Comparison

Arc+ vs Surface Area Calculator + Cost

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

Head to head
About

Arc+

This utility app helps users calculate various dimensions of circular arcs, including radius, length, width, and height. It offers a simple interface where users input two known values to derive the rest. Additional features include a unit converter, result saving, and sharing capabilities.

Highlights
  • Calculate Radius, Length, Width, Height, Tangent
  • Input two known values to find others
  • Measurement units converter
  • Save results to favorites
  • Share calculations
Features
Read full description

Arc+ The Complete Circular Arc Calculator Calculates the Radius, Length, Width (chord), Height, Tangent How it works: Select two known values and type it in text boxes and click on ( = ) to get the required values. Features: Measurement units converter Save your results to a favorite list Share your results with others

About

Surface Area Calculator + Cost

Calculate the surface area of various 3D geometric shapes and get an estimated cost for materials. Supports multiple units for calculations and results.

Highlights
  • Surface area calculation for 11 shapes
  • Material cost estimation
  • Multiple unit support
  • Results in various units
  • Subscription for unlimited access
Features
Read full description

Our app helps you to calculate the surface area of several common shapes. This tool also provides a cost of materials estimate. We offer a diverse set of units suitable for almost every country. The results of each calculation are also expressed in many units of different area. We support you with a variety of different types: - Cone - Cube - Sphere - Pyramid - Cylinder - Octahedron - Rectangular - Truncated cone - Triangular Prism - Hexagonal Prism - Triangular Pyramid - Hemispherical Shape SUBSCRIPTION INFORMATION This subscription package offers users unlimited access to all app features throughout the subscription period. • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • 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 the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://13520178.github.io/SurfaceAreaCalc/policy.html Terms of Use: https://13520178.github.io/SurfaceAreaCalc/terms.html We are happy to serve! If you have any requests or suggestions, do not hesitate to contact us. Email: phannhatd@gmail.com

Screenshots

Arc+3 screens
Surface Area Calculator + Cost3 screens

Verdict

The call

The clearest difference is rating: Arc+ at 4.6 against Surface Area Calculator + Cost's 3.5. Arc+ also leads on review sentiment (50% vs 22%) and monetization model (free vs free with in-app purchases). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Arc+ sells 1 one-off in-app purchase and Surface Area Calculator + Cost sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Arc+ holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 113 and 24 respectively. Written reviews point the same way: 50% of Arc+'s written reviews are positive against 22% of Surface Area Calculator + Cost's.

UpkeepUpdate frequency

Arc+ ships an update every 4 months, Surface Area Calculator + Cost every 6 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
Arc+ versus Surface Area Calculator + Cost: the parameters behind the verdict, then further details
ParameterArc+Surface Area Calculator + Cost
PriceFreeFree
Rating4.6 (113 ratings) — better3.5 (24 ratings)
Positive reviews50.0% of reviews — better22.2% of reviews
Number of ratings113 — better24
Update frequencyEvery 4 months — betterEvery 6 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size4 MB4 MB
Age rating4+4+
DeveloperMohamed SaadPhan Nhat Đang

Customer experience

Arc+

All ratings109 ratings
Positive89.0%
Neutral7.3%
Negative3.7%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

Surface Area Calculator + Cost

All ratings24 ratings
Positive62.5%
Neutral4.2%
Negative33.3%
Written reviews9 reviews
Positive22.2%
Neutral11.1%
Negative66.7%

In-app purchases

1 purchases

Arc+

One-time1
  • Ad Blocker$4.99
3 purchases

Surface Area Calculator + Cost

Subscriptions2
  • Premium monthly package$1.991 Month
  • Annual Premium Package$14.991 Year
One-time1
  • Remove ads$19.99

Questions

Is Arc+ free?
Arc+ is free to download, with in-app purchases available.
Is Surface Area Calculator + Cost free?
Surface Area Calculator + Cost is free to download, with in-app purchases available.
Which has better reviews, Arc+ or Surface Area Calculator + Cost?
Arc+ is rated higher. Arc+ averages 4.6 out of 5 from 113 ratings, while Surface Area Calculator + Cost averages 3.5 from 24 ratings.
Do Arc+ or Surface Area Calculator + Cost have ads?
Neither Arc+ nor Surface Area Calculator + Cost shows ads.
Which is updated more often, Arc+ or Surface Area Calculator + Cost?
Arc+ ships an update every 4 months, and Surface Area Calculator + Cost every 6 months. Most recently, Arc+ was updated on October 8, 2026 and Surface Area Calculator + Cost on October 1, 2026.

Other comparisons