FPV Lap Timer vs Acro Flipbook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FPV Lap Timer
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Your phone is the timing gate. FPV Lap Timer uses your phone's camera to count laps automatically - no transponders, no timing gates, no extra hardware. Mount your phone at the start/finish, line the gate up with the on-screen center line, hit Start, and every time your quad crosses the line a lap is recorded. That's it. Built for FPV, tinywhoops, and drone racing practice, whether you're grinding a backyard gate or dialing in a full track. CAMERA-BASED LAP TIMING • Rear or front camera acts as a stationary lap counter • Real-time motion detection with velocity tracking for clean, reliable crossings • Adjustable detection sensitivity and approach distance to match your spot • Set lap direction and number of laps per run • Voice lap announcements, lap beeps, and haptics so you never have to look at the screen RACE YOUR GHOST • Every session becomes a ghost you can race against • Live beeps and gap callouts tell you if you're ahead or behind your best run • Optional synced audio overlay captured with your run • Set your active ghost and chase your personal best, lap after lap RECORD & SHARE • Screen-record your race with the live HUD and mic audio • Play back and share your runs BUILD YOUR FLEET • Track every quad in your hangar • Log motor size, motor KV, prop type, dry weight, all-up weight, and a photo • Compare setups side by side ANALYTICS THAT ACTUALLY HELP • Session stats: best lap, average, consecutive laps, airtime • Group results by drone, motor, KV, or prop to see what's actually faster • Consistency scoring, leaderboards, and lap-distribution charts • Full history of every session and every lap FREE TO START The lap timer is free - count laps, hear announcements, tune sensitivity, and review per-session stats with one track and one drone. Upgrade once to Premium to unlock: • Unlimited tracks and full fleet management • Ghost recording and racing with synced audio • Advanced analytics across your whole fleet No subscriptions. One-time purchase. Mount it. Start it. Send it.
Acro Flipbook
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Acro Flipbook is a progression tracker for FPV freestyle. Seventy tricks in one dependency tree, so you always know what you can learn right now and what it unlocks next. THE TRICK TREE Every trick sits at its own depth, wired to what it needs. Tap one and the path lights up: all prerequisites, everything it opens, the rest dimmed. Three states only: locked, ready to learn, learned. "What to learn next" centres the simplest trick you can actually fly today. CATALOG Search by name or description, filter by status and by phase. Descriptions stay in pilot slang, not tutorial voice. TRICK CARDS Difficulty, prerequisites, what the trick unlocks, your own notes, and video references you can edit, delete, replace with your own, or reset to the originals in one tap. TRAINING PLAN Built for you: two or three new tricks you are actually ready for, easiest first, bookmarks in front, plus a solid run on whatever the journal says is still shaky. Or build it by hand from the trick card. Learned tricks drop out on their own. SESSION LOG When, where (sim or flight), what you trained and how it went: No luck / Progress / Solid, with a note per trick and one for the whole session. History shows up on the trick card, and after a solid run the app offers to mark the trick learned. 33 AWARDS Six groups: progress through the tree, closed phases, trick difficulty, the journal, consistency, and keeping your data in order. Locked awards show the condition and a progress bar, so you can see what they are for. Every award has its own artwork. OFFLINE, NO ACCOUNT The whole catalogue ships inside the app: 70 tricks, 129 prerequisite links, 41 video references. The internet is only needed to open a video. Progress, notes, journal, plan and awards stay on your device. No sign-up, no backend, no ads. Export and import everything through the clipboard.
Screenshots
Verdict
The clearest difference is in-app purchases: Acro Flipbook at none against FPV Lap Timer's 1. Acro Flipbook also leads on update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement 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. FPV Lap Timer sells 1 one-off in-app purchase. Acro Flipbook asks for nothing beyond the download.
FPV Lap Timer ships an update every 2 weeks, Acro Flipbook every 4 days. The most recent releases landed on September 19, 2026 and September 12, 2026 respectively.
| Parameter | FPV Lap Timer | Acro Flipbook |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 48 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Abdel-Nour | Alexander Shustanov |
In-app purchases
FPV Lap Timer
- Unlimited FPV Lap Timer$14.99
Acro Flipbook
No in-app purchases
Questions
Is FPV Lap Timer free?
Is Acro Flipbook free?
Do FPV Lap Timer or Acro Flipbook have ads?
Which is updated more often, FPV Lap Timer or Acro Flipbook?
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