Comparison

Sprint Start Recorder vs Casmium Velo Tracker

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

Head to head
About

Sprint Start Recorder

This tool helps track sprint start cues, video, and timing for track and field athletes. It simulates realistic race day sequences with adjustable intervals and records clear videos with embedded stopwatch overlays for reaction time analysis.

Highlights
  • Realistic start cues with gunshot sound
  • Adjustable cue intervals
  • Auto-zoom video recording
  • Clear video quality for form review
  • Embedded stopwatch timer for reaction time
  • Simulates 'On Your Marks, Set, Bang!'
Features
Read full description

The Ultimate Sprint Start Training Tool! Sprint Start Recorder is designed for serious track and field athletes who want to improve their 100m sprint start and reaction time with timed cues, video recording, and stopwatch overlays. This app is available for free. ■ Realistic Start Cues with Loud Gunshot Train like a race day with the sequence: "On Your Marks" → "Set" → Bang! (gunshot) You can freely adjust the interval between each cue to match your training style. ■ Auto-Zoom Camera with Clear Start Videos Capture every moment of your sprint with auto-zoom video recording. Recordings are crystal clear, perfect for reviewing form and reaction. ■ Stopwatch Overlay for Accurate Measurement A stopwatch timer is automatically embedded in your videos for precise reaction time analysis. No extra tools needed — just hit record and run. Recommended For: Track athletes training for the 100m sprint Coaches or athletes looking for recorded start drills with timers Anyone who wants to simulate “On Your Marks → Set → Bang!” in solo practice

About

Casmium Velo Tracker

Measure pitch speeds accurately with your iPhone. Features AI-driven analysis, sport-specific calibration for baseball and softball, and video tools for mechanics comparison. Offers advanced analytics and workload monitoring for training.

Highlights
  • Real-time pitch speed measurement (MPH)
  • AI-driven pitch detection
  • Baseball and softball modes
  • Pitch consistency analytics
  • Automatic video saving
  • Side-by-side video comparison
  • Smart recording guidance
Read full description

Accurate Speed Tracking • Real-time pitch speed measurements in miles per hour (MPH) • AI-driven pitch detection and trajectory analysis • Baseball and softball modes with sport-specific calibration Advanced Analytics (Pro Mode) • Pitch consistency and performance analytics • Session-based analytics and historical tracking • Workload monitoring with training recommendations • Weekly and monthly performance insights Video Tools • Automatic video saving for recorded pitches • Side-by-side video comparison to analyze mechanics and progress Smart Recording Guidance • Built-in setup guidance showing optimal pitcher positioning • Automatic checks to ensure correct pitcher orientation for maximum accuracy Built for Training • Automatic pitch saving and session organization • Streamlined interface for practices, bullpens, and evaluations How It Works Select Baseball or Softball mode Position your iPhone perpendicular (90°) to the pitcher Follow the on-screen setup guidance Record the pitch Instantly receive speed and analytics results Who It’s For • Baseball and softball athletes tracking development • Coaches and pitching instructors running bullpen sessions • Teams monitoring workload and consistency • Scouts and recruiters needing fast, reliable performance data No radar gun required — just your iPhone and Casmium Velo Tracker. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sprint Start Recorder4 screens
Casmium Velo Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: Sprint Start Recorder at none against Casmium Velo Tracker's 1. Sprint Start Recorder also leads on update cadence (every 2 weeks vs every 3 months). Casmium Velo Tracker's advantage is ads (none vs shown). On price, rating, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Casmium Velo Tracker sells 1 in-app purchase, starting at $1.99 per month. Sprint Start Recorder asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Sprint Start Recorder against 5.0 for Casmium Velo Tracker. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Sprint Start Recorder ships an update every 2 weeks, Casmium Velo Tracker every 3 months. The most recent releases landed on October 28, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
Sprint Start Recorder versus Casmium Velo Tracker: the parameters behind the verdict, then further details
ParameterSprint Start RecorderCasmium Velo Tracker
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews85.7% of reviews—
Number of ratings11
Update frequencyEvery 2 weeks — betterEvery 3 months
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhoneiPhone
Requires iOS17.617.0 — better
Further details — not scored
Size32 MB90 MB
Age rating4+4+
DeveloperYuto NagayamaCasmium

Customer experience

Sprint Start Recorder

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

Casmium Velo Tracker

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Sprint Start Recorder

No in-app purchases

1 purchases

Casmium Velo Tracker

Subscriptions1
  • Pro Mode$1.991 Month

Questions

Is Sprint Start Recorder free?
Sprint Start Recorder is free to download, with no in-app purchases.
Is Casmium Velo Tracker free?
Casmium Velo Tracker is free to download, with in-app purchases available.
Which has better reviews, Sprint Start Recorder or Casmium Velo Tracker?
Sprint Start Recorder and Casmium Velo Tracker are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Sprint Start Recorder or Casmium Velo Tracker have ads?
Sprint Start Recorder shows ads; Casmium Velo Tracker does not.
Which is updated more often, Sprint Start Recorder or Casmium Velo Tracker?
Sprint Start Recorder ships an update every 2 weeks, and Casmium Velo Tracker every 3 months. Most recently, Sprint Start Recorder was updated on October 28, 2026 and Casmium Velo Tracker on October 8, 2026.

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