PD1 vs Rhythm Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PD1
This app simulates classic analog delay pedals, offering a meaner grit with a ladder filter and random delay-line noise. It's an audio-unit effect designed for musicians seeking unique delay sounds.
- Analog delay simulation
- Ladder filter for meaner grit
- Random delay-line noise
- Audio-unit effect plugin
- Classic pedal sound recreation
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PD-1 is an analog delay simulation audio plug-in and app that recreates the sounds of classic analog delay pedals with the twist of significantly meaner girt from a ladder filter and random delay-line noise.
Rhythm Trainer
Develop your musical ear and rhythm skills with interactive exercises. Practice tapping along to diverse rhythmic patterns, track your progress, and set personalized goals. Suitable for musicians of all levels.
- Rhythm tapping practice
- One and two-hand rhythm practice
- Progress tracking
- Proficiency monitoring
- Personalized goal setting
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Rhythm Ear Trainer is the ultimate tool for honing your rhythm skills and developing a keen musical ear. With a plethora of features designed to enhance your musicality, this app is perfect for beginners and seasoned musicians alike. KEY FEATURES: ⌘ RHYTHM TRAINING > Practice tapping along to a variety of rhythmic patterns, ranging from simple to complex. > Improve your timing and groove by matching your taps precisely to the beat. > Also you can practice rhythms with one or two hands. ⌘ PROGRESS TRACKING > Monitor your progress over time > Track your proficiency in rhythm practice. > Set personalized goals to improve your skills. Rhythm Ear Trainer is a comprehensive tool suitable for beginners embarking on their musical journey and experienced musicians looking to enhance their skills. With its diverse range of training exercises and features, the app offers a dynamic and interactive platform for musicians to refine their rhythm and ear training abilities. Download now and embark on a journey to musical excellence!
Screenshots
Verdict
The clearest difference is review sentiment: PD1 at 100% against Rhythm Trainer's 34%. Rhythm Trainer's advantage is price (Free vs $3.99) and iOS requirement (14.0 vs 17.5). On update cadence, ads, in-app purchases 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
Rhythm Trainer is free to download; PD1 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
PD1 ships an update every 6 days, Rhythm Trainer every 9 days. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.
| Parameter | PD1 | Rhythm Trainer |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | — | 4.2 (95 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 34.4% of reviews |
| Number of ratings | — | 95 — better |
| Update frequency | Every 6 days — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.5 | 14.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Pedro Yamada | Artem Popov |
Customer experience
PD1
Rhythm Trainer
In-app purchases
PD1
No in-app purchases
Rhythm Trainer
No in-app purchases









