Comparison

PD1 vs Rhythm Trainer

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

Head to head
About

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.

Highlights
  • Analog delay simulation
  • Ladder filter for meaner grit
  • Random delay-line noise
  • Audio-unit effect plugin
  • Classic pedal sound recreation
Features
Read full description

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.

About

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.

Highlights
  • Rhythm tapping practice
  • One and two-hand rhythm practice
  • Progress tracking
  • Proficiency monitoring
  • Personalized goal setting
Features
Read full description

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

PD12 screens
Rhythm Trainer4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
PD1 versus Rhythm Trainer: the parameters behind the verdict, then further details
ParameterPD1Rhythm Trainer
Price$3.99Free — better
Rating—4.2 (95 ratings) — better
Positive reviews100.0% of reviews — better34.4% of reviews
Number of ratings—95 — better
Update frequencyEvery 6 days — betterEvery 9 days
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.514.0 — better
Further details — not scored
Size10 MB52 MB
Age rating4+4+
DeveloperPedro YamadaArtem Popov

Customer experience

PD1

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Rhythm Trainer

All ratings91 ratings
Positive76.9%
Neutral6.6%
Negative16.5%
Written reviews32 reviews
Positive34.4%
Neutral15.6%
Negative50.0%

In-app purchases

None

PD1

No in-app purchases

None

Rhythm Trainer

No in-app purchases

Questions

Is PD1 free?
PD1 costs $3.99, with no in-app purchases.
Is Rhythm Trainer free?
Rhythm Trainer is free to download, with no in-app purchases.
Do PD1 or Rhythm Trainer have ads?
Neither PD1 nor Rhythm Trainer shows ads.
Which is updated more often, PD1 or Rhythm Trainer?
PD1 ships an update every 6 days, and Rhythm Trainer every 9 days. Most recently, PD1 was updated on October 30, 2026 and Rhythm Trainer on November 8, 2026.

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