# Optical flow Analysis vs Quit with Friends

The clearest difference is rating: Quit with Friends at 5.0 against Optical flow Analysis's 1.0. Optical flow Analysis's advantage is in-app purchases (none vs 4). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Quit with Friends sells 4 one-off in-app purchases. Optical flow Analysis asks for nothing beyond the download.

Quit with Friends holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Optical flow Analysis ships an update fortnightly, Quit with Friends every 2 weeks. The most recent releases landed on July 30, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Optical flow Analysis | Quit with Friends |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/optical-flow-analysis/id6511216272/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quit-with-friends/id6742913311/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 38 MB | 83 MB |
| Requires iOS | **17.7.2** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Be Good](https://appshunter.io/developer/1800567719) |

## What reviewers say

### Optical flow Analysis

[App page](https://appshunter.io/ios/app/optical-flow-analysis/id6511216272)

Analyze motion between video frames and visualize object movement. This utility helps understand visual dynamics in sequences of images.

**Highlights:** Optical flow analysis, Visualize object movement, Frame-to-frame comparison, Motion tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Quit with Friends

[App page](https://appshunter.io/ios/app/quit-with-friends/id6742913311)

Track your app usage and share it with friends. Set goals and monitor each other's screen time to build healthier digital habits together.

**Highlights:** Track app usage, Add friends, View friends' usage, Set screen time goals, Social accountability

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Hall Pass | $0.99 | one-time |
| 5 Hall Passes | $1.99 | one-time |
| 10 Hall Passes | $2.99 | one-time |
| 50 Hall Passes | $3.99 | one-time |


## Frequently asked questions

### Is Optical flow Analysis free?

Optical flow Analysis is free to download, with no in-app purchases.

### Is Quit with Friends free?

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

### Which has better reviews, Optical flow Analysis or Quit with Friends?

Quit with Friends is rated higher. Optical flow Analysis averages 1.0 out of 5 from 1 ratings, while Quit with Friends averages 5.0 from 1 ratings.

### Do Optical flow Analysis or Quit with Friends have ads?

Both Optical flow Analysis and Quit with Friends show ads.

### Which is updated more often, Optical flow Analysis or Quit with Friends?

Optical flow Analysis ships an update fortnightly, and Quit with Friends every 2 weeks. Most recently, Optical flow Analysis was updated on July 30, 2026 and Quit with Friends on September 9, 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.*