inchCALC vs Ruko GIM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- 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
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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
Verdict
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
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.
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.
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.
| Parameter | inchCALC | Ruko GIM |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 3.9 (15 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 53.1% of reviews | — |
| Number of ratings | 15 — better | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 19 MB | 210 MB |
| Age rating | 4+ | 17+ |
| Developer | River Studio | Shenzhen Ruike Innovation Technology |
Customer experience
inchCALC
Ruko GIM
In-app purchases
inchCALC
No in-app purchases
Ruko GIM
No in-app purchases









