Comparison

SimpleCalc. vs Calculator with 13 button

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

Head to head

SimpleCalc.

Just a simple calculator.

Free

🔧 Utilities

No ratingsView app →

Calculator with 13 button

Free

🔧 Utilities

★ 1.01 ratingsView app →

About

SimpleCalc.

Features

Read full description

Just a simple calculator. Use this calculator as your every day simple calculator with no ads, while having one of our beautiful tailor-made themes. Enjoy using it, and please put a nice review if you like it. Thanks! @Himnerom

About

Calculator with 13 button

This utility app provides a basic calculator with a unique 13-button layout for quick input. It is designed for iPhone users seeking a straightforward calculation tool.

Highlights

13-button layout
Fast typing
Basic calculations
iPhone compatible

Features

Read full description

A calculator with a (13) button that allows for fast typing

Screenshots

SimpleCalc.4 screens

Calculator with 13 button1 screens

Verdict

The call

The clearest difference is ads: SimpleCalc. at none against Calculator with 13 button's shown. SimpleCalc. also leads on device support (4 vs 1) and iOS requirement (15.0 vs 26.0). Calculator with 13 button's advantage is update cadence (every 2 months vs every 7 months). On price 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SimpleCalc. ships an update every 7 months, Calculator with 13 button every 2 months. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level

SimpleCalc. versus Calculator with 13 button: the parameters behind the verdict, then further details
Parameter	SimpleCalc.	Calculator with 13 button
Price	Free	Free
Rating	—	1.0 (1 ratings) — better
Positive reviews	—	0.0% of reviews
Number of ratings	—	1 — better
Update frequency	Every 7 months	Every 2 months — better
Ads	No — better	Yes
In-app purchases	No	No
Monetization	—	Ad-supported
Devices	iPhone, iPad, iPod, Mac — better	iPhone
Requires iOS	15.0 — better	26.0
Further details — not scored
Size	16 MB	42 MB
Age rating	4+	4+
Developer	Romain Rousseau	Hideaki Uchikoshi

In-app purchases

None

SimpleCalc.

No in-app purchases

None

Calculator with 13 button

No in-app purchases

Questions

Is SimpleCalc. free?

SimpleCalc. is free to download, with no in-app purchases.

Is Calculator with 13 button free?

Calculator with 13 button is free to download, with no in-app purchases.

Do SimpleCalc. or Calculator with 13 button have ads?

Calculator with 13 button shows ads; SimpleCalc. does not.

Which is updated more often, SimpleCalc. or Calculator with 13 button?

SimpleCalc. ships an update every 7 months, and Calculator with 13 button every 2 months. Most recently, SimpleCalc. was updated on October 2, 2026 and Calculator with 13 button on September 29, 2026.