Lapper vs Karting Lap Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lapper
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Lapper turns your iPhone or iPad into a smart lap timer and real-time audio assistant for all lap-based sports. Whether you're driving, cycling, skating, or running laps, Lapper gives you detailed insights without the need for extra hardware. No complicated setup. No external sensors. Just press start and move. Lapper takes care of the rest—lap detection, timing, audio messages, and data sync happen automatically. - Just drop a start/finish point on the map and begin your session. Lapper automatically detects every lap using GPS with high precision. Under optimal conditions, lap timing is near-perfect. Even with weaker signals, accuracy stays within ±1s. - Get voice feedback in your ears, lap after lap. Choose what type of message to receive—lap time, performance progression, or best lap—and adjust message length for better focus. Stay in your zone while staying informed. - Coach Mode lets you connect live with your coach, spotter, or teammate. Talk in real time and share full session data instantly, over Bluetooth or the internet. It’s like having a pit wall in your pocket. - After your session, review detailed performance data. Compare lap times, progression, and performance deltas. Replay your route from above with satellite view and understand exactly where you gained or lost time. - Lapper also detects performance trends. Whether you're improving, plateauing, or regressing, you’ll see the trend per lap, per session, and across tracks. These trends help you adapt your training and recognize breakthroughs. - Save your tracks and sessions for any sport. Lapper remembers your favorite layouts and lets you build your personal track library, whether you're on a racing circuit, a velodrome, or a loop in the park. Built for iOS and iPadOS, Lapper takes advantage of all Apple technologies and sensors, with no extra dongles, beacons, or wearables needed. Just mount your phone and go. Train smarter. Get faster. One lap at a time. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://lapperapp.com/legal/privacy
Karting Lap Timer
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The karting lap timer for drivers, coaches and teams. Time every lap from trackside with a tap or the volume buttons, run two drivers at once and pull sessions off your MyChron over Wi-Fi. LAP TIMER • One tap to start, one tap per lap — or the volume buttons, so your eyes stay on the kart • Two drivers at once: volume up marks a lap for one, volume down for the other; the same pair again in one tap • Undo the last lap, drop an out-lap from the stats, add a note about the setup • Works offline at the track; the session syncs when you are back online MYCHRON IMPORT (free, no limits) • AiM MyChron 5, 5S and 6 over Wi-Fi, straight to your iPhone — no laptop, no cable • Every session of the day in one run: lap times, top speed and RPM • Out and in laps are left out automatically YOUR PROGRESS • A personal best on every track, marked the moment you beat it • Session breakdown: best, average, spread and top-3 average • Pick the track by name or let GPS find the nearest one; the weather is saved with every session • Time a rival as the second driver — they don't need the app — and see the gap • A D to A+ class among WinLap drivers on the same track and category, once enough of them have raced there • Share a session as an image or a link HISTORY • Free: your 15 most recent sessions on screen. Nothing is deleted — older sessions open with Pro WINLAP PRO • Your full history, every track and season • Personal-best timeline, consistency score and the trend against your last session • Gap Analysis to the track record and every leaderboard • Your rank among the rivals you have timed, and how the gap moves over the season • Monthly digest: sessions, laps, tracks, records Dark or light theme, 9 languages. Pro is an auto-renewing subscription. Plans and prices are shown in the app before you buy. Subscriptions renew unless cancelled at least 24 hours before the end of the current period; payment is charged to your Apple ID at confirmation of purchase. Cancel anytime in your Apple ID settings. AiM and MyChron are trademarks of AiM Tech S.r.l. WinLap is not affiliated with AiM. Privacy Policy: https://winlap.app/privacy-policy Terms of Use: https://winlap.app/terms Support: https://winlap.app/support
Screenshots
Verdict
The clearest difference is update cadence: Karting Lap Timer at every 10 days against Lapper's every 7 months. On price, ads, in-app purchases and device support 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. Lapper sells 2 in-app purchases, starting at $6.99 per month and Karting Lap Timer sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Lapper ships an update every 7 months, Karting Lap Timer every 10 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.
| Parameter | Lapper | Karting Lap Timer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Longwave Studio | Volha Murachova |
In-app purchases
Lapper
- Coach Mode Monthly7 Days trial$6.991 Month
- Coach Mode Yearly7 Days trial$44.991 Year
Karting Lap Timer
- WinLap Pro$2.997 Days
- WinLap Pro7 Days trial$9.991 Month
- WinLap Pro7 Days trial$89.991 Year









