Amazing Slow Downer vs Mandolin Chords Compass
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Amazing Slow Downer
Learn songs and techniques by slowing down music without altering pitch. Adjust playback speed, change tuning, and create seamless loops. Ideal for musicians, transcribers, and dancers.
- Adjust playback speed (25%-200%)
- Change pitch without distortion
- Create seamless loops
- Support for Apple Music streaming
- Change tuning and musical key
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If you're a musician who likes to learn new songs and techniques by listening to the same piece of music over and over but wish that the music could be played a little slower, then you'll enjoy Amazing Slow Downer. You can repeat any section of the music at full speed, slow it down or even speed it up by changing the speed between 25% (1/4 of original speed) and 200% (double speed) without changing the pitch! Change the tuning or musical key? No problem, Amazing Slow Downer handles that as well. Setup seamless loops by touching the "Set" buttons during playback. Amazing Slow Downer is the ideal tool for any musician, transcriber or dancer wanting to improve their skills. New - Support for streaming "Apple Music" audio! Note: Some functions such as "Pitch change" and "Equalizer" are not available when playing "Apple Music" songs. Please note: According to Spotify, third party apps will not any longer have access to streaming Spotify content in a way that works for slowing down / pitch change audio starting September 1, 2022. This will affect Amazing Slow Downer. This means that you should NOT buy Amazing Slow Downer if playing Spotify content is your only use of the app. This change does NOT affect any other type of audio content that Amazing Slow Downer can play back.
Mandolin Chords Compass
Access a vast library of mandolin chords with a virtual fretboard and authentic sound. Perfect for beginners and experienced players, it offers offline functionality and supports multiple mandolin family instruments. Master any song with this comprehensive practice and composition tool.
- Massive chord library
- Virtual fretboard visualization
- Authentic chord sound playback
- Supports Mandolin, Mandola, Mandocello
- Offline functionality
- Left-handed mode
- One-time purchase
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Take your mandolin playing to the next level. Whether you're a complete beginner or a seasoned musician, Mandolin Chords Compass gives you instant access to a massive library of chords across the entire fretboard—accurate, intuitive, and easy to explore. Master 24,000 Chords With Precision And Simplicity: Quickly find the right voicing by selecting the chord root, type and addition and explore the options with just a few clicks. View each chord on a virtual fretboard and hear its authentic sound. It supports Mandolin, Mandola and Mandocello! All-in-One Professional Tool for Players and Creators: + Visualize chords in 17 fretboard positions + Listen to chord sounds + Left-handed mode, retina graphics, and adjustable volume + Designed for offline use, no internet or subscriptions required Built for Practice, Composition, and Teaching: Ideal for self-taught learners, classroom instructors, or songwriters creating custom progressions. Whether you're developing skills or composing original music, this app is your complete mandolin companion! Get Full Access with a One-Time Purchase: No subscriptions. No recurring fees. Just powerful features you own forever. Across all of your Apple devices —iPhone, iPad and Mac! Elevate your music and master the mandolin today! Get Mandolin Chords Compass and start playing with confidence!
Screenshots
Verdict
Amazing Slow Downer and Mandolin Chords Compass both sit at 3.9 stars, but that hides the real split: 69% of Amazing Slow Downer's written reviews are positive against 17% of Mandolin Chords Compass's. Amazing Slow Downer also leads on update cadence (every 2 months vs every 64 months) and ratings volume (463 vs 32). Mandolin Chords Compass's advantage is price ($4.99 vs $14.99) and device support (4 vs 2). On rating, ads, in-app purchases and monetization model 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
Amazing Slow Downer costs $14.99 and Mandolin Chords Compass $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 3.9 for Amazing Slow Downer against 3.9 for Mandolin Chords Compass. That said, the two scores are not equally well evidenced: Amazing Slow Downer has 463 ratings behind it against 32, so its average is the more settled of the two. Written reviews are what separate them: 69% of Amazing Slow Downer's written reviews are positive against 17% of Mandolin Chords Compass's.
Amazing Slow Downer ships an update every 2 months, Mandolin Chords Compass every 64 months. The most recent releases landed on November 13, 2026 and November 11, 2026 respectively.
| Parameter | Amazing Slow Downer | Mandolin Chords Compass |
|---|---|---|
| Price | $14.99 | $4.99 — better |
| Rating | 3.9 (463 ratings) — better | 3.9 (32 ratings) |
| Positive reviews | 68.6% of reviews — better | 16.7% of reviews |
| Number of ratings | 463 — better | 32 |
| Update frequency | Every 2 months — better | Every 64 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #24 — better | #187 |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Roni Music | Max Schlee |
Customer experience
Amazing Slow Downer
Mandolin Chords Compass
Bugs and requests
Amazing Slow Downer
Reported bugs
3 issues- Playback freezing or not working as expected
- Inability to access purchased songs from iTunes library
- Connectivity issues when trying to use with Spotify
Requested features
5 requests- Add ability to record and import voice memos
- Improve library management and organization
- Implement Audiobus support for looping in other apps
- Add more precise speed and pitch adjustment controls
- Provide option to display waveform for better visualization
Mandolin Chords Compass
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Amazing Slow Downer
No in-app purchases
Mandolin Chords Compass
No in-app purchases
Questions
Is Amazing Slow Downer free?
Is Mandolin Chords Compass free?
Which has better reviews, Amazing Slow Downer or Mandolin Chords Compass?
Do Amazing Slow Downer or Mandolin Chords Compass have ads?
Which is updated more often, Amazing Slow Downer or Mandolin Chords Compass?
Which is more popular, Amazing Slow Downer or Mandolin Chords Compass?
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