# Flip Unit vs Hear the Light

The clearest difference is update cadence: Hear the Light at every 3 days against Flip Unit's monthly. Flip Unit's advantage is rating (5.0 vs 4.7). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Flip Unit holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Flip Unit ships an update monthly, Hear the Light every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Flip Unit | Hear the Light |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/flip-unit-unit-converter/id6757921823/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/hear-the-light/id6775528809/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 6 MB | 1 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [SIRAJ SALIM](https://appshunter.io/developer/1869633316) | [Stelios Platsis](https://appshunter.io/developer/667955338) |

## What reviewers say

### Flip Unit

[App page](https://appshunter.io/ios/app/flip-unit-unit-converter/id6757921823)

Easily convert units across 12 categories including cooking, currency, and distance. Access conversions on your iPhone, Apple Watch, and home screen widgets. This app offers a clean interface and works offline for most conversions.

**Highlights:** 12 conversion categories, Apple Watch app and complications, iPhone home screen widgets, Offline conversion (except currency), No ads or tracking, iCloud sync

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

**In-app purchases:** none


### Hear the Light

[App page](https://appshunter.io/ios/app/hear-the-light/id6775528809)

This app transforms light into sound, enabling users to "hear" brightness and locate light sources. It's designed for individuals with vision loss, offering features like color recognition and vibration feedback.

**Highlights:** Light to sound conversion, Detects small indicator lights, Fast response time, Vibration feedback, Color recognition, Adjustable sensitivity, VoiceOver accessibility

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

**In-app purchases:** none


## Frequently asked questions

### Is Flip Unit free?

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

### Is Hear the Light free?

Hear the Light is free to download, with no in-app purchases.

### Which has better reviews, Flip Unit or Hear the Light?

Flip Unit is rated higher. Flip Unit averages 5.0 out of 5 from 6 ratings, while Hear the Light averages 4.7 from 3 ratings.

### Do Flip Unit or Hear the Light have ads?

Neither Flip Unit nor Hear the Light shows ads.

### Which is updated more often, Flip Unit or Hear the Light?

Flip Unit ships an update monthly, and Hear the Light every 3 days. Most recently, Flip Unit was updated on October 31, 2026 and Hear the Light on October 31, 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.*