Comparison

CalcTrack vs PrefixCalc

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

Head to head
About

CalcTrack

Features
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After the changes are finalized (tapping equal button), appears at the top of the screen. You can use these results by tapping on them. Quick and Accurate Calculations History Tracking: See and recall your previous calculations User-Friendly Interface Save Time and Stay Organized

About

PrefixCalc

Features
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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

CalcTrack1 screens
PrefixCalc2 screens

Verdict

The call

CalcTrack 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

CostPrice · In-app purchases · Ads · Monetization

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

ScorecardNo meaningful differences
CalcTrack versus PrefixCalc: the parameters behind the verdict, then further details
ParameterCalcTrackPrefixCalc
PriceFreeFree
Update frequencyEvery 9 days—
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.012.0 — better
Further details — not scored
Size1 MB28 MB
Age rating4+4+
DeveloperBarkin SunguYONAGARE LAB

In-app purchases

None

CalcTrack

No in-app purchases

None

PrefixCalc

No in-app purchases

Questions

Is CalcTrack free?
CalcTrack is free to download, with no in-app purchases.
Is PrefixCalc free?
PrefixCalc is free to download, with no in-app purchases.
Do CalcTrack or PrefixCalc have ads?
Neither CalcTrack nor PrefixCalc shows ads.

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