# Submersible Audio Light Sensor vs VO Starter

The clearest difference is update cadence: VO Starter at every 2 days against Submersible Audio Light Sensor's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Submersible Audio Light Sensor ships an update every 6 months, VO Starter every 2 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Submersible Audio Light Sensor | VO Starter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (4 ratings)](https://appshunter.io/ios/app/vo-starter/id6455786629/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 5 MB | 26 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [American Printing House for the Blind (APH)](https://appshunter.io/developer/704570515) | [Techopolis Online Solutions, LLC](https://appshunter.io/developer/1581877697) |

## What reviewers say

### Submersible Audio Light Sensor

[App page](https://appshunter.io/ios/app/submersible-audio-light-sensor/id1219412078)

**In-app purchases:** none


### VO Starter

[App page](https://appshunter.io/ios/app/vo-starter/id6455786629)

This app offers a step-by-step guide to help new blind and visually impaired iOS users learn to navigate their devices using VoiceOver, Apple's built-in screen reader. Lessons are designed to be quick and easy to understand, making the learning process manageable.

**Highlights:** VoiceOver training, Step-by-step iOS guide, Quick and easy lessons, For blind users, For visually impaired users

**In-app purchases:** none


## Frequently asked questions

### Is Submersible Audio Light Sensor free?

Submersible Audio Light Sensor is free to download, with no in-app purchases.

### Is VO Starter free?

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

### Do Submersible Audio Light Sensor or VO Starter have ads?

Neither Submersible Audio Light Sensor nor VO Starter shows ads.

### Which is updated more often, Submersible Audio Light Sensor or VO Starter?

Submersible Audio Light Sensor ships an update every 6 months, and VO Starter every 2 days. Most recently, Submersible Audio Light Sensor was updated on October 26, 2026 and VO Starter on October 24, 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.*