Comparison

ConvertX vs multiple operation calculator

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

Head to head
About

ConvertX

This utility app offers comprehensive unit and currency conversion, featuring a vast library of 782 units across 56 categories. It includes popular and rare units, a powerful search function, and a favorites list for quick access. Real-time currency exchange rates are also provided.

Highlights
  • 782 units in 56 categories
  • Popular and rare unit support
  • Powerful search functionality
  • Favorites for quick access
  • Real-time currency exchange rates
  • In-built calculator
  • Customizable themes
Features
Read full description

Units & currency converter covering first ever 782 units in 56 categories AppAdvice.com: Rating - 5 star "ConvertX is one of the most convenient and useful conversion apps I’ve seen out there, and for $.99, this is a must have." - AppAdvice.com TheiPhoneappreview.com: Rating - 4.5/5 "The huge selection of units to convert to and from, the excellent layout and the simplicity of use is truly impressive, making Convertx one of the best converter apps on the market today" - TheiPhoneappreview.com Popular & Rare Categories Popular categories like Length, Mass, Volume, Area to rare categories like Capacitance, Illuminance, Inductance, Moment of Inertia covered. Search Powerful search to access every category/unit instantly. Favorites Frequently used units can be added to favorites and can be accessed quickly. No more searching of frequently used units. Large Forex Currencies including US Dollar, British Pound, Canadian Dollar, Australian Dollar, Euro, Swiss Franc, Japanese Yen. Updated several times daily*. Convenience In-Built calculator for quick use. The themes are now available for free. Add More Additional categories or units can be added on popular request. *Need internet for update

About

multiple operation calculator

Features
Read full description

A calculator that calculates and displays four arithmetic operations and free time at the same time.

Screenshots

ConvertX4 screens
multiple operation calculator1 screens

Verdict

The call

The clearest difference is in-app purchases: multiple operation calculator at none against ConvertX's 3. multiple operation calculator also leads on update cadence (every 2 weeks vs every 9 months). ConvertX's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.8.3). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ConvertX sells 3 one-off in-app purchases. multiple operation calculator asks for nothing beyond the download.

UpkeepUpdate frequency

ConvertX ships an update every 9 months, multiple operation calculator every 2 weeks. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

Scorecard4 real differences · 6 level
ConvertX versus multiple operation calculator: the parameters behind the verdict, then further details
ParameterConvertXmultiple operation calculator
PriceFreeFree
Rating5.0 (1 ratings) — better
Positive reviews70.8% of reviews
Number of ratings1 — better
Update frequencyEvery 9 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better15.8.3
Further details — not scored
Size19 MB35 MB
Age rating4+4+
DeveloperMallow Technologies Private LimitedHideaki Uchikoshi

In-app purchases

3 purchases

ConvertX

One-time3
  • GoodFree
  • Excellent!Free
  • Wow!!Free
None

multiple operation calculator

No in-app purchases

Questions

Is ConvertX free?
ConvertX is free to download, with in-app purchases available.
Is multiple operation calculator free?
multiple operation calculator is free to download, with no in-app purchases.
Do ConvertX or multiple operation calculator have ads?
multiple operation calculator shows ads; ConvertX does not.
Which is updated more often, ConvertX or multiple operation calculator?
ConvertX ships an update every 9 months, and multiple operation calculator every 2 weeks. Most recently, ConvertX was updated on September 10, 2026 and multiple operation calculator on September 15, 2026.

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