EbbyCalc vs PrefixCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EbbyCalc
Read full descriptionHide full description
EbbyCalc is a simple to use calculator targeted mainly at iPads, with large buttons, memory, and operations suitable for basic household expense calculations.
PrefixCalc
Read full descriptionHide full description
This calculator supports Metric‑prefix such as kilo and giga. The calculator supports quetta (10^30) and quecto (10^-30), which were added in 2022. Main Functions ・Support for arithmetic operations (+ - ×÷) ・Results converted to Japanese numerals for display ・Delete one character at a time with the "DEL" button Press and hold to delete all ・Press and hold to copy calculation formulas and results English (Short scale, Long scale) and Chinese numerals can also be selected. ・Calculations that include prefixes such as 2M+1k, 2M×1μ, etc. Note: ・Very large numbers that exceed 200 digits may be rounded off for display and calculation purposes. Please note this when precision is required. ・Short scale and Long scale are currently supported up to 10^198. ・Kanji notation is supported up to 10^72. If it is greater than the number, it will be displayed in Arabic numerals.
Screenshots
Verdict
EbbyCalc and PrefixCalc are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | EbbyCalc | PrefixCalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Ansel Rognlie | YONAGARE LAB |
In-app purchases
EbbyCalc
No in-app purchases
PrefixCalc
No in-app purchases
Questions
Is EbbyCalc free?
Is PrefixCalc free?
Do EbbyCalc or PrefixCalc have ads?
Other comparisons
