Comparison

MaxTapTime vs HDZap

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

HDZap

Features
Read full description

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

MaxTapTime1 screens
HDZap3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. HDZap sells 2 in-app purchases, starting at $4.99 per month. MaxTapTime asks for nothing beyond the download.

UpkeepUpdate frequency

MaxTapTime ships an update every 2 days, HDZap weekly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 4 level
MaxTapTime versus HDZap: the parameters behind the verdict, then further details
ParameterMaxTapTimeHDZap
PriceFreeFree
Positive reviews50.0% of reviews—
Update frequencyEvery 2 days — betterWeekly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.0
Further details — not scored
Size0 MB2 MB
Age rating4+4+
DeveloperKeishi IshimuraSaqoosha

In-app purchases

None

MaxTapTime

No in-app purchases

2 purchases

HDZap

Subscriptions2
  • HDZap Premium Monthly$4.991 Month
  • HDZap Premium Yearly$44.491 Year

Questions

Is MaxTapTime free?
MaxTapTime is free to download, with no in-app purchases.
Is HDZap free?
HDZap is free to download, with in-app purchases available.
Do MaxTapTime or HDZap have ads?
Neither MaxTapTime nor HDZap shows ads.
Which is updated more often, MaxTapTime or HDZap?
MaxTapTime ships an update every 2 days, and HDZap weekly. Most recently, MaxTapTime was updated on November 4, 2026 and HDZap on October 31, 2026.

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