Comparison

BaroTool vs FastR

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

Head to head
About

BaroTool

Measure altitude differences with this accurate altimeter. It can detect even small changes in height, allowing you to reset the zero level for new measurements. Requires a device with a barometer.

Highlights
  • Accurate altitude difference measurement
  • Detects small height changes
  • Reset to zero level function
  • Requires device barometer
Features
Read full description

Want to know at what level a hill is or a tower? Check this very accurate altimeter from a reference level. Capable to measure the difference even if you just raise the device from your waist to your eyes. You may reset to zero level and start a new session. Please note your device must have a barometer. Such as iPhone 6 and later, iPhone SE excluded. Or latest models of iPad (mini 4 or Pro)

About

FastR

Measure your vehicle's acceleration performance with this app. It automatically tests 0-60 and quarter-mile times with millisecond accuracy. Compete with others on a real-time leaderboard and save results for different car models.

Highlights
  • Hands-free, automated acceleration testing
  • 0-60 and Quarter mile time measurement
  • Millisecond accuracy
  • Real-time user ranking
  • Save times for different car models
Features
Read full description

FastR is the #1 vehicle acceleration performance app in the game! Test your vehicle's 0-60 and Quarter mile times, in a hands-free, fully automated manner. You can also post your acceleration times to our leaderboard to earn bragging rights. - Features accuracy to the millisecond - Displays your rank amongst other users in real time - Lets you save acceleration times from different car models See how your vehicle's acceleration performance compares with others.

Screenshots

BaroTool2 screens
FastR4 screens

Verdict

The call

The clearest difference is price: FastR at Free against BaroTool's $0.99. FastR also leads on review sentiment (38% vs 0%) and update cadence (every 5 months vs every 33 months). BaroTool's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement 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

FastR is free to download; BaroTool costs $0.99 up front. FastR sells 2 one-off in-app purchases. BaroTool asks for nothing beyond the download.

UpkeepUpdate frequency

BaroTool ships an update every 33 months, FastR every 5 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
BaroTool versus FastR: the parameters behind the verdict, then further details
ParameterBaroToolFastR
Price$0.99Free — better
Rating—4.4 (319 ratings) — better
Positive reviews0.0% of reviews37.5% of reviews — better
Number of ratings—319 — better
Update frequencyEvery 33 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size0 MB20 MB
Age rating4+4+
DeveloperdomesticusdevelopErhies Fekarurhobo

Customer experience

BaroTool

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

FastR

All ratings290 ratings
Positive82.8%
Neutral6.6%
Negative10.7%
Written reviews72 reviews
Positive37.5%
Neutral15.3%
Negative47.2%

Bugs and requests

BaroTool

Not enough reviews yet to summarise bugs or requests.

FastR

Reported bugs

10 issues
  • Network connection errors preventing vehicle selection
  • Facebook login buffering and not connecting
  • App fails to record and save acceleration times
  • GPS speed readings lag significantly behind actual speed
  • App crashes on launch or during use
Show 5 more
  • Settings not saving properly without login
  • Leaderboard functionality broken
  • App doesn't start recording until vehicle is already at speed
  • Inconsistent timing results on identical driving conditions
  • Loading screen stuck on 'select vehicle' with persistent network errors

Requested features

10 requests
  • GPS-based auto-start feature instead of manual start button
  • Audio cues for 'ready, set, go' countdown
  • Alternative login methods beyond Facebook
  • Save vehicle selection for future sessions
  • Support for multiple vehicles per account
Show 5 more
  • Social media sharing integration
  • In-app instructions and user guide
  • Add missing car models (Tesla Model Y, Russian models, high-spec variants)
  • Allow custom vehicle entry if model not found
  • Real-time sound feedback during acceleration test

In-app purchases

None

BaroTool

No in-app purchases

2 purchases

FastR

One-time2
  • 10 Leaderboard Posts$3.99
  • Unlock 1/4 Mile Timing$5.99

Questions

Is BaroTool free?
BaroTool costs $0.99, with no in-app purchases.
Is FastR free?
FastR is free to download, with in-app purchases available.
Do BaroTool or FastR have ads?
Neither BaroTool nor FastR shows ads.
Which is updated more often, BaroTool or FastR?
BaroTool ships an update every 33 months, and FastR every 5 months. Most recently, BaroTool was updated on October 20, 2026 and FastR on October 24, 2026.

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