Comparison

Just A Calc vs Stepped Reckoner

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

Head to head

Basic calculator

About

Just A Calc

Features

Read full description

This is Just A Calculator, nothing more, nothing less. The calculator will perform addition, subtraction, multiplication, division, percentage calculations, and find the square root. This will allow a maximum 38 digits to the left of the decimal and a maximum of 12 digits to the right of the decimal. This was developed primarily for the iPhone, however it will work on any iOS device.

About

Stepped Reckoner

Read full description

Stepped Reckoner is an extremely responsive calculator. Key Features ・ Incredibly fast and responsive calculation ・ Easy and intuitive interface ・ Operating range between -999,999,999,999 and +999,999,999,999 ・ Precision of six decimal digits ・ Designed for iPhone and iPad ・ Free and no ads

Screenshots

Just A Calc2 screens

Stepped Reckoner3 screens

Verdict

The call

The clearest difference is update cadence: Stepped Reckoner at monthly against Just A Calc's every 38 months. Just A Calc's advantage is iOS requirement (12.0 vs 15.0). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Just A Calc ships an update every 38 months, Stepped Reckoner monthly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 4 level

Just A Calc versus Stepped Reckoner: the parameters behind the verdict, then further details
Parameter	Just A Calc	Stepped Reckoner
Price	Free	Free
Update frequency	Every 38 months	Monthly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.0 — better	15.0
Further details — not scored
Size	10 MB	1 MB
Age rating	4+	4+
Developer	Tom Doherty	Giuseppe Garassino

In-app purchases

None

Just A Calc

No in-app purchases

None

Stepped Reckoner

No in-app purchases

Questions

Is Just A Calc free?

Just A Calc is free to download, with no in-app purchases.

Is Stepped Reckoner free?

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

Do Just A Calc or Stepped Reckoner have ads?

Neither Just A Calc nor Stepped Reckoner shows ads.

Which is updated more often, Just A Calc or Stepped Reckoner?

Just A Calc ships an update every 38 months, and Stepped Reckoner monthly. Most recently, Just A Calc was updated on November 2, 2026 and Stepped Reckoner on October 30, 2026.