Ring Sizer Pro vs Calc Deluxe
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ring Sizer Pro
Easily determine your jewelry ring size with this accurate tool. It offers multiple measurement units, visual guides, and supports numerous international sizing systems. Share your findings effortlessly.
- Metric and imperial units
- Diameter or circumference measurement
- Visual guides for precision
- Shareable results
- Multiple international sizing systems
- Wide size range support
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Simple and easy to use, but powerfull and accurate tool to quickly find the size of your jewelry ring. With this app you can: - choose between metric and imperial units - choose diameter or circumference - use unique visual guides for precise measuring - easily share your ring size through email and social networks - use up to seven different ring size measure systems, including USA, Canada, Australia, Great Britain, Europe, Italy, Spain, Germany, Russia, Japan, China, India, Hong Kong and Brazil. Ring sizer pro supports a very wide diapason of the possible sizes. From 0000 to 16 in USA size system. Some of the countries share the same measure system. For example USA system is also used in Canada and Mexico. If you don't find you country in the preferences try to find which country use the same system. If you find any mistakes in the measure in you country please send me a letter and I will fix issue in the next app update. Thank you!
Calc Deluxe
A user-friendly scientific calculator that displays equations and running totals. It offers convenient deletion options for characters or the entire equation. Purchase once for access on iPhone, iPad, Mac, and Apple Watch.
- Equation display
- Running total
- Character deletion
- Clear entire equation
- Cross-device compatibility
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Easy to use! Scientific calculator with equation and running total displayed. You can delete the last character with a short press, long press delete to clear the entire equation. For one low price you get the app for the iPhone, iPad, Mac, and Watch!
Screenshots
Verdict
The clearest difference is rating: Calc Deluxe at 5.0 against Ring Sizer Pro's 2.0. Calc Deluxe also leads on update cadence (every 4 days vs every 4 months). Ring Sizer Pro's advantage is iOS requirement (13.0 vs 16.0). On price, ratings volume, ads and in-app purchases 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
Ring Sizer Pro costs $1.99 and Calc Deluxe $1.49 up front. Neither carries in-app purchases, so what you see is what you pay.
Calc Deluxe holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Ring Sizer Pro ships an update every 4 months, Calc Deluxe every 4 days. The most recent releases landed on September 21, 2026 and July 17, 2026 respectively.
| Parameter | Ring Sizer Pro | Calc Deluxe |
|---|---|---|
| Price | $1.99 | $1.49 — better |
| Rating | 2.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 2 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Melnikov | stephen feggeler |
Customer experience
Ring Sizer Pro
Calc Deluxe
In-app purchases
Ring Sizer Pro
No in-app purchases
Calc Deluxe
No in-app purchases
Questions
Is Ring Sizer Pro free?
Is Calc Deluxe free?
Which has better reviews, Ring Sizer Pro or Calc Deluxe?
Do Ring Sizer Pro or Calc Deluxe have ads?
Which is updated more often, Ring Sizer Pro or Calc Deluxe?
Other comparisons
