LETU IMs vs Whistle Performance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LETU IMs
Stay informed about intramural sports schedules and check into games using unique QR codes. This official mobile application provides instant access to all your IM sports information.
- IM Sports schedules
- Game check-in with QR codes
- Instant access to information
- Official app
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The official app for LeTourneau Intramural Sports! Stay up to date with LETU IMs by downloading our mobile app! You will have instant access to IM Sports schedules, check into games with unique QR codes, and much more.
Whistle Performance
This platform helps sports coaches leverage machine learning and predictive analytics to gain actionable insights from performance data. It connects players and coaches to data, allowing for subjective surveys and a unified understanding of team performance.
- Machine learning and predictive analytics
- Actionable performance data insights
- Team workflow optimization
- Player and coach data connection
- Subjective survey input
- Common language for coaching staff
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Whistle Performance (formerly GPS DataViz) is a platform built by coaches for coaches. Our mission is to provide a comprehensive coach friendly machine learning and predictive analytics platform to create a common language among a team’s coaching staff, save coaches an hour+ each day and help them get actionable insight from their performance data. Our app allows players and coaches to connect to their data, fill out subjective surveys and see all the data that drives optimal performance. In a sports world where every little edge matters, we optimize a team’s workflows, freeing up coaches to spend more time where they excel and can maximize their impact: working with and training high performing athletes. Our app is only available to our customers, contact us at info@gpsdataviz.com TODAY to take your team’s performance to the next level!
Screenshots
Verdict
The clearest difference is rating: LETU IMs at 4.5 against Whistle Performance's 3.6. LETU IMs also leads on iOS requirement (9.0 vs 15.1). Whistle Performance's advantage is update cadence (every 2 weeks vs every 37 months). On price, review sentiment, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.
LETU IMs holds the better App Store score, 4.5 against 3.6. Both are backed by a comparable volume of ratings — 19 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
LETU IMs ships an update every 37 months, Whistle Performance every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | LETU IMs | Whistle Performance |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (19 ratings) — better | 3.6 (7 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 19 — better | 7 |
| Update frequency | Every 37 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 57 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | IMLeagues, LLC | GPS DataViz |
Customer experience
LETU IMs
Whistle Performance
In-app purchases
LETU IMs
No in-app purchases
Whistle Performance
No in-app purchases
Questions
Is LETU IMs free?
Is Whistle Performance free?
Which has better reviews, LETU IMs or Whistle Performance?
Do LETU IMs or Whistle Performance have ads?
Which is updated more often, LETU IMs or Whistle Performance?
Other comparisons
