MaxTapTime vs HDZap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MaxTapTime
This stopwatch app features a large, adjustable button to prevent accidental taps. It offers voice feedback for lap times, time limits, and target lap times, with haptic feedback on supported devices.
- Customizable large button size
- Voice Over support (Japanese & English)
- Haptic Feedback on button
- Set Target Lap Time with voice feedback
- Set Time Limits with voice feedback
- Repeated Voice Feedback
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Prevent Mis-Taps with This Stopwatch! This app features a button with customizable size, allowing you to tap accurately even when you can’t see your hand. - Voice Over (Japanese & English) - Haptic Feedback on Button (Supported Devices Only) - Set Target Lap Time (Voice feedback on the difference from the target total time for each lap) - Set Time Limits (Voice feedback on remaining time for each lap) - Repeated Voice Feedback
HDZap
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HDZap is a manual lap timer for FPV drone racing. Tap the LAP button as your pilot crosses the finish line — the split time instantly appears on their Digital FPV Goggle OSD via the M5StickS3 Bluetooth bridge. No hardware? No problem. HDZap works as a standalone lap timer — race history, best laps, and pace tracking all work without any external device. FEATURES • One-tap lap recording • Live lap time on Digital FPV Goggle OSD via ESP-NOW • Race history with best lap and lap averages • Share race results as an image • Flight battery voltage and percentage from backpack telemetry • Adjustable OSD layout • Low-latency BLE connection OPTIONAL HARDWARE (for OSD display) • M5StickS3 (ESP32-S3) flashed with HDZap firmware • Digital FPV Goggle with ELRS backpack The firmware and setup guide are available at the support link below. HDZAP PREMIUM (OPTIONAL SUBSCRIPTION) Swap the default iOS voice for natural AI announcer voices powered by AWS Polly and Microsoft Azure — 30 voices in English and Japanese. • HDZap Premium Monthly — JPY 450 / month • HDZap Premium Yearly — JPY 4,000 / year Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings → Apple ID → Subscriptions. Payment is charged to your Apple ID account at confirmation of purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://saqoosha.github.io/HDZap/privacy/
Screenshots
Verdict
The clearest difference is in-app purchases: MaxTapTime at none against HDZap's 2. MaxTapTime also leads on update cadence (every 2 days vs weekly) and device support (3 vs 1). 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. HDZap sells 2 in-app purchases, starting at $4.99 per month. MaxTapTime asks for nothing beyond the download.
MaxTapTime ships an update every 2 days, HDZap weekly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | MaxTapTime | HDZap |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 2 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 0 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Keishi Ishimura | Saqoosha |
In-app purchases
MaxTapTime
No in-app purchases
HDZap
- HDZap Premium Monthly$4.991 Month
- HDZap Premium Yearly$44.491 Year








