Comparison

Triangle Area Calculator Pro vs Ring Sizer

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

Head to head
About

Triangle Area Calculator Pro

Features
Read full description

Triangle Area Calculator Pro is the fastest calculator a triangle area that quickly convert between the imperial and the metric system’s units in real time and without any hassle. Just provide a base and a height and you’ll get an area, instantaneously. Triangle Area Calculator Pro can also quickly determine area based on base and height expressed in: 1. Centimeters 2. Meters 3. Inches 4. Feet 5. Yards Area can also quickly determine in: 1. Square Centimeters 2. Square Meters 3. Square Inches 4. Square Feet 5. Square Yards Calculate and convert triangle area quickly and as you want.

About

Ring Sizer

Easily determine your precise ring size with this user-friendly tool. Avoid guesswork and ensure a perfect fit for your next ring purchase, whether for yourself or a gift. It simplifies the sizing process for accurate results.

Highlights
  • Effortless ring size gauging
  • Guarantees a flawless fit
  • User-friendly experience
  • Precise measurement
  • Simplifies sizing process
Features
Read full description

Welcome to Ring Sizer, the must-have app for effortlessly gauging your ring size wherever you are. Bid farewell to uncertainties and outdated sizing techniques – Ring Sizer guarantees a flawless fit for your upcoming ring purchase. Uncover the key to finding the ideal ring size, whether you're treating yourself or surprising someone special. Our app boasts a user-friendly experience, simplifying the process of pinpointing your precise ring size with ease and accuracy. No more hassle, just the perfect fit every time. Read more about our terms and conditions below. Privacy Policy: https://docs.google.com/document/d/11vfE2qQyvWBnPN3vTpypvFlZEWetmePQKY5JyyzJGY4/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1nDU5lIXHDTxxgRLbrqV8itubbB2BOOXWtkL5_Tk_ZiY/edit?usp=sharing Contact: ritznils52@gmail.com *Pricing in countries may vary and actual charges may be converted to your local currency depending on the country of residence. *Payment will be charged to iTunes Account at confirmation of purchase. *Subscription will be automatically renewed. Auto-renew can be turned off at least 24 hours before the end of the current period. *Your account will be charged for renewal within 24 hours prior to the end of the current period, and identify the cost of the renewal. *Subscriptions may be managed by you and auto-renewal may be turned off by going to the user's iTunes Account Settings. For more information please visit one of the following links: - https://support.apple.com/en-us/HT202039 - https://support.apple.com/en-us/HT204084

Screenshots

Triangle Area Calculator Pro3 screens
Ring Sizer4 screens

Verdict

The call

The clearest difference is price: Ring Sizer at Free against Triangle Area Calculator Pro's $1.99. Ring Sizer also leads on update cadence (every 2 days vs every 38 months). Triangle Area Calculator Pro's advantage is in-app purchases (none vs 4) and device support (3 vs 1). On ads 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

Ring Sizer is free to download; Triangle Area Calculator Pro costs $1.99 up front. Ring Sizer sells 4 in-app purchases, starting at $6.99 per 7 days. Triangle Area Calculator Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Triangle Area Calculator Pro ships an update every 38 months, Ring Sizer every 2 days. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.

Scorecard5 real differences · 5 level
Triangle Area Calculator Pro versus Ring Sizer: the parameters behind the verdict, then further details
ParameterTriangle Area Calculator ProRing Sizer
Price$1.99Free — better
Rating—4.5 (22 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—22 — better
Update frequencyEvery 38 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.2 — better16.0
Further details — not scored
Size0 MB56 MB
Age rating4+4+
DeveloperAnna FilobokFrancis Flores

In-app purchases

None

Triangle Area Calculator Pro

No in-app purchases

4 purchases

Ring Sizer

Subscriptions4
  • Ring Size Gauge & Measurement$6.997 Days
  • Ring Size Gauge & Measurement3 Days trial$6.997 Days
  • Ring Sizer App: Measuring Tool$19.991 Month
Show 1 more
  • Ring Size Gauge & Measurement$39.991 Year

Questions

Is Triangle Area Calculator Pro free?
Triangle Area Calculator Pro costs $1.99, with no in-app purchases.
Is Ring Sizer free?
Ring Sizer is free to download, with in-app purchases available.
Do Triangle Area Calculator Pro or Ring Sizer have ads?
Neither Triangle Area Calculator Pro nor Ring Sizer shows ads.
Which is updated more often, Triangle Area Calculator Pro or Ring Sizer?
Triangle Area Calculator Pro ships an update every 38 months, and Ring Sizer every 2 days. Most recently, Triangle Area Calculator Pro was updated on September 25, 2026 and Ring Sizer on September 9, 2026.

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