DoubleTime Metronome vs Rational Tonality
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DoubleTime Metronome
This metronome app helps musicians develop their timing and groove. Its unique DOUBLE button allows for gradual tempo increases, aiding in practice. Designed by a professional musician for precision.
- Precise timing mechanism
- Unique DOUBLE button for tempo extension
- Gradual click distance increase
- Designed by a professional musician
- Aids in developing groove
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DoubleTime is a metronome for working on your groove. With its state-of-the-art timing mechanism, it's as precise as it gets. But its killer feature is the DOUBLE button, allowing you to gradually extend the distance between metronome clicks as you dig deeper into your groove. Designed by award-winning pianist/composer Dan Tepfer.
Rational Tonality
This app provides reference tones for musicians playing continuous-pitch instruments. It helps achieve resonant ensemble intonation during solo practice sessions. Updates and tutorials are planned soon.
- Reference tones for practice
- Continuous-pitch instrument support
- Ensemble intonation training
- Solo practice aid
- Soft launch version
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Take the guesswork out of intonation! Musicians who play continuous-pitch instruments like strings, brass, winds, and voice can use Rational Tonality to achieve resonant ensemble intonation when practicing alone in the practice room. This version is the soft launch; look for tutorial information and updates soon.
Screenshots
Verdict
The clearest difference is update cadence: Rational Tonality at every 10 days against DoubleTime Metronome's every 29 months. Rational Tonality also leads on rating (5.0 vs 4.7) and price ($1.00 vs $2.99). DoubleTime Metronome's advantage is iOS requirement (9.0 vs 13.4). On ratings volume, 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
DoubleTime Metronome costs $2.99 and Rational Tonality $1.00 up front. Neither carries in-app purchases, so what you see is what you pay.
Rational Tonality holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 6 and 7 respectively.
DoubleTime Metronome ships an update every 29 months, Rational Tonality every 10 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | DoubleTime Metronome | Rational Tonality |
|---|---|---|
| Price | $2.99 | $1.00 — better |
| Rating | 4.7 (6 ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 88.9% of reviews | — |
| Number of ratings | 6 | 7 — better |
| Update frequency | Every 29 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 6 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Dan Tepfer | Scott Dixon |
Customer experience
DoubleTime Metronome
Rational Tonality
In-app purchases
DoubleTime Metronome
No in-app purchases
Rational Tonality
No in-app purchases
Questions
Is DoubleTime Metronome free?
Is Rational Tonality free?
Which has better reviews, DoubleTime Metronome or Rational Tonality?
Do DoubleTime Metronome or Rational Tonality have ads?
Which is updated more often, DoubleTime Metronome or Rational Tonality?
Other comparisons
