Comparison

Pace vs Runtools Calc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Instant pace and speed conversion
  • Finish time calculator for various distances
  • Race strategy planning with splits
  • Support for miles and kilometers
  • Apple Watch compatibility
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Pace4 screens
Runtools Calc4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Pace sells 1 one-off in-app purchase. Runtools Calc asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Pace ships an update every 6 weeks, Runtools Calc fortnightly. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

Scorecard8 real differences · 2 level
Pace versus Runtools Calc: the parameters behind the verdict, then further details
ParameterPaceRuntools Calc
PriceFreeFree
Rating4.7 (386 ratings)5.0 (5 ratings) — better
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings386 — better5
Update frequencyEvery 6 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.615.6 — better
Further details — not scored
Size16 MB1 MB
Age rating4+4+
DeveloperSkipjack Studios, LLCLadarius tellis

Customer experience

Pace

All ratings386 ratings
Positive92.2%
Neutral2.8%
Negative4.9%
Written reviews28 reviews
Positive75.0%
Neutral7.1%
Negative17.9%

Runtools Calc

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

1 purchases

Pace

One-time1
  • Pace Pro$4.99
None

Runtools Calc

No in-app purchases

Questions

Is Pace free?
Pace is free to download, with in-app purchases available.
Is Runtools Calc free?
Runtools Calc is free to download, with no in-app purchases.
Which has better reviews, Pace or Runtools Calc?
Runtools Calc is rated higher. Pace averages 4.7 out of 5 from 386 ratings, while Runtools Calc averages 5.0 from 5 ratings.
Do Pace or Runtools Calc have ads?
Pace shows ads; Runtools Calc does not.
Which is updated more often, Pace or Runtools Calc?
Pace ships an update every 6 weeks, and Runtools Calc fortnightly. Most recently, Pace was updated on October 20, 2026 and Runtools Calc on October 13, 2026.

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