Keep Time vs Chromatic Tuner AUv3
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Keep Time
This application provides musicians with a visual metronome to enhance their playing. It offers adjustable tempo, customizable sounds and colors, and various subdivision options. Advanced features for rhythm simulation are available through in-app purchases.
- Adjustable speed with touch gestures
- 4 metronome sound options
- 7 color choices for visualizer
- Sub-division options (8th, 16th, triplets)
- Configurable visualizer beats per measure
- Apple Watch remote tempo adjustment
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Are you a musician who wants to improve your playing? Metronomes are a great way to work on your speed, timing, and accuracy, no matter what instrument you play! Keep Time is a free, fully functioning metronome with a strong visual component. Featuring: - Adjustable speed using touch gestures. You can tap the screen to synchronize it with your tempo. - 4 different metronome sounds - 7 different color choices for the visualizer and interface, including a "rainbow" option - Sub-division options such as: 8th notes, 16th notes, triplets, and shuffles - Visualizer configurable to display 2-8 beats per measure - Advanced features such as Auto Adjust and Simulate Human Rhythm available via In-App purchase - Support for iPad multitasking - Remote tempo adjustment using Apple Watch Directions: Keep Time is operated by using the menu at the bottom of the screen. Start and pause the metronome by using the "Play" button on the far left. Use the "Settings" menu to change the speed, sounds, and colors. Push the "Visualizer" button to remove the settings menu overlay. Finally, the "More" button provides technical information and links to the entire Okunarium Labs catalog.
Chromatic Tuner AUv3
Achieve perfect pitch on your iPhone or iPad with this high-precision chromatic tuner. It supports a wide range of instruments and functions as a standalone app or an AUv3 effect within popular music production hosts.
- High-precision chromatic tuning
- Arc-shaped cents gauge
- Octave display
- Adjustable calibration standards
- Low-latency AUv3 audio passthrough
- Clean, dark interface
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Tune guitar, bass, violin, and any instrument to perfect pitch on your iPhone or iPad. A high-precision chromatic tuner that works as a standalone app and as an AUv3 effect inside GarageBand, Logic Pro, AUM, Koala, Cubasis, Loopy Pro, and any AUv3-compatible host. Features: • High-precision chromatic tuning with an arc-shaped cents gauge • Read pitch drift to the exact cent — in tune at a glance • Octave display shows the note and its octave (A4, B3, ...) • Calibration for different tuning standards (A=415–466 Hz) • Low-latency audio passthrough when used as an AUv3 effect • Clean, dark interface for stage and studio Whether you are practicing at home, warming up backstage, or recording in the studio, Tuner gives you accurate, instant feedback on every note. Works great in GarageBand, Logic Pro, AUM, Koala, Cubasis, Loopy Pro, and any AUv3 host. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Keep Time at Free against Chromatic Tuner AUv3's $2.99. Keep Time also leads on device support (4 vs 2) and iOS requirement (13.0 vs 16.0). Chromatic Tuner AUv3's advantage is rating (5.0 vs 4.0) and in-app purchases (none vs 1). On ratings volume and ads 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
Keep Time is free to download; Chromatic Tuner AUv3 costs $2.99 up front. Keep Time sells 1 one-off in-app purchase. Chromatic Tuner AUv3 asks for nothing beyond the download.
Chromatic Tuner AUv3 holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Keep Time ships an update every 4 months, Chromatic Tuner AUv3 every 10 days. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.
| Parameter | Keep Time | Chromatic Tuner AUv3 |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 90.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 4 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Justin Okun | NATHAN THOMAS MATHIS |
Customer experience
Keep Time
Chromatic Tuner AUv3
In-app purchases
Keep Time
- Feature Pack$1.99
Chromatic Tuner AUv3
No in-app purchases
Questions
Is Keep Time free?
Is Chromatic Tuner AUv3 free?
Which has better reviews, Keep Time or Chromatic Tuner AUv3?
Do Keep Time or Chromatic Tuner AUv3 have ads?
Which is updated more often, Keep Time or Chromatic Tuner AUv3?
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