Comparison

Unit Converter vs FRAQ CALC Lite

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

Head to head
About

Unit Converter

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This is an efficient tool app that integrates a professional calculator with multi-unit conversion functionality. Supports complex expression calculations and multiple categories of physical unit conversions, meeting various calculation needs in study, work, and daily life. 【Core Feature Highlights】 Powerful Expression Calculation Engine ■ Supports complex mathematical operations (e.g., 2.5 × 3.8 + 1.2 ÷ 0.4) ■ Scientific notation display ■ Real-time calculation result preview ■ Customizable decimal precision Comprehensive Unit Conversion Support ■ Length, Mass, Time, Current, Temperature, Acceleration, Area, Charge, Force, Frequency, Plane Angle, Solid Angle, Speed, Volume User-Friendly Experience ■ Save frequently used unit pairs for quick access ■ Switch freely between dark and light themes ■ Simple and intuitive interface Smart Conversion Experience ■ One-tap unit swap function ■ Copy calculation results and full formulas

About

FRAQ CALC Lite

Features
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Stop typing the same calculations over and over again! FRAQ CALC Lite is the free (ad-supported) version of "FRAQ CALC", the next-generation calculator designed for professionals who work with numbers every day. Use all the core features with zero restrictions: History Edit, HISTORY TOTAL, MEMORY Save, SPLIT, MULTI, PERCENT, MARKUP, RE:MARKUP, and TAX IN/OFF. Tired of standard calculator problems? - Make a typo, and you have to start all over. - You have to add multiple results together manually. - You can’t find your past calculations. FRAQ changes all of that. Tap any number in the history to edit it, and the result is instantly recalculated. HISTORY TOTAL automatically adds up all your results. Save your calculation sets to MEMORY to reuse them later. - SPLIT: View division results from /2 to /99 in a handy list. - MULTI: Instantly see multiplications from 2x to 99x. - PERCENT: Check percentages from 1% to 100% at a glance. - MARKUP/RE:MARKUP: Easily calculate selling price or target cost. - TAX IN/OFF: Check the total with or without tax using a custom tax rate. ■ About the Lite Version It is free to use with ads (a banner at the bottom, and after about 5 minutes of use, full-screen ads may appear during calculations). No features are locked. If you love it, you can upgrade to the ad-free version via the "AD OFF" button to work with 100% focus. ■ How to Use 1. Calculate and press "=" to save it to your history. 2. Tap the result to copy it (clean numbers only, no commas). 3. Tap numbers in the history to correct mistakes and auto-recalculate. 4. HISTORY TOTAL: Auto-sum for quotes, estimates, and materials. 5. MEMO: Save and reopen your calculation sets. 6. Swipe to switch modes: CALC/SPLIT/MULTI/PERCENT/MARKUP... 7. TAX IN/OFF: Set your local sales tax rate easily. ■ Key Features - Edit numbers in history for automatic recalculation - Automatic display of the history's grand total - Save formulas into MEMORY - SPLIT/MULTI/PERCENT/MARKUP/RE:MARKUP modes - Custom tax settings (explanations available in 50 languages) - One-tap copy for results - Right/Left-handed layout options - iPhone / iPad support - No login required, data is saved locally - Easy ad-free upgrade (AD OFF) ■ How is it different from a normal calculator? Standard calculators just give you an answer. In business, you need to track, correct, summarize, and reuse data. FRAQ saves you time and minimizes human error. It’s not just a calculator; it’s your calculation workspace. Try the Lite version today! Calculate faster. Make fewer mistakes.

Screenshots

Unit Converter4 screens
FRAQ CALC Lite4 screens

Verdict

The call

The clearest difference is in-app purchases: FRAQ CALC Lite at none against Unit Converter's 1. FRAQ CALC Lite also leads on update cadence (daily vs every 2 weeks). Unit Converter's advantage is ads (none vs shown) and iOS requirement (12.0 vs 16.4). 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. Unit Converter sells 1 one-off in-app purchase. FRAQ CALC Lite asks for nothing beyond the download.

UpkeepUpdate frequency

Unit Converter ships an update every 2 weeks, FRAQ CALC Lite daily. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 2 level
Unit Converter versus FRAQ CALC Lite: the parameters behind the verdict, then further details
ParameterUnit ConverterFRAQ CALC Lite
PriceFreeFree
Update frequencyEvery 2 weeksDaily — better
AdsNo — betterYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.4
Further details — not scored
Size29 MB7 MB
Age rating4+4+
Developer伟鹏 李TAKAO OGASAWARA

In-app purchases

1 purchases

Unit Converter

One-time1
  • Unlock Premium Membership$0.99
None

FRAQ CALC Lite

No in-app purchases

Questions

Is Unit Converter free?
Unit Converter is free to download, with in-app purchases available.
Is FRAQ CALC Lite free?
FRAQ CALC Lite is free to download, with no in-app purchases.
Do Unit Converter or FRAQ CALC Lite have ads?
FRAQ CALC Lite shows ads; Unit Converter does not.
Which is updated more often, Unit Converter or FRAQ CALC Lite?
Unit Converter ships an update every 2 weeks, and FRAQ CALC Lite daily. Most recently, Unit Converter was updated on October 25, 2026 and FRAQ CALC Lite on October 24, 2026.

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