Comparison

Pace Calculator by PL vs HeartFan

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

Head to head
About

Pace Calculator by PL

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From the team behind the award winning Paddle Logger. An easy to use tool for paddlers (by paddlers) to assist with training plans and race targets. Whether you are on a SUP, Kayak, OC, Canoe, Prone Paddleboard or something else. Understanding your speed and how changes in average pace will affect your overall times is very valuable. Simply plug in your desired time and you will get an average pace, and equivalent target times for 2, 5 & 10 km or mile distances. Wondering how different paces and speeds might impact your time - take a look at the new Reference Tables. PL Pace Calc is a Free tool from the team at Paddle Logger. Join tens of thousands of athletes in the Paddle Logger community all over the world!

About

HeartFan

Features
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Control your homekit devices during a workout. HeartFan allows you to control your fans and lights within your house based on your heart rate. This can be especially useful for indoor sports where you want your fan to go up when you start sweating. Also controlling the light when reaching your limits gives you an immersive extra motivation. Simply add the accessories, press start and go! The following services and data is accessed by the app: HealthKit: • Read Resting Heart rate (Optional, by default 60, used as minimum default control value 0%) • Read Date of Birth (Optional, by default 30, calculates the maximum heart rate based on your age, used as maximum control value 100%) • Read Heart rate (To read heart rate during the workout and control your HomeKit accessories between your min and max control value) • Read/Write Workout (To start a workout) HomeKit: • Control fans that have dynamic speed enabled. • Control lights that have brightness enabled.

Screenshots

Pace Calculator by PL4 screens

Verdict

The call

The clearest difference is update cadence: Pace Calculator by PL at every 10 months against HeartFan's every 21 months. HeartFan's advantage is iOS requirement (13.0 vs 15.2). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Pace Calculator by PL ships an update every 10 months, HeartFan every 21 months. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Pace Calculator by PL versus HeartFan: the parameters behind the verdict, then further details
ParameterPace Calculator by PLHeartFan
PriceFreeFree
Update frequencyEvery 10 months — betterEvery 21 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPod, Apple Watch
Requires iOS15.213.0 — better
Further details — not scored
Size1 MB3 MB
Age rating4+4+
DeveloperPaddle Logger Ltd.ritterfeld.com

In-app purchases

None

Pace Calculator by PL

No in-app purchases

None

HeartFan

No in-app purchases

Questions

Is Pace Calculator by PL free?
Pace Calculator by PL is free to download, with no in-app purchases.
Is HeartFan free?
HeartFan is free to download, with no in-app purchases.
Do Pace Calculator by PL or HeartFan have ads?
Neither Pace Calculator by PL nor HeartFan shows ads.
Which is updated more often, Pace Calculator by PL or HeartFan?
Pace Calculator by PL ships an update every 10 months, and HeartFan every 21 months. Most recently, Pace Calculator by PL was updated on September 9, 2026 and HeartFan on September 10, 2026.

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