Comparison

On Track Rhythm Test vs Keylapp

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

Head to head
About

On Track Rhythm Test

Features
Read full description

This test is developed by the Norwegian Reading Centre, University of Stavanger, to explore the associations between rhythmic timing and later reading difficulties. The test is a research tool, and does not provide feedback on any difficulties.

About

Keylapp

Explore and compare over 90 keyboard layouts with detailed typing insights. Learn faster with mnemonic views and visualize layout characteristics. Master your preferred layout with this comprehensive exploration tool.

Highlights
  • Expansive layout library (90+ layouts)
  • Side-by-side layout comparison
  • Mnemonic-style learning views
  • Typing metrics analysis
  • Radar charts for layout visualization
  • Left/right hand balance indicator
Features
Read full description

Discover Keylapp: The Ultimate Keyboard Layout Explorer Explore and compare over 90 keyboard layouts with intuitive visuals and deep typing insights. Whether you're a layout enthusiast, alternative keyboard learner, or ergonomic typing nerd — Keylapp gives you the tools to master your layout of choice. Why Keylapp? - Expansive Layout Library – From Dvorak to Colemak to niche experimental layouts, browse a growing collection now featuring 90+ layouts. - Side-by-Side Comparison – Visually compare any two layouts to understand key differences in typing flow, comfort, and hand usage. - Smart Mnemonics – Learn faster with experimental mnemonic-style layout views designed to enhance memorization. New in Version 1.2 - Radar Charts – Visualize layout characteristics using an interactive spider-web chart. Tap any axis to learn about each typing metric. - Left/Right Hand Balance Bar – Instantly see how much each hand is used in a layout. - About Developer – Learn about the creator and the philosophy behind Keylapp. - Improved Navigation – New buttons and smoother transitions make the app easier to use. Core Features - Typing Metrics Analysis – Understand each layout’s strengths and weaknesses across dimensions like alternation, rolls, redirects, and more. - Sound Feedback – Engage with layouts using fun, responsive audio cues. - Educational Insights – Get clear descriptions, typing examples, and ergonomic recommendations. - Mnemonic Visuals (Experimental) – An innovative approach to memorizing layouts through visual associations. Coming Soon - Typing Memory Game – Reinforce what you've learned with an engaging in-app game using mnemonic cues. Keylapp isn’t just a layout browser — it’s your personal toolkit for exploring, understanding, and mastering the world of keyboard design. Type smarter. Type better. Start your layout journey with Keylapp.

Screenshots

On Track Rhythm Test3 screens
Keylapp4 screens

Verdict

The call

The clearest difference is update cadence: Keylapp at every 12 months against On Track Rhythm Test's every 87 months. On Track Rhythm Test's advantage is iOS requirement (13.0 vs 17.0). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

On Track Rhythm Test ships an update every 87 months, Keylapp every 12 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
On Track Rhythm Test versus Keylapp: the parameters behind the verdict, then further details
ParameterOn Track Rhythm TestKeylapp
PriceFreeFree
Rating—3.0 (3 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 87 monthsEvery 12 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size3 MB3 MB
Age rating4+4+
DeveloperUniversity of StavangerGrzegorz Kulesza

In-app purchases

None

On Track Rhythm Test

No in-app purchases

None

Keylapp

No in-app purchases

Questions

Is On Track Rhythm Test free?
On Track Rhythm Test is free to download, with no in-app purchases.
Is Keylapp free?
Keylapp is free to download, with no in-app purchases.
Do On Track Rhythm Test or Keylapp have ads?
Neither On Track Rhythm Test nor Keylapp shows ads.
Which is updated more often, On Track Rhythm Test or Keylapp?
On Track Rhythm Test ships an update every 87 months, and Keylapp every 12 months. Most recently, On Track Rhythm Test was updated on October 26, 2026 and Keylapp on October 24, 2026.

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