Comparison

Frequency vs Rehear

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

Head to head
About

Frequency

Transform any subject into structured audio lessons you can listen to like a podcast. Generate multi-lesson plans tailored to your learning level, with options for quick summaries or in-depth courses. Learn on the go by listening or reading, and customize your experience with adjustable depth and lesson length.

Highlights
  • AI-generated audio lesson plans
  • Customizable lesson depth and length
  • Listen or read lesson content
  • Progress tracking
  • Quick answer summaries
  • Learn on the go
Features
Read full description

Frequency turns any topic into a structured audio lesson plan you can listen to like a podcast. HOW IT WORKS Type any subject — from black holes to the history of pizza — and Frequency creates a multi-lesson plan tailored to your level. Each lesson comes with key concepts, follow-up questions, and optional HD audio so you can learn on the go. TWO WAYS TO LEARN • Lesson Plans: Deep-dive courses with 3-8 lessons, adjustable depth (Intro, Standard, or Deep Dive), and customizable lesson length • Quick Answers: Fast single-lesson summaries when you just need the essentials LISTEN OR READ Every lesson can be read as text or played as HD audio. Switch between modes anytime — learn your way. CUSTOMIZE YOUR EXPERIENCE • Choose your depth: Intro for beginners, Standard for a solid overview, or Deep Dive for advanced learners • Set lesson length: Short, Medium, or Long • Pick how many lessons: 3 to 8 per plan • Track your progress across all your plans BUILT FOR CURIOSITY Frequency is for anyone who wants to learn something new every day. Whether you're commuting, cooking, or just curious, turn idle time into learning time. 3 free plans daily. No subscription required.

About

Rehear

Enhance language learning with this audio player. Import your own audio files, podcasts, or ZIP archives to practice pronunciation, dictation, and listening comprehension. Features include transcripts, phrase segmentation, A-B repeat, and adjustable playback speed.

Highlights
  • Import audio files and ZIP archives
  • Generate word-level transcripts
  • Adjustable playback speed (0.5x to 2x)
  • Phrase-by-phrase navigation
  • A-B repeat functionality
  • Bookmark specific sections
  • Resume playback from last position
Features
Read full description

Rehear is an audio player built specifically for language learning. Use course audio and podcasts to make listening, shadowing, and dictation practice dramatically more efficient. “Managing downloaded course audio is a hassle.” “I want to practice by listening to the same phrase over and over.” Rehear was created to solve these common frustrations, bringing automatic phrase detection, waveform navigation, word-level transcription, and other essential tools together in one app. ■ Key Features 【Import ZIP Files Instantly—No Unzipping Required】 ・Import ZIP files from language courses directly, without extracting them first. ・You can also import audio from your Music library, so you can start practicing without the usual setup. 【Turn Your Favorite Podcasts into the Ultimate Learning Material】 ・Simply add your favorite podcasts to the app. ・Use Rehear’s features to turn authentic spoken audio into personalized language-learning material. 【Navigate Quickly with Waveforms and Automatic Phrase Detection】 ・Use the visual waveform to move intuitively to the exact part you want to hear. ・Rehear automatically divides audio into phrases, letting you jump to any phrase with a single tap. 【Word-Level Transcription】 ・Rehear transcribes imported audio on the device where the device and language are supported. For some languages, an on-device model is also available when Apple's speech recognition is unsupported. ・Each word is highlighted in real time during playback, making it easy to check anything you missed and review difficult sections. 【A-B Repeat & Playback Speed Control】 ・Repeat a phrase with one tap, or use A-B Repeat to replay any selected section as many times as you need. ・Adjust playback speed from 0.5× to 2.0×, whether you’re easing into unfamiliar audio or listening closely to every detail. 【Bookmarks for Focused Review】 ・Save difficult phrases and repeated sections as bookmarks. ・Focus your practice on the exact parts you struggled with during shadowing. Repeat as many times as you need, and make shadowing and dictation practice smoother and more effective. Take your language learning to the next level with Rehear! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://rehear.usubilab.com/privacy

Screenshots

Frequency4 screens
Rehear4 screens

Verdict

The call

The clearest difference is in-app purchases: Frequency at none against Rehear's 3. On price, ads, monetization model 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. Rehear sells 3 in-app purchases, starting at $2.99 per month. Frequency asks for nothing beyond the download.

Scorecard1 real difference · 9 level
Frequency versus Rehear: the parameters behind the verdict, then further details
ParameterFrequencyRehear
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews—100.0% of reviews
Number of ratings2 — better—
Update frequency—Every 5 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size8 MB40 MB
Age rating12+4+
DeveloperTrace FerreKeita Hikita

Customer experience

Frequency

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Rehear

Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Frequency

No in-app purchases

3 purchases

Rehear

Subscriptions2
  • Rehear Pro Monthly$2.991 Month
  • Rehear Pro Annual7 Days trial$24.991 Year
One-time1
  • Rehear Pro Lifetime$169.99

Questions

Is Frequency free?
Frequency is free to download, with no in-app purchases.
Is Rehear free?
Rehear is free to download, with in-app purchases available.
Do Frequency or Rehear have ads?
Neither Frequency nor Rehear shows ads.

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