Comparison

Explosive Sprint Timer vs Leg It!

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

Head to head
About

Explosive Sprint Timer

This app provides frame-accurate sprint timing directly from video, eliminating the need for stopwatches. Analyze performance with professional timer overlays and benchmark results against other athletes worldwide. It's designed for serious performance testing across various sports.

Highlights
  • Frame-accurate sprint timing
  • Professional timer overlay export
  • On-device video processing
  • Benchmark against global athletes
  • Track speed improvements
  • Supports various sprint and shuttle drills
Features
Read full description

TRAIN LIKE IT MATTERS. Explosive Sprint Timer is a high-precision sprint timer built for serious performance testing. Measure every sprint test and speed test with frame-by-frame accuracy — directly from video. No stopwatches. No guessing. Just consistent, professional sprint timing. Import a video, select the exact start and finish frames, and generate a clean timer overlay ready to export and share. Then log your result to Explosive Score — and see how you rank against thousands of athletes worldwide. THE SMARTER SPRINT TIMER Explosive Sprint Timer is ideal for: • 40 yard dash timing • Acceleration and flying sprint tests • Shuttle run timing (5-10-5, agility drills) • Soccer speed testing • Football speed test and combine drills • Baseball sprint testing • Basketball speed and conditioning work • Track and field sprint analysis Whether you're training on grass, turf, court, or track, this sprint timer adapts to any sport. HOW IT WORKS 1. Record your sprint using your phone's camera (e.g. 120/240 fps). 2. Import the clip and select precise start and finish frames. 3. Export a professional timer overlay — ready to review or share. 4. Log your result to Explosive Score and track your progress over time. KEY FEATURES • Frame-accurate sprint timing • Precision based on your video frame rate (e.g. ~0.004s per frame at 240 fps) • Professional timer overlay burned into exported videos • Fast workflow: import → select → export • Benchmark your results against thousands of athletes worldwide • Track your development and see improvements over time • Designed for consistent sprint test and speed test results • Share instantly via your device BUILT FOR COACHES, TEAMS AND ATHLETES Use Explosive Sprint Timer to: • Track speed improvements over time • Benchmark results against thousands of athletes globally • Compare sprint test results across sessions and athletes • Analyze acceleration and top speed • Standardize shuttle run timing across sessions • Deliver clear performance feedback PRIVACY-FIRST DESIGN • No accounts required to time sprints • No data collection • All video processing happens on-device Your sprint videos stay on your phone. Result logging to Explosive Score is optional and always in your control. SUBSCRIPTION Explosive Sprint Timer is available via subscription. Payment and subscription management are handled securely through your Apple ID. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Leg It!

Track your sprint speed in real-time with GPS and receive personalized AI coaching. Compete in weekly tournaments, duels, and relays, and see your health improvements visualized on an anatomical body map. Earn rewards and unlock customizations as you progress.

Highlights
  • Real-time GPS sprint tracking
  • Phone-free Apple Watch app
  • AI-powered personalized coaching
  • Structured multi-sprint circuits
  • Weekly competitions and duels
  • Health impact visualization
  • Science-backed training programs
Features
Read full description

Leg It! — GPS Sprint Tracker, Speed Competitions & Coach Platform How fast can you actually run? Leg It! gives you a real answer. GPS-powered sprint tracking measures your exact speed in real time — then gives you everything you need to go faster. Here's what's inside: • Sprint from your wrist — the Leg It! Apple Watch app tracks your real GPS speed completely phone-free. Run a free sprint, take on a circuit, compete in a tournament, accept a duel, or join a relay — all from your watch, without ever touching your phone. • Know your speed — sprint tracking captures your exact pace in real time. No guessing, no estimates. Just your actual numbers, every run. • Run circuits — structured multi-sprint sessions with built-in rest timers. Track peak speed, average pace, and fade — then compare every session to your last so you can see yourself getting faster. Available on both iPhone and Apple Watch. • Get coached after every run — your AI coach analyzes each sprint and delivers personalized feedback on what's working and what to fix. Like having a coach in your pocket, every single run. • See your health impact — every sprint shows up on an anatomical body map tracking gains across cardio fitness, bone strength, fat burning, mental clarity, and muscle power. Watch your Health Score climb as training adds up. • Compete every week — weekly tournaments, 1v1 duels, relay races, school leaderboards, and a 33-animal speed challenge give you something to run for every single day. Challenge friends to duels and join relay teams directly from your Apple Watch. • Earn your tier — your PR speed earns you a tier from Rookie to Legend. Sprint consistently to master each level and unlock bonus XP rewards. • Earn bolts, unlock rewards — every sprint earns bolts you can spend in the Bolt Store. Customize your experience with animated speed trail skins, profile frames, badges, and full app themes. Collect rare Animal Card Packs — each pack contains 3 serialized collectible cards across Silver, Gold, Legendary, and Black rarity tiers. Pro subscribers earn 1.5x bolts on every sprint and receive a free Mystery Pack every Monday. • Invite friends, earn together — share your personal referral link and you both earn 250 bolts when your friend completes their first sprint. Find it on your profile under Invite Friends. • Train with a program — six science-backed training programs take you from beginner acceleration to max velocity, with a day-by-day plan to follow, track, and complete. • Coach your athletes — stop chasing athletes for updates. Leg It! gives speed coaches a full platform to see every athlete's sprint data as it happens, track detailed progress analytics across your roster, schedule sessions, and assign both training programs and individual drills — all from one dashboard. Share one invite link and your team is in. No spreadsheets. No group chats. No guesswork. Privacy Policy: https://thelegitapp.run/privacy Terms of Use: https://thelegitapp.run/terms

Screenshots

Explosive Sprint Timer4 screens
Leg It!4 screens

Verdict

The call

The clearest difference is rating: Leg It! at 5.0 against Explosive Sprint Timer's 1.0. Leg It! also leads on monetization model (free with in-app purchases vs subscription) and ratings volume (6 vs 1). Explosive Sprint Timer's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and in-app purchases 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. Explosive Sprint Timer sells 11 in-app purchases, starting at $3.99 per 7 days and Leg It! sells 8 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Leg It! holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Leg It! has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Explosive Sprint Timer ships an update every 2 weeks, Leg It! weekly. The most recent releases landed on September 21, 2026 and September 28, 2026 respectively.

Scorecard4 real differences · 6 level
Explosive Sprint Timer versus Leg It!: the parameters behind the verdict, then further details
ParameterExplosive Sprint TimerLeg It!
PriceFreeFree
Rating1.0 (1 ratings)5.0 (6 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings16 — better
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPodiPhone, iPod, Apple Watch — better
Requires iOS13.0 — better15.1
Further details — not scored
Size99 MB162 MB
Age rating4+12+
DeveloperExplosive ASLightwave Labs Limited Liability Company

Customer experience

Explosive Sprint Timer

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Leg It!

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

11 purchases

Explosive Sprint Timer

Subscriptions11
  • Weekly Plan$3.997 Days
  • Try Free • Weekly1 Month trial$3.997 Days
  • Try Free • Weekly3 Days trial$3.997 Days
Show 8 more
  • Try Free • Weekly7 Days trial$3.997 Days
  • Try Free • Monthly1 Month trial$8.991 Month
  • Try Free • Monthly3 Days trial$8.991 Month
  • Try Free • Monthly7 Days trial$8.991 Month
  • Try Free • Annual3 Days trial$44.991 Year
  • Annual Plan$49.991 Year
  • Try Free • Annual1 Month trial$49.991 Year
  • Try Free • Annual7 Days trial$49.991 Year
8 purchases

Leg It!

Subscriptions5
  • Leg It! Pro Monthly$3.991 Month
  • Coach - Starter1 Month trial$9.991 Month
  • Coach Team1 Month trial$24.991 Month
Show 2 more
  • Leg It! Pro7 Days trial$34.991 Year
  • Coach Program$49.991 Month
One-time3
  • Extra Attempts$0.99
  • +1 Sprint Attempt$0.99
  • Leg It! Pro$79.99

Questions

Is Explosive Sprint Timer free?
Explosive Sprint Timer is free to download, with in-app purchases available.
Is Leg It! free?
Leg It! is free to download, with in-app purchases available.
Which has better reviews, Explosive Sprint Timer or Leg It!?
Leg It! is rated higher. Explosive Sprint Timer averages 1.0 out of 5 from 1 ratings, while Leg It! averages 5.0 from 6 ratings.
Do Explosive Sprint Timer or Leg It! have ads?
Neither Explosive Sprint Timer nor Leg It! shows ads.
Which is updated more often, Explosive Sprint Timer or Leg It!?
Explosive Sprint Timer ships an update every 2 weeks, and Leg It! weekly. Most recently, Explosive Sprint Timer was updated on September 21, 2026 and Leg It! on September 28, 2026.

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