Comparison

HeyBLU 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

HeyBLU

This app transforms your iPhone into an objective strike zone for youth baseball and softball. It provides live audio calls for balls and strikes, tracks pitch data, and helps develop pitcher command and batter's eye.

Highlights
  • Live audio ball/strike calls
  • Adjustable strike zone
  • Pitch heatmaps and logs
  • Estimated velocity tracking
  • Command effectiveness rating
  • Pitcher performance tracking
  • Batter's eye development tool
Read full description

HeyBLU is a live, objective strike zone for youth baseball and fastpitch softball. Mount your phone, set the zone, and hear live “BALL” or “STRIKE” the moment the pitch crosses the plate. Make your next bullpen count with BLU/Big League Umpire. No radar gun. No sensors in balls. No cell service or Wi‑Fi required. Built for any outdoor field including your backyard. AFFORDABLE PRECISION TECH Train command with your bullpen umpire what it costs to hire one umpire, or one pitching lesson. Bucket Dads, Diamond Moms, Pitching Coaches and teams, track your progress with heatmap reports after every bullpen. ESTABLISH COMMAND Size the strike zone, hit your target, hear instant BALL or STRIKE through your iPhone, or connect a Bluetooth speaker, or earbuds. Train to Your Zone: HeyBLU's zone is adjustable to make it more or less challenging to get strikes, or to match the zone you expect on game day. Every Pitch Tells a Story: Heatmaps in both 2D and 3D Replays, just like the Pors. Every pitch logs plate-crossing location, pitch count, and estimated velocity. NEW IN THIS VERSION • Share reports straight to Instagram. • Sharper fastpitch softball calls. • Spreadsheet data now in feet and inches. Keep the suggestions coming — HeyBLU gets better with every bullpen SELECT YOUR SPORT: Baseball & plus 11-inch or 12-inch softball tracking. Follow Live: With a 2nd iPhone or iPad fans can follow along. COMMAND TRAINING TOOL With a 2nd iPhone or iPad coaches or player can pick the intended location before the pitch. HeyBLU compares result to target and builds a sharable command rating report. Earn Your Innings: Save and compare pitcher performance over time to see who hits their spots. Solo Bullpens: Get instant audio feedback while throwing alone. Batter’s Eye: Give hitters a consistent zone so plate discipline isn’t “close enough.” Umpire Training: An objective reference for aspiring umpires — we empower umpires; we don’t replace them. START YOUR 14-DAY FREE TRIAL. Not at the field yet? Download, select a reminder, and your trial doesn't begin until you're ready. Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Manage or cancel in Account Settings. Any unused portion of a free trial is forfeited when you purchase a subscription. Privacy Policy: https://www.heyblu.ai/privacy Terms of Use: https://www.heyblu.ai/terms

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

HeyBLU4 screens
Casmium Velo Tracker4 screens

Verdict

The call

The clearest difference is monetization model: Casmium Velo Tracker at freemium against HeyBLU's subscription. HeyBLU's advantage is update cadence (every 8 days vs every 3 months) and ratings volume (21 vs 1). On price, rating, 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. HeyBLU sells 4 in-app purchases, starting at $4.99 per month and Casmium Velo Tracker sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for HeyBLU against 5.0 for Casmium Velo Tracker. That said, the two scores are not equally well evidenced: HeyBLU has 21 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

HeyBLU ships an update every 8 days, Casmium Velo Tracker every 3 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
HeyBLU versus Casmium Velo Tracker: the parameters behind the verdict, then further details
ParameterHeyBLUCasmium Velo Tracker
PriceFreeFree
Rating5.0 (21 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings21 — better1
Update frequencyEvery 8 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFreemium — better
DevicesiPhone, iPad — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size78 MB90 MB
Age rating4+4+
DeveloperBig League Ballpark, IncCasmium

Customer experience

HeyBLU

All ratings19 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Casmium Velo Tracker

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

In-app purchases

4 purchases

HeyBLU

Subscriptions4
  • Pro Monthly14 Days trial$4.991 Month
  • HeyBLU Pro Monthly14 Days trial$12.991 Month
  • Pro Annual14 Days trial$49.991 Year
Show 1 more
  • HeyBLU Pro14 Days trial$79.991 Year
1 purchases

Casmium Velo Tracker

Subscriptions1
  • Pro Mode$1.991 Month

Questions

Is HeyBLU free?
HeyBLU is free to download, with in-app purchases available.
Is Casmium Velo Tracker free?
Casmium Velo Tracker is free to download, with in-app purchases available.
Which has better reviews, HeyBLU or Casmium Velo Tracker?
Casmium Velo Tracker is rated higher. HeyBLU averages 5.0 out of 5 from 21 ratings, while Casmium Velo Tracker averages 5.0 from 1 ratings.
Do HeyBLU or Casmium Velo Tracker have ads?
Neither HeyBLU nor Casmium Velo Tracker shows ads.
Which is updated more often, HeyBLU or Casmium Velo Tracker?
HeyBLU ships an update every 8 days, and Casmium Velo Tracker every 3 months. Most recently, HeyBLU was updated on October 30, 2026 and Casmium Velo Tracker on October 28, 2026.

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