Comparison

Drill Bit Converter vs Cove Angle

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

Head to head
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.

About

Cove Angle

This app simplifies complex calculations by automatically crunching numbers and saving your past results. Easily access and reapply previous calculations, and switch between metric and standard units. Syncs across devices with iCloud.

Highlights
  • Automatic number crunching
  • Save past calculations
  • Cross-device iCloud sync
  • Delete and reapply calculations
  • Metric and standard unit switching
Features
Read full description

Cove Angle is a purpose-built calculator for woodworkers who cut coves on the table saw. Enter your blade diameter, kerf, cove width, depth, and optional blade tilt, and Cove Angle quickly calculates the fence angle you need. A live profile preview helps you sanity-check the shape before you cut, while built-in limits help keep your setup within realistic blade geometry. Whether you work in SAE or metric, Cove Angle keeps the math out of the way so you can focus on the cut. Features: Calculate fence angles for table saw cove cuts Support for blade tilt, including positive and negative tilt setups Live visual profile preview SAE and metric unit support Adjustable angle precision Save and revisit previous setups Quick history recall for repeat cuts Clean, workshop-friendly interface Cove Angle is designed for speed, clarity, and repeatability when dialing in cove-cut setups.

Screenshots

Drill Bit Converter4 screens
Cove Angle3 screens

Verdict

The call

The clearest difference is price: Cove Angle at Free against Drill Bit Converter's $0.99. Drill Bit Converter's advantage is iOS requirement (13.0 vs 17.2). On update cadence, 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

Cove Angle is free to download; Drill Bit Converter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Drill Bit Converter ships an update every 54 months, Cove Angle every 30 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 7 level
Drill Bit Converter versus Cove Angle: the parameters behind the verdict, then further details
ParameterDrill Bit ConverterCove Angle
Price$0.99Free — better
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 54 monthsEvery 30 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, Mac
Requires iOS13.0 — better17.2
Further details — not scored
Size2 MB3 MB
Age rating4+4+
DeveloperDohmann Engineering ServicesRed Trillium Studios Ltd

In-app purchases

None

Drill Bit Converter

No in-app purchases

None

Cove Angle

No in-app purchases

Questions

Is Drill Bit Converter free?
Drill Bit Converter costs $0.99, with no in-app purchases.
Is Cove Angle free?
Cove Angle is free to download, with no in-app purchases.
Do Drill Bit Converter or Cove Angle have ads?
Neither Drill Bit Converter nor Cove Angle shows ads.
Which is updated more often, Drill Bit Converter or Cove Angle?
Drill Bit Converter ships an update every 54 months, and Cove Angle every 30 months. Most recently, Drill Bit Converter was updated on September 21, 2026 and Cove Angle on September 10, 2026.

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