Pace vs Runtools Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pace
This app helps runners plan their races by calculating pace and speed. It provides instant conversions and displays finish times for various race distances, from short sprints to ultra-marathons. Users can also plan race strategies with detailed splits and switch between metric and imperial units.
- Instant pace and speed conversion
- Finish time calculator for various distances
- Race strategy planning with splits
- Support for miles and kilometers
- Apple Watch compatibility
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Pace helps runners plan races with clear targets, fast conversions, and practical split strategies. Enter your target pace or speed and instantly convert between them, then see projected finish times across popular distances from 400m and the mile to 5K, 10K, Half Marathon, Marathon, 50K, 50 Mile, and 100 Mile. What you can do - Convert pace and speed instantly - Enter a goal finish time to see the pace you need - View finish times across short, long, and ultra distances - Plan even, negative, or positive splits - Add custom race distances in meters, kilometers, or miles - Switch between miles and kilometers - Use quick slider controls or manual pace entry - Ask Siri for a finish time, or for the pace at a treadmill speed - Use Pace on Apple Watch with Digital Crown support Pace Pro A one-time purchase that removes ads and adds finish time widgets for your Home Screen and Lock Screen, plus splits in Siri answers. Whether you are training for a 5K, marathon, or 100-miler, Pace gives you fast, reliable numbers for smarter race planning.
Runtools Calc
This app simplifies running calculations for athletes and coaches. It accurately computes splits, pace, and performance metrics in a clear format, offering VO₂ max calculations and preset race distances. Train smarter with precise data without unnecessary complexity.
- Calculate splits for any distance and total time
- View pace in multiple units (min/mi, min/km, mph, km/h)
- Accurate pace formatting
- Preset distances for common races
- VO₂ calculator with fitness insight
- Clean, readable layout for quick reference
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RunTools Calc is a free training calculator built for runners and coaches who care about accuracy. Most running apps overcomplicate simple math. RunTools Calc focuses on what actually matters: splits, pace, and performance clarity—presented in a clean, readable format. Features • Calculate splits for any distance and total time • View pace in min/mi, min/km, mph, and km/h • Simple vertical split layout designed for quick reference • Accurate pace formatting (no broken times like 3:60) • Preset distances including Mile, 8K, 10 Mile, 15K, Half Marathon, and Marathon • VO₂ calculator with fitness-level insight • Built for athletes, coaches, and serious training Whether you’re planning workouts, checking race pace, or coaching athletes, RunTools Calc gives you the numbers you need—without noise. Train smarter. Run with precision.
Screenshots
Verdict
The clearest difference is in-app purchases: Runtools Calc at none against Pace's 1. Runtools Calc also leads on ads (none vs shown) and review sentiment (100% vs 75%). Pace's advantage is ratings volume (386 vs 5). On price and device support 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. Pace sells 1 one-off in-app purchase. Runtools Calc asks for nothing beyond the download.
Runtools Calc holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Pace has 386 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 75% of Pace's written reviews are positive against 100% of Runtools Calc's.
Pace ships an update every 6 weeks, Runtools Calc fortnightly. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.
| Parameter | Pace | Runtools Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (386 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 386 — better | 5 |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 18.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 16 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Skipjack Studios, LLC | Ladarius tellis |
Customer experience
Pace
Runtools Calc
Bugs and requests
Pace
Reported bugs
5 issues- Paces are off compared to online calculators
- Algorithm for speed/distance calculation is incorrect
- Pace display doesn't change correctly when using km/h
- Results for marathon are not visible on iPhone 14 Pro Max
- Half marathon distance displayed incorrectly in overview
Requested features
5 requests- Add custom distance input
- Include shorter track distances (e.g., 200m, 400m, 800m, 1500m, 1600m)
- Make default goal time distance configurable
- Ability to print chosen time line of partials
- Improve visibility of marathon results on smaller screens
Runtools Calc
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Pace
- Pace Pro$4.99
Runtools Calc
No in-app purchases








