Comparison

inchCALC vs Ruko GIM

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

Head to head
About

inchCALC

This app serves as an entry-level construction calculator designed for users who frequently work with feet, inches, and fractions. It simplifies complex calculations involving these dimensions, transforming your device into a handy tool for builders, designers, and DIY enthusiasts.

Highlights
  • Calculates feet, inch, and fraction dimensions
  • Simplifies addition, subtraction, multiplication, and division
  • Inputs and outputs dimensions like a tape measure
  • Useful for builders, contractors, and DIYers
  • Transforms device into a construction calculator
Features
Read full description

ENTRY LEVEL [FOOT • INCH • FRACTION] CALCULATOR MACWORLD **** "inchCALC's ease of use coupled with its advanced features make this an uncommonly good addition to a crowded genre." 3/9/09 inchCALC is an entry level construction calculator for people who work with the FEET• INCH• FRACTION dimensions used common rulers and tape measures. These dimensions are shear drudgery when you have to manually add or subtract them --- let alone multiply or divide. If you are a builder, contractor, sub-contractor, architect, engineer, artist, designer, student, homemaker or DIYer, you know the importance of working with accurate dimensions. inchCALC™ tranforms your iPhone / iPod Touch into an easy to use FT• IN• FRACTION construction calculator that inputs and outputs dimensions exactly as they appear on a tape measure. With inchCALC you can inexpensively perform the functions of expensive dedicated calculators on your iPhone / iPod Touch. Click on our website below to see feature details. If you like what you see, the full version, inchCALC+, has many more features, including conversion to METRIC & built-in TRIANGLE SOLVING. Look up inchCALC+ in iTunes

About

Ruko GIM

Control intelligent drones with GPS and visual tracking. Offers stable flight, smart features like active tracking and waypoint planning, and advanced camera modes for photos and videos. Experience flight and capture stunning aerial views.

Highlights
  • GPS and visual tracking
  • Active tracking and orbit mode
  • Waypoint planning
  • Dynamic return-to-home
  • Gesture-controlled capture
  • Advanced shooting modes (panorama, time-lapse, slow motion)
  • Image setting fine-tuning
Features
Read full description

Ruko GIM is designed for intelligent drones with GPS and advanced visual tracking capabilities. It provides a stable, intuitive platform for comprehensive flight control and smart features like active tracking, orbit mode, waypoint planning, and dynamic return-to-home updates. Gesture-controlled photo and video capture are supported, along with advanced shooting modes including panorama, time-lapse, and slow motion. Users can also fine-tune image settings for greater creative control. Enjoy the freedom and excitement of flight, and experience the world from a whole new perspective.

Screenshots

inchCALC4 screens
Ruko GIM2 screens

Verdict

The call

The clearest difference is price: Ruko GIM at Free against inchCALC's $1.99. Ruko GIM also leads on rating (5.0 vs 3.9) and update cadence (every 3 weeks vs every 2 months). inchCALC's advantage is ratings volume (15 vs 1) and iOS requirement (8.0 vs 13.0). 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

Ruko GIM is free to download; inchCALC costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Ruko GIM holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: inchCALC has 15 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

inchCALC ships an update every 2 months, Ruko GIM every 3 weeks. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

Scorecard6 real differences · 4 level
inchCALC versus Ruko GIM: the parameters behind the verdict, then further details
ParameterinchCALCRuko GIM
Price$1.99Free — better
Rating3.9 (15 ratings)5.0 (1 ratings) — better
Positive reviews53.1% of reviews—
Number of ratings15 — better1
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size19 MB210 MB
Age rating4+17+
DeveloperRiver StudioShenzhen Ruike Innovation Technology

Customer experience

inchCALC

All ratings15 ratings
Positive73.3%
Neutral0.0%
Negative26.7%
Written reviews81 reviews
Positive53.1%
Neutral6.2%
Negative40.7%

Ruko GIM

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

inchCALC

No in-app purchases

None

Ruko GIM

No in-app purchases

Questions

Is inchCALC free?
inchCALC costs $1.99, with no in-app purchases.
Is Ruko GIM free?
Ruko GIM is free to download, with no in-app purchases.
Which has better reviews, inchCALC or Ruko GIM?
Ruko GIM is rated higher. inchCALC averages 3.9 out of 5 from 15 ratings, while Ruko GIM averages 5.0 from 1 ratings.
Do inchCALC or Ruko GIM have ads?
Neither inchCALC nor Ruko GIM shows ads.
Which is updated more often, inchCALC or Ruko GIM?
inchCALC ships an update every 2 months, and Ruko GIM every 3 weeks. Most recently, inchCALC was updated on October 23, 2026 and Ruko GIM on October 16, 2026.

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