# 32°N Glasses vs Optical flow Analysis

The clearest difference is rating: 32°N Glasses at 4.0 against Optical flow Analysis's 1.0. 32°N Glasses also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

32°N Glasses holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

32°N Glasses ships an update monthly, Optical flow Analysis fortnightly. The most recent releases landed on June 10, 2026 and July 30, 2026 respectively.

## The numbers

| Metric | 32°N Glasses | Optical flow Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/32n-glasses/id1533401076/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/optical-flow-analysis/id6511216272/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Ad-supported |
| Size | 103 MB | 38 MB |
| Requires iOS | **12.0** | 17.7.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OPTICA AMUKA A.A. LTD](https://appshunter.io/developer/1533401078) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### 32°N Glasses

[App page](https://appshunter.io/ios/app/32n-glasses/id1533401076)

This app allows users to personalize and manage their smart glasses. It offers features for calibration, monitoring battery status, and tracking active profiles and lens states.

**Highlights:** Calibrate smart glasses, Monitor battery status, Track active profiles, Manage lens states

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 32°N Glasses free?

32°N Glasses is free to download, with no in-app purchases.

### Is Optical flow Analysis free?

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

### Which has better reviews, 32°N Glasses or Optical flow Analysis?

32°N Glasses is rated higher. 32°N Glasses averages 4.0 out of 5 from 2 ratings, while Optical flow Analysis averages 1.0 from 1 ratings.

### Do 32°N Glasses or Optical flow Analysis have ads?

Optical flow Analysis shows ads; 32°N Glasses does not.

### Which is updated more often, 32°N Glasses or Optical flow Analysis?

32°N Glasses ships an update monthly, and Optical flow Analysis fortnightly. Most recently, 32°N Glasses was updated on June 10, 2026 and Optical flow Analysis on July 30, 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.*