# DoubleTime Metronome vs Rational Tonality

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.

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.

## The numbers

| Metric | DoubleTime Metronome | Rational Tonality |
| --- | --- | --- |
| Price | $2.99 | **$1.00** |
| Rating | [4.7 (6 ratings)](https://appshunter.io/ios/app/doubletime-metronome/id906075106/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/rational-tonality/id1634264373/reviews)** |
| Number of ratings | 6 | **7** |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 10 days** |
| Monetization | Paid | Paid |
| Size | 6 MB | 41 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dan Tepfer](https://appshunter.io/developer/906075109) | [Scott Dixon](https://appshunter.io/developer/1634264375) |

## What reviewers say

### DoubleTime Metronome

[App page](https://appshunter.io/ios/app/doubletime-metronome/id906075106)

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.

**Highlights:** Precise timing mechanism, Unique DOUBLE button for tempo extension, Gradual click distance increase, Designed by a professional musician, Aids in developing groove

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Rational Tonality

[App page](https://appshunter.io/ios/app/rational-tonality/id1634264373)

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.

**Highlights:** Reference tones for practice, Continuous-pitch instrument support, Ensemble intonation training, Solo practice aid, Soft launch version

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DoubleTime Metronome free?

DoubleTime Metronome costs $2.99, with no in-app purchases.

### Is Rational Tonality free?

Rational Tonality costs $1.00, with no in-app purchases.

### Which has better reviews, DoubleTime Metronome or Rational Tonality?

Rational Tonality is rated higher. DoubleTime Metronome averages 4.7 out of 5 from 6 ratings, while Rational Tonality averages 5.0 from 7 ratings.

### Do DoubleTime Metronome or Rational Tonality have ads?

Neither DoubleTime Metronome nor Rational Tonality shows ads.

### Which is updated more often, DoubleTime Metronome or Rational Tonality?

DoubleTime Metronome ships an update every 29 months, and Rational Tonality every 10 days. Most recently, DoubleTime Metronome was updated on November 1, 2026 and Rational Tonality on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*