Average Calculator vs Roman Numerals Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Average Calculator
This app calculates various statistical measures including arithmetic mean, geometric mean, harmonic mean, standard deviation, and confidence interval for a given set of numbers. Results can be easily shared via email.
- Arithmetic mean calculation
- Geometric mean calculation
- Harmonic mean calculation
- Standard deviation calculation
- Confidence interval calculation
- Email results
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Calculates the arithmetic mean, the geometric mean and the harmonic mean as well as the standard deviation and the confidence interval of a set of numbers. The calculator results can be emailed.
Roman Numerals Converter
Easily convert between Roman and Arabic numerals. Supports numbers up to 3,999,999 and validates Roman numeral input. Includes a conversion history and email sharing.
- Roman to Arabic conversion
- Arabic to Roman conversion
- Input validation
- Conversion history
- Email results
- Supports numbers up to 3,999,999
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A handy and easy to use app to convert Roman numerals to Arabic numbers and vice versa. Features: • Converts Roman numerals to Arabic numbers and vice versa. Just enter either a whole number from 1 to 3,999,999 or a Roman numeral and click '='. • A horizontal bar placed above a Roman numeral indicates multiplication by 1000. • Keyboards to input Roman numerals and Arabic numbers. • The app validates the input of Roman numerals. • Flip button to easily switch between Roman numerals and Arabic numbers. • Roman Numerals Pro stores conversion history (last 25 results). • Results can be sent via email.
Screenshots
Verdict
The clearest difference is rating: Roman Numerals Converter at 5.0 against Average Calculator's 1.0. Average Calculator's advantage is update cadence (every 13 months vs every 37 months) and price ($0.99 vs $3.99). On review sentiment, ratings volume, ads 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
Average Calculator costs $0.99 and Roman Numerals Converter $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Roman Numerals Converter holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
Average Calculator ships an update every 13 months, Roman Numerals Converter every 37 months. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.
| Parameter | Average Calculator | Roman Numerals Converter |
|---|---|---|
| Price | $0.99 — better | $3.99 |
| Rating | 1.0 (1 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 13 months — better | Every 37 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | Intemodino Group s.r.o. |
Customer experience
Average Calculator
Roman Numerals Converter
In-app purchases
Average Calculator
No in-app purchases
Roman Numerals Converter
No in-app purchases
Questions
Is Average Calculator free?
Is Roman Numerals Converter free?
Which has better reviews, Average Calculator or Roman Numerals Converter?
Do Average Calculator or Roman Numerals Converter have ads?
Which is updated more often, Average Calculator or Roman Numerals Converter?
Other comparisons
