Comparison

Stages Flight vs SpiroFit

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

Head to head
About

Stages Flight

Track indoor and outdoor fitness activities like cycling, running, and hiking. Monitor distance, speed, time, heart rate, and power. Set goals, view workout history, and share achievements with friends.

Highlights
  • GPS tracking for indoor/outdoor activities
  • Detailed workout metrics (distance, speed, time)
  • Heart rate and power measurement
  • Workout calendar and progress tracking
  • Social sharing of activities
Features
Read full description

Sign up for the best visual, motivating experience you ever had. Stages Flight lets you track your indoor bike rides, runs, walks, outdoor bike rides, hikes, and more using the GPS in your iPhone. Track your workouts wherever you are! - See detailed information of your distance, speed and time. - Measure your heart rate and power inside the gym with Stages Flight group system or with available sensors for your iPhone. Track your performance and improve your fitness - See a detailed calendar with all your workouts - Track your progress against your goals and challenges. Share with friends - Post your activities, achievements and plans to Facebook, and your friends on VismoX.com. Note: Continued use of GPS running in the background can dramatically decrease battery life.

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.

Screenshots

Stages Flight3 screens
SpiroFit4 screens

Verdict

The call

The clearest difference is review sentiment: SpiroFit at 100% against Stages Flight's 11%. SpiroFit also leads on rating (5.0 vs 4.3). Stages Flight's advantage is ratings volume (446 vs 1) and iOS requirement (9.0 vs 17.6). On price, update cadence, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

SpiroFit holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Stages Flight has 446 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 11% of Stages Flight's written reviews are positive against 100% of SpiroFit's.

UpkeepUpdate frequency

Stages Flight ships an update every 4 weeks, SpiroFit every 3 weeks. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Stages Flight versus SpiroFit: the parameters behind the verdict, then further details
ParameterStages FlightSpiroFit
PriceFreeFree
Rating4.3 (446 ratings)5.0 (1 ratings) — better
Positive reviews11.4% of reviews100.0% of reviews — better
Number of ratings446 — better1
Update frequencyEvery 4 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS9.0 — better17.6
Further details — not scored
Size22 MB8 MB
Age rating4+4+
DeveloperSPIA Cycling IncSENDSOR GmbH

Customer experience

Stages Flight

All ratings446 ratings
Positive80.3%
Neutral9.4%
Negative10.3%
Written reviews79 reviews
Positive11.4%
Neutral11.4%
Negative77.2%

SpiroFit

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Stages Flight

Reported bugs

4 issues
  • App crashes during sign-up
  • Inconsistent data between app and bike console
  • Heart rate monitor not working
  • Inability to save/upload workout data

Requested features

4 requests
  • Landscape mode
  • Better integration with Apple Watch
  • Improved data sync and transfer to other apps
  • More detailed workout summaries and analytics

SpiroFit

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Stages Flight

No in-app purchases

None

SpiroFit

No in-app purchases

Questions

Is Stages Flight free?
Stages Flight is free to download, with no in-app purchases.
Is SpiroFit free?
SpiroFit is free to download, with no in-app purchases.
Which has better reviews, Stages Flight or SpiroFit?
SpiroFit is rated higher. Stages Flight averages 4.3 out of 5 from 446 ratings, while SpiroFit averages 5.0 from 1 ratings.
Do Stages Flight or SpiroFit have ads?
Neither Stages Flight nor SpiroFit shows ads.
Which is updated more often, Stages Flight or SpiroFit?
Stages Flight ships an update every 4 weeks, and SpiroFit every 3 weeks. Most recently, Stages Flight was updated on October 23, 2026 and SpiroFit on October 10, 2026.

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