# Holyiot vs KeyStart

The clearest difference is update cadence: Holyiot at every 4 weeks against KeyStart's every 13 months. Holyiot also leads on iOS requirement (10.0 vs 16.6). On price, rating, 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.

On the App Store both sit at effectively the same score — 1.0 for Holyiot against 1.0 for KeyStart. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Holyiot ships an update every 4 weeks, KeyStart every 13 months. The most recent releases landed on September 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Holyiot | KeyStart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/holyiot-beacon/id1564685205/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/keystart/id6749829964/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 13 months |
| Monetization | Free | Free |
| Size | 19 MB | 24 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Hong yi yun jia technology Co.,LTD](https://appshunter.io/developer/1188616341) | [Bernhard Mitas](https://appshunter.io/developer/1802023240) |

## What reviewers say

### Holyiot

[App page](https://appshunter.io/ios/app/holyiot-beacon/id1564685205)

This utility app allows users to read and modify Bluetooth beacon broadcast information. It also provides real-time environmental data, including temperature, pressure, and humidity.

**Highlights:** Read Bluetooth beacon broadcasts, Modify broadcast parameters, Read environmental temperature, Read environmental pressure, Read environmental humidity

**Features:** macOS Compatibility

**In-app purchases:** none


### KeyStart

[App page](https://appshunter.io/ios/app/keystart/id6749829964)

This utility app provides a reliable pitch tool for choirs, a cappella groups, and vocalists. Select your desired key, play the correct chord or note, and ensure your group starts singing in tune.

**Highlights:** Choir pitch tool, A cappella group support, Vocalist tuning, Key selection, Chord and note playback, Singing in tune

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

**In-app purchases:** none


## Frequently asked questions

### Is Holyiot free?

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

### Is KeyStart free?

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

### Which has better reviews, Holyiot or KeyStart?

Holyiot and KeyStart are both rated 1.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Holyiot or KeyStart have ads?

Neither Holyiot nor KeyStart shows ads.

### Which is updated more often, Holyiot or KeyStart?

Holyiot ships an update every 4 weeks, and KeyStart every 13 months. Most recently, Holyiot was updated on September 22, 2026 and KeyStart on October 6, 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.*