# Signal GH vs AuthYou!

The clearest difference is price: AuthYou! at Free against Signal GH's $2.99. AuthYou! also leads on update cadence (every 4 weeks vs every 4 months) and iOS requirement (11.0 vs 16.0). Signal GH's advantage is chart position (#78 vs unranked). On ads, in-app purchases and device support there is nothing between them.

AuthYou! is free to download; Signal GH costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Signal GH ships an update every 4 months, AuthYou! every 4 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Signal GH | AuthYou! |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.6 (544 ratings)](https://appshunter.io/ios/app/signal-gh/id289580769/reviews)** | — |
| Number of ratings | **544** | — |
| Positive reviews | 69.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Paid | — |
| Best chart rank | **#78** | — |
| Size | 10 MB | 34 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Generally Helpful Software](https://appshunter.io/developer/286015711) | [Giovanni Candotti](https://appshunter.io/developer/1330661169) |

## What reviewers say

### Signal GH

[App page](https://appshunter.io/ios/app/signal-gh/id289580769)

**Currently charting:** #78 Top Paid · Utilities (US App Store)

This tool helps HDHomerun users monitor and enhance their Over The Air (OTA) TV reception. It visualizes signal quality across channels, aiding in hardware adjustments for better performance. Features include system state snapshots and a broadcast tower map for US users.

**Highlights:** Monitor OTA signal quality, Graph multiple channels simultaneously, Adjust and upgrade receiving hardware, Snapshot system states for experiments, Broadcast tower map (US users), Manual channel tuning

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Helpful for antenna positioning
- 👍 Provides real-time signal data
- 💡 Useful map and compass features
- 🔧 Troubleshoots signal issues
- ⏱️ Saves time adjusting antenna

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🤔 Confusing or unintuitive UI
- 🔍 Doesn't detect all channels
- 🚫 Requires HDHomeRun device
- ⚠️ Issues with ATSC 3.0 support

**Reported bugs**

- Scanning stops with no channels found
- Incorrect channel numbers and frequencies
- Tuner locking issues with other apps

**Requested features**

- Option to keep screen on during use
- Ability to select individual virtual channels
- Increase signal polling frequency and history
- Add more visual indicators for signal quality


### AuthYou!

[App page](https://appshunter.io/ios/app/authyou/id1563530365)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Signal GH free?

Signal GH costs $2.99, with no in-app purchases.

### Is AuthYou! free?

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

### Do Signal GH or AuthYou! have ads?

Neither Signal GH nor AuthYou! shows ads.

### Which is updated more often, Signal GH or AuthYou!?

Signal GH ships an update every 4 months, and AuthYou! every 4 weeks. Most recently, Signal GH was updated on November 6, 2026 and AuthYou! on November 3, 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.*