# Strobe Groove Flashlight vs OTAPP

The clearest difference is update cadence: Strobe Groove Flashlight at every 2 months against OTAPP's every 26 months. OTAPP's advantage is iOS requirement (14.0 vs 16.6). 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.

Strobe Groove Flashlight ships an update every 2 months, OTAPP every 26 months. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Strobe Groove Flashlight | OTAPP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/strobe-groove-flashlight/id455729197/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 26 months |
| Monetization | Free | — |
| Size | 6 MB | 17 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Kunihiko Nakahara](https://appshunter.io/developer/425654442) | [OTAPP SPA](https://appshunter.io/developer/1674023035) |

## What reviewers say

### Strobe Groove Flashlight

[App page](https://appshunter.io/ios/app/strobe-groove-flashlight/id455729197)

This utility app transforms your phone's LED into a dynamic light source. It synchronizes flashing with music beats and offers manual strobe control. It also functions as a standard flashlight and can send Morse code.

**Highlights:** Music synchronization for light flashing, Manual strobe control, Everyday flashlight function, Morse code transmission, Customizable flashing parameters

**Features:** macOS Compatibility

**In-app purchases:** none


### OTAPP

[App page](https://appshunter.io/ios/app/otapp/id6445826287)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Strobe Groove Flashlight free?

Strobe Groove Flashlight is free to download, with no in-app purchases.

### Is OTAPP free?

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

### Do Strobe Groove Flashlight or OTAPP have ads?

Neither Strobe Groove Flashlight nor OTAPP shows ads.

### Which is updated more often, Strobe Groove Flashlight or OTAPP?

Strobe Groove Flashlight ships an update every 2 months, and OTAPP every 26 months. Most recently, Strobe Groove Flashlight was updated on October 23, 2026 and OTAPP on October 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.*