Comparison

Adam's 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

Adam's Calc

Help remember answers

Free

🔧 Utilities

★ 5.02 ratingsView app →

Basic calculator

About

Adam's Calc

A utility calculator that adds memory functionality to standard calculations. Designed to make your device's calculator more helpful by remembering previous results.

Highlights

Memory function for calculations
Enhanced utility calculator
Intuitive design
Remembers previous results

Features

Read full description

Adam's Calc is a utility calculator designed by rdConcepts. This design is intended to help make the standard calculator more useful by building some "memory" into the device. Inspiration -> Donald Norman.

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

Adam's Calc4 screens

Stepped Reckoner3 screens

Verdict

The call

The clearest difference is in-app purchases: Stepped Reckoner at none against Adam's Calc's 1. Stepped Reckoner also leads on ads (none vs shown) and update cadence (monthly vs every 4 months). On price, device support and iOS requirement 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. Adam's Calc sells 1 one-off in-app purchase. Stepped Reckoner asks for nothing beyond the download.

UpkeepUpdate frequency

Adam's Calc ships an update every 4 months, Stepped Reckoner monthly. The most recent releases landed on October 9, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 6 level

Adam's Calc versus Stepped Reckoner: the parameters behind the verdict, then further details
Parameter	Adam's Calc	Stepped Reckoner
Price	Free	Free
Rating	5.0 (2 ratings) — better	—
Number of ratings	2 — better	—
Update frequency	Every 4 months	Monthly — better
Ads	Yes	No — better
In-app purchases	Yes	No — better
Monetization	Free with in-app purchases	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	15.0
Further details — not scored
Size	5 MB	1 MB
Age rating	4+	4+
Developer	RD Concepts	Giuseppe Garassino

In-app purchases

1 purchases

Adam's Calc

One-time1

Remove Advertising$2.99

None

Stepped Reckoner

No in-app purchases

Questions

Is Adam's Calc free?

Adam's Calc is free to download, with in-app purchases available.

Is Stepped Reckoner free?

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

Do Adam's Calc or Stepped Reckoner have ads?

Adam's Calc shows ads; Stepped Reckoner does not.

Which is updated more often, Adam's Calc or Stepped Reckoner?

Adam's Calc ships an update every 4 months, and Stepped Reckoner monthly. Most recently, Adam's Calc was updated on October 9, 2026 and Stepped Reckoner on October 30, 2026.