Comparison

HZ Frequency Generator App vs Reverse Play ™

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HZ Frequency Generator App

This app uses science-based sound therapy with curated playlists for sleep, focus, and meditation. Enhance your mental wellness with healing frequencies and custom sound experiences. Enjoy features like a sleep timer and high-quality audio for a balanced mind.

Highlights
  • Science-based healing frequencies
  • Curated playlists for sleep, focus, meditation
  • Customizable categories and playlists
  • Adjustable sleep timer up to 12 hours
  • High-quality audio
  • Intuitive dark-themed interface
Read full description

HZ Frequency Generator App plays Solfeggio frequencies and binaural beats — 432Hz, 528Hz and more — as calming healing tones for sleep, meditation, focus and relaxation. A precise tone generator and sound therapy library in one app. Why Choose HZ Frequency Generator App? • Solfeggio & Binaural Library — explore 432Hz, 528Hz and other frequencies rooted in sound-therapy tradition • Precise Tone Generator — dial in any frequency in Hz and save your own tones • Five Curated Playlists — Sleep, Focus, Relax, Meditate and Walk, each built for a specific part of your day • Deep Sleep Support — drift off with a sleep timer you can set for up to 12 hours • Soft Field Visuals — calming ambient visuals that match the tone you're listening to • Your Own Mix — build custom categories and save favorites for instant access Key Features • Sleep timer up to 12 hours • Custom categories & favorites • Clean, dark-themed interface built for focus • High-quality audio, offline-ready Whether you're winding down at night, settling into a meditation practice, or need to concentrate through a busy afternoon, HZ Frequency Generator App gives you the right frequency for the moment. Start with a selection of tones, then unlock the full frequency library with a Weekly, Monthly, Yearly or Lifetime plan. HZ Frequency Generator App is designed for relaxation and general wellness. It is not a medical device and does not diagnose, treat or cure any condition. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/privacy-policy-hz-frequency/home

About

Reverse Play ™

Alter your voice with a variety of fun effects and instantly play it backward. Save and share your creations with friends easily.

Highlights
  • Reverse voice playback
  • Eight voice effects
  • Save favorite clips
  • Share with friends
  • Instant voice modification
Read full description

Ready to play with your voice? With Reverse Play+, you can: 1. Instantly reverse your unique voice and hear it backwards. 2. Try eight fun effects: echo, distortion, helium, giant, chipmunk, robot, reverb, and alien. 3. Save your favorite clips and share them with friends in just a few taps.

Screenshots

HZ Frequency Generator App4 screens
Reverse Play ™2 screens

Verdict

The call

The clearest difference is in-app purchases: Reverse Play ™ at none against HZ Frequency Generator App's 4. HZ Frequency Generator App's advantage is rating (5.0 vs 4.6) and update cadence (monthly vs every 5 months). On price, ratings volume, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. HZ Frequency Generator App sells 4 in-app purchases, starting at $5.99 per 7 days. Reverse Play ™ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

HZ Frequency Generator App holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 5 and 9 respectively.

UpkeepUpdate frequency

HZ Frequency Generator App ships an update monthly, Reverse Play ™ every 5 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
HZ Frequency Generator App versus Reverse Play ™: the parameters behind the verdict, then further details
ParameterHZ Frequency Generator AppReverse Play ™
PriceFreeFree
Rating5.0 (5 ratings) — better4.6 (9 ratings)
Positive reviews100.0% of reviews—
Number of ratings59 — better
Update frequencyMonthly — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS18.518.0 — better
Further details — not scored
Size28 MB2 MB
Age rating4+4+
DeveloperDheeraj Sharma胜君 夏

Customer experience

HZ Frequency Generator App

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Reverse Play ™

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

4 purchases

HZ Frequency Generator App

Subscriptions3
  • Weekly Subscription3 Days trial$5.997 Days
  • Monthly Subscription$14.991 Month
  • Yearly Subscription$29.991 Year
One-time1
  • Lifetime Premium$99.99
None

Reverse Play ™

No in-app purchases

Questions

Is HZ Frequency Generator App free?
HZ Frequency Generator App is free to download, with in-app purchases available.
Is Reverse Play ™ free?
Reverse Play ™ is free to download, with no in-app purchases.
Which has better reviews, HZ Frequency Generator App or Reverse Play ™?
HZ Frequency Generator App is rated higher. HZ Frequency Generator App averages 5.0 out of 5 from 5 ratings, while Reverse Play ™ averages 4.6 from 9 ratings.
Do HZ Frequency Generator App or Reverse Play ™ have ads?
Neither HZ Frequency Generator App nor Reverse Play ™ shows ads.
Which is updated more often, HZ Frequency Generator App or Reverse Play ™?
HZ Frequency Generator App ships an update monthly, and Reverse Play ™ every 5 months. Most recently, HZ Frequency Generator App was updated on November 5, 2026 and Reverse Play ™ on October 31, 2026.

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