Comparison

SpiroFit vs SKISENS

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

Head to head
About

SpiroFit

Track key respiratory and heart metrics live during workouts like running or cycling. Analyze professional data for optimal training intensity. Suitable for coaches, professional athletes, and fitness enthusiasts.

Highlights
  • Live respiratory rate tracking
  • Live heart rate monitoring
  • Tidal volume measurement
  • O2 consumption tracking
  • CO2 output tracking
  • Professional data analysis
  • Real-time training feedback
Features
Read full description

What SpiroFit Does Whether you're at home, in the gym, running, or road cycling, SpiroFit lets you track respiratory rate, heart rate, tidal volume, O2 consumption, and CO2 output live. The professional data analysis ensures effective training at the optimal intensity level. Who Is SpiroFit For? SpiroFit offers flexible application for all sports and provides real-time feedback during training. Whether you coach athletes, professional athletes, or fitness enthusiasts, SpiroFit enables you to perform performance analyses whenever and wherever you want.

About

SKISENS

Features
Read full description

Skisens App – Unleash Your True Power on the Snow! Discover the world's first powermeter for cross-country skiing with Skisens App – your comprehensive platform for power-based training, both outdoors and indoors. Whether you’re gliding on snowy trails, roller skiing on road routes, or training on treadmills and ski ergometers, Skisens app is designed to supercharge your performance! Core Features: Power-Based Training: Optimize your performance with precise power metrics tailored specifically for cross-country skiing, whether you're training in the field or indoors. Advanced Force Curve Analysis: Measure and visualize your force distribution with data from the Skisens handle, PM5 Skierg, and PM5 rowing machines. Gain insights to refine your technique and boost efficiency. Seamless Sensor Integration: Effortlessly connect to multiple sensors for a unified, streamlined training experience. Real-Time Data Visualization: Enjoy live data broadcasts in-app and remotely to coaches or friends sitting remotely, or even via activelook glasses so you can stay informed while keeping both hands free. Third-Party Compatibility: Easily sync your performance data with platforms like Strava and other services, making it simple to access and share your achievements. User-Friendly Interface: Navigate your training sessions with ease through an intuitive design, customizable settings, and comprehensive support. Why Choose Skisens App? Skisens App blends advanced power metrics, detailed force analysis, and seamless device connectivity to provide cross-country skiers with the ultimate training tool. Elevate your training, perfect your technique, and unlock your peak performance with the app that truly understands your passion for skiing.

Screenshots

SpiroFit4 screens
SKISENS4 screens

Verdict

The call

The clearest difference is ads: SpiroFit at none against SKISENS's shown. SKISENS's advantage is iOS requirement (15.1 vs 17.6). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on August 25, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 8 level
SpiroFit versus SKISENS: the parameters behind the verdict, then further details
ParameterSpiroFitSKISENS
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.1 — better
Further details — not scored
Size8 MB67 MB
Age rating4+4+
DeveloperSENDSOR GmbHSkisens AB

In-app purchases

None

SpiroFit

No in-app purchases

None

SKISENS

No in-app purchases

Questions

Is SpiroFit free?
SpiroFit is free to download, with no in-app purchases.
Is SKISENS free?
SKISENS is free to download, with no in-app purchases.
Do SpiroFit or SKISENS have ads?
SKISENS shows ads; SpiroFit does not.
Which is updated more often, SpiroFit or SKISENS?
SpiroFit ships an update every 3 weeks, and SKISENS every 3 weeks. Most recently, SpiroFit was updated on August 25, 2026 and SKISENS on September 11, 2026.

Other comparisons