Comparison

Simple Calculator. + vs RYO

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

Head to head
About

Simple Calculator. +

This app offers a straightforward and dependable calculator for iPhone and iPad. It includes advanced features like tax calculation, cost/selling price/margin calculations, and memory operations. A free version is available to try before purchasing.

Highlights
  • 12-digit display
  • Tax calculation
  • Cost, selling price, and gross margin calculations
  • Memory operations
  • Grand total (GT)
  • Percentage calculation
Features
Read full description

Simple, reliable, and easy-to-use calculator app for iPhone/ iPad. If you would like to try out the calculator first, download the FREE version of the app from the developer profile. Calculator features:- * 12 digits * Tax calculation * Percentage (%) * Cost/ selling price/ gross margin calculations * Memory operations * Grand total (GT) * Square root * +/- (Sign change) * Arithmetic constant calculation * Digit grouping and decimal mark as per device locale

About

RYO

Features
Read full description

RYO is a private cloud storage application. It gives you a secure and simple way to store, sync and share your files. Your data are stored in the RYO cloud servers, so that you can easily access them from anywhere and synchronize them with other devices. With RYO you keep the data under your control and avoid that your data is stored outside of your infrastructure, like in public clouds (Dropbox, GoogleDrive, etc.) where you also have to agree to the providers terms and conditions, which means that you lose control about your data. Using RYO, performed actions on your data can be logged and gives you legal security if you need to prove actions in case of data leakage and security breaches.

Screenshots

Simple Calculator. +4 screens
RYO4 screens

Verdict

The call

The clearest difference is price: RYO at Free against Simple Calculator. +'s $1.99. RYO also leads on iOS requirement (11.1 vs 15.6). Simple Calculator. +'s advantage is update cadence (every 3 months vs every 11 months). On 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

RYO is free to download; Simple Calculator. + costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Simple Calculator. + ships an update every 3 months, RYO every 11 months. The most recent releases landed on October 13, 2026 and September 27, 2026 respectively.

Scorecard3 real differences · 7 level
Simple Calculator. + versus RYO: the parameters behind the verdict, then further details
ParameterSimple Calculator. +RYO
Price$1.99Free — better
Rating4.7 (147 ratings) — better—
Positive reviews72.7% of reviews—
Number of ratings147 — better—
Update frequencyEvery 3 months — betterEvery 11 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.611.1 — better
Further details — not scored
Size1 MB19 MB
Age rating4+4+
Developertasser gyatiDIGITAL GOVERNMENT DEVELOPMENT AGENCY (PUBLIC ORGANIZATION)

In-app purchases

None

Simple Calculator. +

No in-app purchases

None

RYO

No in-app purchases

Questions

Is Simple Calculator. + free?
Simple Calculator. + costs $1.99, with no in-app purchases.
Is RYO free?
RYO is free to download, with no in-app purchases.
Do Simple Calculator. + or RYO have ads?
Neither Simple Calculator. + nor RYO shows ads.
Which is updated more often, Simple Calculator. + or RYO?
Simple Calculator. + ships an update every 3 months, and RYO every 11 months. Most recently, Simple Calculator. + was updated on October 13, 2026 and RYO on September 27, 2026.

Other comparisons