Stepped Reckoner vs WonderCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stepped Reckoner
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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
WonderCalc
This utility app handles all your basic calculation needs, including unit conversions for length, weight, and temperature. It also offers advanced financial calculations for loans, such as monthly payments, total cost, and interest paid.
- Basic calculations
- Cut, copy, and paste functionality
- Unit conversions (length, weight, temperature)
- Loan payment calculations
- Total loan cost and interest calculation
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WonderCalc performs all basic calculations, and allows you to cut, copy, and paste values to and from other apps. It can convert between units of length, weight, and temperature. It allows you to calculate monthly payments, as well as total cost and interest paid on the life of a loan.
Screenshots
Verdict
The clearest difference is update cadence: WonderCalc at every 5 days against Stepped Reckoner's monthly. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Stepped Reckoner ships an update monthly, WonderCalc every 5 days. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.
| Parameter | Stepped Reckoner | WonderCalc |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Giuseppe Garassino | SharkMonkey Apps |
In-app purchases
Stepped Reckoner
No in-app purchases
WonderCalc
No in-app purchases
Questions
Is Stepped Reckoner free?
Is WonderCalc free?
Do Stepped Reckoner or WonderCalc have ads?
Which is updated more often, Stepped Reckoner or WonderCalc?
Other comparisons
