RUN interval vs PT Fit Works
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RUN interval
This app simplifies interval and Fartlek running by allowing you to set custom targets for time or distance during hard, easy, and rest efforts. It offers detailed post-run summaries, audio and visual feedback, and an Apple Watch app for enhanced training.
- Customizable interval sessions
- Time and distance targets
- Distance Goal option
- Audio and visual feedback
- Detailed run summaries
- Apple Watch app
- Strava sharing
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Easily set up and record your Interval and Fartlek running sessions. With the flexibility of using time and/or distance as interval targets for your "Hard", "Easy" and "Rest" efforts. The simple but highly configurable interface on your phone and watch will have you running sooner. Now with a Distance Goal option for your session. Along with great audio and visual feedback, detailed post-run summary, share your runs to Strava, and a full-featured Apple Watch app. You can also record your regular runs with voice-over calling out distance and pace feedback. Key Features: • Easily create flexible custom interval sessions. • Utilize three effort targets "Hard", "Easy" and "Rest" in each set, targeting time or distance (meters or miles). • You can "Skip" any of the three efforts to create flexible sets, like building a progressive intervals session. • NEW: Set a Distance Goal for your session, that repeats the sets from the start until the distance has been reached. • Set a Warm-Up and Warm-Down timer or distance around your session. • Clear and easily glanceable visuals and audio prompts, including vibrations. • Voice-over prompts to save you from looking at the screen, great for iPhone or headphone users. • Voice-over prompts include the upcoming intervals effort and time/distance amount, and your last intervals average pace and heart rate. • Full-featured Apple Watch App! • Heart Rate Zones! (see description below) • Indoor Mode, no GPS, for treadmill running. • Sound Mode, for normal, discrete or silent audio prompts on your watch. • Vibration feedback on both the phone and watch. • Detailed run summary, showing pace for hard and easy efforts. • The run summary also includes interval breakdown, distance breakdown and heart rate details. • Play music or podcasts while running and still hear the audio prompts. • Sharing. Share a summary photo with your friends. • Private data. We don’t send any of your data to a server or share it with anyone. Session Types: • Normal Run – Record a normal run, long or short. • Record Intervals – If you run with a group or do an undefined session, then use the Record Interval option. It allows you to manually change between "Hard" and "Easy" reps, allowing you to record your session. • Custom Intervals – Our fully flexible intervals that allow you to use time and/or distance for the efforts. Add multiple intervals sets together to create the session you want. Sharing: From the summary screen, you can share your runs with friends or across social media. If you want to share directly with friends or across other social media, you can share a summary image with the details of your run. Heart Rate Zones: (Apple Watch Only) Zones are displayed as grouped percentages of your maximum heart rate. Giving you an indication of your current work rate based on your current heart rate. Just enter your maximum workout heart rate into our Settings screen and they will display on your Watch the next time you run. Zone 1: Very Light Effort 50-60% (Gray) Zone 2: Light Effort 60-70% (Blue) Zone 3: Moderate Effort 70-80% (Green) Zone 4: Hard Effort 80-90% (Yellow) Zone 5: Maximum Effort 90-100% (Red) Privacy: We don’t want to know where you have run, that's for you to worry about. We don’t send any of your data to a server or share it with anyone you don't want too. We keep your running records safe in Apple Health so you have control. Apple Heath gives you the control over who accesses your data. We only write and read the data we record from your running. Feedback: And because we don't send any data to a server, we need you to send us feedback and suggestions. Hit the Support link below or visit our website to contact us.
PT Fit Works
This app centralizes workout management, connecting you with your personal trainer. Track progress, view guided exercises with videos, book sessions, and communicate with your trainer for continuous motivation and coaching.
- Book sessions online
- View customized workouts
- Video exercise demonstrations
- Track workout progress
- Communicate with trainer
- Access nutrition tools
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Gone are the days of paper workout cards, journals and spreadsheets, or trying to remember how to do that new bicep exercise your trainer showed you last week. PT Fit Works brings all of these tools together in one app while keeping you connected with your personal trainer for constant motivation and coaching. You can book sessions, receive notifications, view trainer designed workouts with video demonstrations, track progress and communicate with your trainer all from the convenience of your device. Clients and members participating in Corporate Fitness Works personal training services can download this app to elevate their session experience beyond the workout. With the PT Fit Works app, you can: - Book individual or group sessions online - Receive confirmations & reminders - View customized workouts from your trainer - Watch video demonstrations of each exercise - Track workout completion & log your experience - Review results from assessments/evaluations - Set goals & monitor achievements - Send/receive messages with your trainer - Access nutrition tools & resources With PT Fit Works, your personal training experience goes well beyond the start and end of each session. Tools and daily notifications keep you on track with workout goals, while placing the powerful motivation and coaching of your trainer into the palm of your hand.
Screenshots
Verdict
The clearest difference is review sentiment: RUN interval at 77% against PT Fit Works's 0%. RUN interval also leads on rating (4.7 vs 1.9) and ratings volume (1K vs 14). PT Fit Works's advantage is in-app purchases (none vs 2). On price, ads, device support 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. RUN interval sells 2 one-off in-app purchases. PT Fit Works asks for nothing beyond the download.
RUN interval holds the better App Store score, 4.7 against 1.9. That said, the two scores are not equally well evidenced: RUN interval has 1K ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 77% of RUN interval's written reviews are positive against 0% of PT Fit Works's.
RUN interval ships an update every 3 months, PT Fit Works every 6 months. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.
| Parameter | RUN interval | PT Fit Works |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1K ratings) — better | 1.9 (14 ratings) |
| Positive reviews | 77.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 1K — better | 14 |
| Update frequency | Every 3 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 34 MB | 83 MB |
| Age rating | 4+ | 4+ |
| Developer | CAN YOU HEAR ME SOFTWARE | Corporate Fitness Works |
Customer experience
RUN interval
PT Fit Works
In-app purchases
RUN interval
- The full RUN interval$1.99
- The full RUN interval$3.99
PT Fit Works
No in-app purchases
Questions
Is RUN interval free?
Is PT Fit Works free?
Which has better reviews, RUN interval or PT Fit Works?
Do RUN interval or PT Fit Works have ads?
Which is updated more often, RUN interval or PT Fit Works?
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