Comparison

Explosive Sprint Timer vs Potionkeep

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

Potionkeep

Features
Read full description

Your meds, vitamins and supplements, as a game you actually want to play. Potionkeep turns everything you take into a potion on your shelf. Drink one and it becomes a live buff: you see it kick in, stay active and wear off, with a countdown and a clear "ready again" time. Your reminder times become daily quests you check off in one tap. Keep your streak burning, earn XP, unlock achievements and climb the ranks. NEVER MISS A DOSE • Daily reminders at the times you choose • Every reminder becomes a quest on your home screen, one tap to check it off • Mark a dose as taken right from the reminder • Snooze, quiet hours, and a soft daily limit that warns but never blocks • Undo, backdate and edit anything KNOW WHAT'S WORKING, RIGHT NOW • Every dose shows its phase: kicking in, active, wearing off, ready • A timeline shows when it kicks in and when it wears off • Each bottle refills as its re-dose wait runs out, so one glance tells you what you can take again A REAL GAME LOOP • XP for every dose, bonus XP for noting how it felt • Day streaks and 17 achievements • Eight ranks, from Novice Brewer to Eternal Sage • Little celebrations when you level up or finish your quests THREE LOOKS, ALL FREE • Arcane: candlelit potions on a night shelf • Neon: a sci-fi reactor console • Daylight: calm, light and clean PRIVATE BY DESIGN • No account, no sign-up, no cloud • Nothing leaves your phone; works in airplane mode • No ads, no trackers, no analytics POTIONKEEP PRO: ONE SMALL UNLOCK, ONCE Ringing alarms with your choice of tone, home and lock-screen widgets, Live Activities, insights and trends, a PDF report you can share, and Face ID app lock. No subscription. Every core feature stays free. Potionkeep is a personal tracking tool. Every timing and value in it is one you enter yourself. It gives no medical advice, no dosing recommendations and no safety guidance. Questions about what you take belong with a healthcare professional.

Screenshots

Explosive Sprint Timer4 screens
Potionkeep4 screens

Verdict

The call

Explosive Sprint Timer and Potionkeep are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 Potionkeep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Explosive Sprint Timer ships an update every 2 weeks, Potionkeep every 3 weeks. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

ScorecardNo meaningful differences
Explosive Sprint Timer versus Potionkeep: the parameters behind the verdict, then further details
ParameterExplosive Sprint TimerPotionkeep
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size92 MB34 MB
Age rating4+4+
DeveloperExplosive ASVirtual Verse Studio LLC

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
1 purchases

Potionkeep

One-time1
  • Potionkeep Pro$4.99

Questions

Is Explosive Sprint Timer free?
Explosive Sprint Timer is free to download, with in-app purchases available.
Is Potionkeep free?
Potionkeep is free to download, with in-app purchases available.
Do Explosive Sprint Timer or Potionkeep have ads?
Neither Explosive Sprint Timer nor Potionkeep shows ads.
Which is updated more often, Explosive Sprint Timer or Potionkeep?
Explosive Sprint Timer ships an update every 2 weeks, and Potionkeep every 3 weeks. Most recently, Explosive Sprint Timer was updated on October 24, 2026 and Potionkeep on October 16, 2026.

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