When Should I Run? vs PaceSync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
When Should I Run?
This app analyzes local weather conditions hour by hour to suggest the best times for your runs. Set your preferred running windows and let it optimize for performance and safety based on temperature, humidity, dew point, and UV index.
- Personalized running window setting
- Hour-by-hour weather analysis
- Performance and safety optimization
- Temperature, humidity, dew point, UV index thresholds
- Meteorologist-informed data
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Ever ask yourself, "When Should I Run?" WSIR takes the guesswork out of choosing your run time. Some of us like to run in the morning, some of us are afternoon runners. Simply set your preferred running window (or two), and WSIR does the rest—analyzing local weather conditions hour by hour to highlight your Best Windows for performance and safety. Built in collaboration with meteorologists who are also passionate runners, WSIR uses proven thresholds for temperature, humidity, dew point, and UV index. Running is tough enough as it is, you do not need the weather impacting you as well. WSIR helps you achieve optimum results by helping you choose the best running times.
PaceSync
This app synchronizes music with your running phases, from warm-up to recovery. Create custom routines, track your progress, and stay focused on your workout with automatically adjusting playlists.
- Music for every running phase
- Automatic phase switching
- Custom run builder
- Accurate run tracking
- Run history and progress view
- Monthly progress view
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PaceSync helps you match music to every running phase, so your runs feel smoother, more focused, and easier to stay consistent with. PaceSync is built for runners who want more structure, better flow, and music that fits each stage of a run. Whether you're starting with a warm up, moving into a steady pace, pushing through intense intervals, or finishing with recovery, PaceSync plays music based on your running phase to help every run feel more intentional. Create your own run routine, set the duration for each phase, and let the app move through your workout automatically. Instead of thinking about what song to play next, you can stay locked into your run while the music follows your plan. App Features Music for Every Running Phase Assign different music to each part of your run, including warm up, medium pace, intense effort, and recovery. PaceSync helps every stage feel more intentional by giving each phase its own sound and energy. Automatic Phase Switching Once your workout begins, PaceSync moves through your planned phases automatically. Your music changes with your run structure, so you can stay focused on the workout instead of managing playlists. Custom Run Builder Create your own running routine based on how you like to train. Set up phase durations, organize your workout flow, and build sessions that match your fitness style, whether you prefer easy runs, intervals, or more structured plans. Accurate Run Tracking Track your runs with accurate pace, distance, and activity data while you move. PaceSync is designed to support real running sessions, helping you understand your performance as you go. Run History & Progress Look back at your previous runs anytime. Review your workouts, stay aware of your routine, and keep building consistency with a clearer view of your activity. Monthly Progress View See how your running adds up over time with an easy view of your monthly progress. It’s a simple way to stay motivated and keep your routine moving forward. Built for Focused Runs PaceSync reduces distractions during workouts by keeping your music organized around your run plan. Just set your phases, start your workout, and stay in the moment. Works Great For ・Interval runs ・Treadmill workouts ・Outdoor running ・Easy runs ・Structured training sessions ・Runners building consistency Perfect for runners who want to ・Match music to each run phase ・Stay focused during workouts ・Build a better running routine ・Track pace and distance accurately ・Need a simple app to track runs and sync music. Note To track runs accurately, PaceSync uses Motion & Fitness and Location access during your workouts. These permissions help the app measure movement, pace, distance, and running progress more accurately. Support: https://sites.google.com/view/shivshankarapps/support Privacy Policy: https://sites.google.com/view/shivshankarapps/pacesync-privacy Terms & Conditions: https://sites.google.com/view/shivshankarapps/terms-conditions
Screenshots
Verdict
The clearest difference is price: PaceSync at Free against When Should I Run?'s $2.99. When Should I Run?'s advantage is rating (5.0 vs 4.0) and in-app purchases (none vs 3). On ratings volume, 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
PaceSync is free to download; When Should I Run? costs $2.99 up front. PaceSync sells 3 in-app purchases, starting at $4.99 per 7 days. When Should I Run? asks for nothing beyond the download.
When Should I Run? holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
| Parameter | When Should I Run? | PaceSync |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 weeks | — |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 2 MB | 109 MB |
| Age rating | 4+ | 9+ |
| Developer | Nick Tomasi | Shivshankar Tiwari |
Customer experience
When Should I Run?
PaceSync
In-app purchases
When Should I Run?
No in-app purchases
PaceSync
- Pacesync Pro - Weekly$4.997 Days
- Pacesync Pro - Monthly$9.991 Month
- Pacesync Pro - Yearly7 Days trial$29.991 Year









