Comparison

Gear Calculator Plus vs Imagination Configuration

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

Head to head
About

Gear Calculator Plus

Calculate a car's theoretical speed in any gear based on engine RPM, transmission, differential ratios, and tire size. It can also determine travel distance per engine revolution and estimate top speed for each gear. Supports both metric and imperial units.

Highlights
  • Calculate theoretical speed per gear
  • Calculate travel distance per engine revolution
  • Determine top speed for each gear
  • Metric or Imperial units
  • Universal app for iPhone and iPad
Features
Read full description

Gear Ratio Speed Calculator. With the gear ratios of the transmission and differential, and the size of the tires, it becomes possible to calculate the speed of the car for a particular gear at a particular engine RPM. Features: Calculate theoretical speed for a car for each of its gear ratios. Calculate travel distance for each engine revolution. Use maximum RPM to figure top speed for each gear. Metric or Imperial units for selection. Universal app for both iPhone and iPad. Axle ratio are similar as Final Drive Ratio. If a car has less than 6 gears, only enter the ratios that apply. Note that you will get unreal speeds for overdrive gears. This is because in reality top speed is physically limited by it power or by aerodynamic drag. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

About

Imagination Configuration

Configure your VTX Stealth Race video transmitter via Bluetooth. Adjust power levels, frequencies, and activate HEATAWAY technology. Supports pitmode, normal, and no-power start-up modes for versatile race preparation.

Highlights
  • Configure power level and frequency
  • Activate HEATAWAY technology
  • Select start-up modes (Pitmode, No-power, Normal)
  • Change device name and password
  • Automatic reconnection
  • Set default VTx settings
Features
Read full description

You are now able to configure power level, frequency as well as HEATAWAY technology for the VTx Stealth Race via Bluetooth. Supported Equipment: - Furious FPV Stealth Race video transmitter. Features: - Select channels and bands - Turn on/off HEATAWAY function - Select start-up mode: Pitmode/No-power/Normal - Change device’s name and password for VTx - Automatically reconnect after interruption After connecting your VTx Stealth Race with your IOS device: - Profile: change name (12 letters) and password ( 6 numerical letters) - Freestyle: full channels and power up to 200mW - Racing style: use for fixed race band in tournament and standard power level of 25mW. Besides, you can also select and set the default settings for VTx in the next race. Simple press SET and your setting will be updated to VTx swiftly.

Screenshots

Gear Calculator Plus4 screens
Imagination Configuration4 screens

Verdict

The call

The clearest difference is review sentiment: Imagination Configuration at 100% against Gear Calculator Plus's 0%. Imagination Configuration also leads on price (Free vs $2.99) and rating (5.0 vs 3.6). Gear Calculator Plus's advantage is ratings volume (5 vs 1). On ads, 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

Imagination Configuration is free to download; Gear Calculator Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Imagination Configuration holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Gear Calculator Plus has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Gear Calculator Plus's written reviews are positive against 100% of Imagination Configuration's.

UpkeepUpdate frequency

Gear Calculator Plus ships an update every 29 months, Imagination Configuration monthly. Both last shipped on October 24, 2026.

Scorecard7 real differences · 3 level
Gear Calculator Plus versus Imagination Configuration: the parameters behind the verdict, then further details
ParameterGear Calculator PlusImagination Configuration
Price$2.99Free — better
Rating3.6 (5 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings5 — better1
Update frequencyEvery 29 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1310.0 — better
Further details — not scored
Size1 MB28 MB
Age rating4+4+
DeveloperNitrioNguyen Le Bich Tuyen

Customer experience

Gear Calculator Plus

All ratings5 ratings
Positive60.0%
Neutral20.0%
Negative20.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Imagination Configuration

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

In-app purchases

None

Gear Calculator Plus

No in-app purchases

None

Imagination Configuration

No in-app purchases

Questions

Is Gear Calculator Plus free?
Gear Calculator Plus costs $2.99, with no in-app purchases.
Is Imagination Configuration free?
Imagination Configuration is free to download, with no in-app purchases.
Which has better reviews, Gear Calculator Plus or Imagination Configuration?
Imagination Configuration is rated higher. Gear Calculator Plus averages 3.6 out of 5 from 5 ratings, while Imagination Configuration averages 5.0 from 1 ratings.
Do Gear Calculator Plus or Imagination Configuration have ads?
Neither Gear Calculator Plus nor Imagination Configuration shows ads.
Which is updated more often, Gear Calculator Plus or Imagination Configuration?
Gear Calculator Plus ships an update every 29 months, and Imagination Configuration monthly. Most recently, Gear Calculator Plus was updated on October 24, 2026 and Imagination Configuration on October 24, 2026.

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