# Hertzly

> Hertzly (iPhone/iPad app by Temurbek Rakhimov.)

- Source: https://appshunter.io/ios/app/hertzly/id6803943589 (this page in markdown: same URL + `.md`)
- Developer: [Temurbek Rakhimov](https://appshunter.io/developer/6780947346)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 9+
- Requires: iOS 16.6 · 12 MB
- Languages: American English
- Released: 2026-09-07
- Data updated: 2026-09-11
- User reviews in markdown: https://appshunter.io/ios/app/hertzly/id6803943589/reviews.md

## What is Hertzly?

Hertzly is a tone generator for checking speakers, headphones, and audio output.

INCLUDED FOR FREE
• Sine wave
• Frequency and volume controls
• Play and Stop
• Frequency sweep
• Speaker Test
• Built-in test presets (A4 440 Hz, 1 kHz, bass, high, sweep, and more)
• Favorites
• Recent playback history (limited)

Hertzly PRO — IN-APP PURCHASE (OPTIONAL SUBSCRIPTION)
Hertzly Pro is not included with the free download. It requires a separate auto-renewable Weekly or Yearly In-App Purchase.
Pro unlocks:
• Square, triangle, and sawtooth waves
• White noise, pink noise, and full-range burst
• Left/right output
• Auto-stop timer
• Unlimited custom presets
• Full playback history
• Background sound

SUBSCRIPTIONS
Hertzly Pro is available as an auto-renewable subscription:
• Weekly
• Yearly
Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless you cancel at least 24 hours before the current period ends. Your account is charged for renewal within 24 hours before the period ends. Manage or cancel in iPhone Settings → Apple ID → Subscriptions. Any unused portion of a free trial, if offered, is forfeited when you buy a subscription.

Privacy Policy: https://docs.google.com/document/d/1oPuHmV9-btUV5BU1F0oo4taAOJXrmmTN6gZElZMhaQw/view
Terms of Use: https://docs.google.com/document/d/1S3m8jhoJgjlPIN1gfuWs2bpO6XHN_mdIjUAWRFMCrrI/view

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Hertzly Weekly | $0.99 | per 7 days |
| Hertzly Yearly | $24.99 | per year |



## Version history (last 2 releases)

### 2.0 — 2026-09-08

Speaker Test and frequency sweep — more ways to check speakers and headphones.

• Speaker Test: 8-second 20 Hz–20 kHz sweep and an on-device frequency response
• Sweep signal in the generator (included)
• Sweep 20–20 kHz preset

Microphone is used only during Speaker Test on this device. Audio is not uploaded.

### 1.0 — 2026-09-07

No release notes.

## More apps by Temurbek Rakhimov

- [Authenticator App - 2FA App](https://appshunter.io/ios/app/authenticator-app-2fa-app/id6780947344)

All apps by Temurbek Rakhimov: https://appshunter.io/developer/6780947346

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-11.*