Loop Slower vs KeyJaan!
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Loop Slower
Read full descriptionHide full description
A simple tool that allows you to loop a section of a song and adjust the playback speed. Perfect for anyone whoโs practicing an instrument and want to jam along at desired speed, or when transcribing a song. The app offers: - Changing playback speed - Looping particular section of a song - Saving loops and speed per song automatically - Searching and playing songs from your library (on device) - Searching and playing songs on Apple Music* - Recently played songs for quick access * playing full songs on Apple Music requires an active Apple Music subscription.
KeyJaan!
Read full descriptionHide full description
Your songs become the game. KeyJaan! is a chord-progression rhythm game that analyzes songs from your own music library โ right on your device. Pick a song, and its tempo, beats, bars and chord progression become a playable chart in seconds. No sheet music, no chart downloads. โ Three ways to play Plug in a MIDI keyboard and your real playing becomes the score Use the microphone to play with a piano or your voice (experimental) No instrument? Tap the beat and swipe the chords โ Music theory scores points 7th chords, slash chords, modulations, voice leading โ the more musical your playing, the higher the score. Harder songs multiply your points. Left hand rides the beat, right hand sings the melody. โ The crowd goes wild Ten audience characters react to your playing in real time. Nail a 7th and they'll actually hear it. โ Records that stack up Achievements, daily streaks, per-song best scores and rankings. Chase that S rank โ it's reserved for near-perfect play. โ 6 demo songs included Original demo tracks are bundled and pre-analyzed, so you can play the moment you download. โ Private by design Analysis and scoring happen entirely on your device. Your songs never leave it. No data collection, no ads. FREE: 6 demo songs + analyze up to 5 of your own songs, with a 7-day full-feature trial (1-minute mode stays available afterwards). KEYJAAN PRO (one-time purchase): unlimited analysis + all play lengths. No subscription. Works with: MIDI keyboards (USB/Bluetooth) / your music library / audio files (mp3, m4a, wav and more) Note: DRM-protected streaming tracks (e.g. Apple Music subscription songs) cannot be analyzed.
Screenshots
Verdict
The clearest difference is price: KeyJaan! at Free against Loop Slower's $0.99. Loop Slower's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
KeyJaan! is free to download; Loop Slower costs $0.99 up front. KeyJaan! sells 1 one-off in-app purchase. Loop Slower asks for nothing beyond the download.
| Parameter | Loop Slower | KeyJaan! |
|---|---|---|
| Price | $0.99 | Free โ better |
| Update frequency | Every 12 months | โ |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, Mac โ better |
| Requires iOS | 17.1 | 17.0 โ better |
| Further details โ not scored | ||
| Size | 5 MB | 90 MB |
| Age rating | 9+ | 4+ |
| Developer | Algirdas Gridziuska | Mamiko Tsukamoto |
In-app purchases
Loop Slower
No in-app purchases
KeyJaan!
- KeyJaan Pro$9.99









