Comparison

RF Tools ++ vs Drill Bit Converter

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

Head to head
About

RF Tools ++

Features
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RF Tools provides essential utilities for RF and link budget calculations including: Antenna Factor, Field Intensity, Phase, Time Delay, Wavelength, Cable Calculator, Cable Loss, Cable K1 K2 estimator, dBm/Watts conversions, dBยตA/Amps conversions, dBยตV/Volts conversions, Gain conversions, Power conversions, Free Space Loss, VHF/UHF Line of Sight, Fade Margin, Link Margin, Radar Max/Min Range, VSWR/Power/Return Loss Conversions, Radar Equation Solver and several reference items. The cable loss tool includes generic cables and many cables from Andrew, Beiden, Harbour Industries, Huber+Suhner, IW-Microwave, MegaPhase, Micro-Coax, PIC Wire & Cable, Times Microwave and Webro. Calculations are added regularly

About

Drill Bit Converter

Features
Read full description

If you have ever had to try to figure out which Fractional or Decimal bit is close enough to a particular Metric size, this is the app for you. Drill Bit Converter performs rapid conversions between Inch Fractional, Inch Decimal, Metric, and Gauge Drill Sizes. Simply select the unit of interest, type in a value, and the nearest equivalent of all other unis will be instantly displayed. When conversions to Inch Fractional or Gauge sizes are not exact, the app will display the amount of error. You can then easily tell if you have an alternative drill bit on hand that is close enough for your project. The app also includes a help display to explain the key features of the app, and it includes several pdf files containing helpful reference charts for drill and tap conversions and selections. You can email or print these charts. Printing requires an Air Print Connection. We welcome your feedback and suggestions for improvement. Thanks for considering our offering.

Screenshots

RF Tools ++4 screens
Drill Bit Converter4 screens

Verdict

The call

The clearest difference is update cadence: RF Tools ++ at every 2 weeks against Drill Bit Converter's every 54 months. Drill Bit Converter's advantage is price ($0.99 vs $1.99) and iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

RF Tools ++ costs $1.99 and Drill Bit Converter $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RF Tools ++ ships an update every 2 weeks, Drill Bit Converter every 54 months. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

Scorecard3 real differences ยท 3 level
RF Tools ++ versus Drill Bit Converter: the parameters behind the verdict, then further details
ParameterRF Tools ++Drill Bit Converter
Price$1.99$0.99 โ€” better
Update frequencyEvery 2 weeks โ€” betterEvery 54 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS17.013.0 โ€” better
Further details โ€” not scored
Size42 MB2 MB
Age rating4+4+
DeveloperJeff CurtisDohmann Engineering Services

In-app purchases

None

RF Tools ++

No in-app purchases

None

Drill Bit Converter

No in-app purchases

Questions

Is RF Tools ++ free?
RF Tools ++ costs $1.99, with no in-app purchases.
Is Drill Bit Converter free?
Drill Bit Converter costs $0.99, with no in-app purchases.
Do RF Tools ++ or Drill Bit Converter have ads?
Neither RF Tools ++ nor Drill Bit Converter shows ads.
Which is updated more often, RF Tools ++ or Drill Bit Converter?
RF Tools ++ ships an update every 2 weeks, and Drill Bit Converter every 54 months. Most recently, RF Tools ++ was updated on September 23, 2026 and Drill Bit Converter on September 21, 2026.

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