Heat 1 vs IntervalPro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Heat 1
Engage in functional fitness competitions by predicting athlete performance. Participate in leagues and thrilling game types like Top 10 and Shot Caller to earn points and test your sports strategy.
- Follow functional fitness competitions
- Participate in leagues
- Top 10 athlete prediction game
- Shot Caller pick-per-event game
- Earn points based on predictions
- Real-time engagement
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Immerse yourself in functional fitness competitions with Heat 1! Our app lets you not only follow the action but actively participate in the excitement. Join leagues in Heat 1 and engage in thrilling game types: Top 10: Select the top 10 male and female athletes you believe will dominate the competition. Earn points based on the accuracy of your predictions and see how your choices stack up against the actual results. Shot Caller: Step into the shoes of a strategist with this pick-per-event game. For each event, choose 5 athletes and accumulate points based on their performance in the event. Don't just spectate, be a part of the action! Download our app now with interactive gameplay and real-time engagement.
IntervalPro
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IntervalPro - Your Personal Interval Timer IntervalPro is your all-in-one interval training companion for HIIT, Tabata, EMOM, AMRAP, and now Running. Whether you are crushing a 20-second Tabata round or building up to your first 5K with walk-and-jog intervals, IntervalPro keeps you on track with smart timers, audio cues, and cloud backup to keep your data safe across all your devices. Transform your workouts with IntervalPro, the ultimate high-intensity interval training companion. Design custom HIIT workouts, stay motivated with audio cues, and track your progress over time. KEY FEATURES: • Custom Workout Builder - Create unlimited HIIT workouts tailored to your fitness level • Smart Timer - Visual and audio cues keep you focused during work and rest intervals • 50+ Pre-built Templates - From beginner to advanced, including classic Tabata • Progress Tracking - Monitor your workout streak and completion rates • Workout History - Review past sessions and track improvements • Multilingual Support - Available in English, Spanish, and Portuguese FREE FEATURES: • Create up to 3 custom workouts • Access to all pre-built templates • Full timer functionality with audio cues • 30-day workout history • Basic statistics PREMIUM FEATURES ($3.99/month or $29.99/year): • Unlimited custom workouts • Complete workout history • Advanced statistics and insights • Ad-free experience • Priority support Perfect for: • HIIT enthusiasts • Tabata training • Circuit training • Cardio workouts • Home fitness • Gym workouts Whether you're a beginner starting your fitness journey or an advanced athlete looking to optimize your training, IntervalPro adapts to your needs. Our intelligent timer handles all the counting so you can focus on pushing your limits. Download IntervalPro today and take your fitness to the next level! --- SUBSCRIPTION INFORMATION: • Monthly: $3.99/month • Yearly: $29.99/year (Save 38%) • Payment charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period • Account charged for renewal within 24 hours prior to the end of the current period • Subscriptions managed by user; auto-renewal may be turned off in Account Settings after purchase • No cancellation of current subscription allowed during active subscription period Terms of Use: https://intervalpro-website.onrender.com/terms.html
Screenshots
Verdict
The clearest difference is in-app purchases: Heat 1 at none against IntervalPro's 3. Heat 1 also leads on ads (none vs shown). IntervalPro's advantage is device support (3 vs 1). On price, update cadence and iOS requirement 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. IntervalPro sells 3 in-app purchases, starting at $1.99 per month. Heat 1 asks for nothing beyond the download.
Heat 1 ships an update every 5 days, IntervalPro every 3 days. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.
| Parameter | Heat 1 | IntervalPro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (47 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 47 — better | — |
| Update frequency | Every 5 days | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 69 MB |
| Age rating | 4+ | 12+ |
| Developer | Adam Ambrosius | TwinSoftware |
In-app purchases
Heat 1
No in-app purchases
IntervalPro
- Premium Monthly$1.991 Month
- Premium Yearly$9.991 Year
- IntervalPro Lifetime$19.99









