB | 8 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Minami](https://appshunter.io/developer/1797696282) | [Shun Isayama](https://appshunter.io/developer/1578976556) |

## What reviewers say

### KnocQnow

[App page](https://appshunter.io/ios/app/knocqnow/id6499095123)

**Features:** macOS Compatibility

**In-app purchases:** none


### Frame Rate Stopwatch

[App page](https://appshunter.io/ios/app/frame-rate-stopwatch/id6744085157)

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

**In-app purchases:** none


## Frequently asked questions

### Is KnocQnow free?

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

### Is Frame Rate Stopwatch free?

Frame Rate Stopwatch costs $9.99, with no in-app purchases.

### Do KnocQnow or Frame Rate Stopwatch have ads?

Neither KnocQnow nor Frame Rate Stopwatch shows ads.

### Which is updated more often, KnocQnow or Frame Rate Stopwatch?

KnocQnow ships an update fortnightly, and Frame Rate Stopwatch every 2 months. Most recently, KnocQnow was updated on October 27, 2026 and Frame Rate Stopwatch on October 28, 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.*