Keep Time vs RHYTHM DELAY
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.
RHYTHM DELAY
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RHYTHM DELAY - Hear now. Tap previous. A rhythm memory training app for musicians and music lovers. Listen to the rhythm playing NOW - then tap the rhythm from 1 or 2 bars ago. This deceptively simple challenge trains your rhythmic memory, sense of pulse, and the ability to maintain independence between hearing and playing. HOW TO PLAY ----------- 1. Listen to the rhythm as it plays (NOW row) 2. Tap the rhythm from 1 or 2 bars ago (TAP PREVIOUS) 3. Your timing is judged in real time - Good or Miss 16 LEVELS --------- - Level 1-4: Delay 1 (1 bar back) / BPM 60 - Level 5-8: Delay 2 (2 bars back) / BPM 60 - Level 9-12: Delay 1 / BPM 100 (advanced) - Level 13-16: Delay 2 / BPM 100 (advanced) Each group progressively adds note types: Quarter / Eighth / Triplet / Sixteenth Custom Mode ----------------------- - Free BPM selection (60-200) - Choose 16 or 32 bars - Delay 1 or Delay 2 - Mix and match note types freely FEATURES -------- - Fully offline - no account, no ads, no tracking - Clean dark interface designed for focus - Dynamic judgment window adapts to the rhythm - No long tutorials - short in-game guidance every run RHYTHM DELAY is the training tool that separates what you hear from what you play.
Screenshots
Verdict
The clearest difference is in-app purchases: RHYTHM DELAY at none against Keep Time's 1. Keep Time's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 17.0). On price 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
Both are free to download. Keep Time sells 1 one-off in-app purchase. RHYTHM DELAY asks for nothing beyond the download.
| Parameter | Keep Time | RHYTHM DELAY |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 90.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Justin Okun | Toshio Nagayoshi |
In-app purchases
Keep Time
- Feature Pack$1.99
RHYTHM DELAY
No in-app purchases









