Comparison

Calculator Pro 100% vs DuoWake

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

Head to head
About

Calculator Pro 100%

A practical and functional scientific calculator designed for iPad. It allows users to save and reuse previous calculations, displays partial results, and shows the current expression for clarity. This app is completely free to use.

Highlights
  • Scientific calculator functionality
  • Save and reuse calculations
  • Supports various operations
  • Shows partial results
  • Displays current expression
Features
Read full description

A practical and functional calculator, for any type of use, 100% free! It is a classic scientific calculator, which: -It is built specifically for iPad -Can save previous calculations and reuse them for new calculations -Supports various types of operations -Shows the partial results of the expression even before the calculation is finished -Shows the current expression above the result, so you don't forget the initial calculation This calculator is 100% free, so there are no annoying pop-ups asking to buy a full version or a subscription!

About

DuoWake

This app offers a gentle wake-up experience by combining customizable sound and light. It allows users to personalize the display, choose from a wide range of alarm tones, or import their own sounds for a natural transition from sleep to wakefulness.

Highlights
  • Gradual sound and light wake-up
  • Customizable display (size, color, brightness)
  • Nearly 40 built-in alarm tones
  • Import custom alarm sounds
  • Adaptive brightness for sleep
  • Intuitive user experience
Features
Read full description

A gentle wake-up, finally designed for you No more harsh alarms. DUOWAKE harmoniously combines sound and light to ease you out of sleep gradually, naturally, in full respect of your body and well-being. A smooth transition between the world of dreams and the day ahead. A 100% customizable display Because every bedroom, every eye, and every night is different, DUOWAKE gives you total control over your interface: β€’ Adjustable display size to match your readability preferences β€’ Stroke thickness for a sleek, elegant design or a bold, at-a-glance look β€’ Clock color of your choice, to complement your dΓ©cor or your mood β€’ Adjustable brightness to never disturb your sleep or your partner's Whether you prefer a discreet, minimalist dial or a bright, bold clock face, DUOWAKE adapts. Not the other way around. Your alarm: sound, light, or both! A soft light that gradually expands for a natural wake-up. If that's not enough, a ringtone that slowly builds in volume. With nearly 40 carefully curated built-in tones β€” from the gentlest to the most energizing β€” you'll find the one that matches your way of waking up. And if none of them feel right? Import your own custom tones. Your favorite track, a beloved voice, a soothing nature sound… DUOWAKE plays your music. The tailored alarm, in every sense of the word DUOWAKE isn't just another alarm clock. It's your alarm clock: β€’ Visually tailored: customize every detail of the display β€’ Acoustically tailored: choose from dozens of tones or import your own β€’ Tailored for your sleep: adaptive brightness to never disrupt your nights β€’ Tailored for your lifestyle: a smooth, intuitive experience built for everyday life Because waking up in the morning should be a pleasant moment β€” or at the very least, as painless as possible β€” DUOWAKE transforms your iPhone into a smart, elegant, and deeply personal alarm clock. Download DUOWAKE and wake up differently.

Screenshots

DuoWake4 screens

Verdict

The call

The clearest difference is price: Calculator Pro 100% at Free against DuoWake's $0.99. Calculator Pro 100% also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (12.0 vs 17.0). DuoWake's advantage is ads (none vs shown) and review sentiment (50% vs 40%). On in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Calculator Pro 100% is free to download; DuoWake costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Calculator Pro 100% ships an update every 3 weeks, DuoWake every 3 months. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

Scorecard6 real differences Β· 2 level
Calculator Pro 100% versus DuoWake: the parameters behind the verdict, then further details
ParameterCalculator Pro 100%DuoWake
PriceFree β€” better$0.99
Positive reviews40.0% of reviews50.0% of reviews β€” better
Update frequencyEvery 3 weeks β€” betterEvery 3 months
AdsYesNo β€” better
In-app purchasesNoNo
MonetizationAd-supported β€” betterPaid
DevicesiPadiPhone, iPad β€” better
Requires iOS12.0 β€” better17.0
Further details β€” not scored
Size18 MB97 MB
Age rating4+4+
DeveloperFabio Giulianiibudokan ltd

Customer experience

Calculator Pro 100%

Written reviews15 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

DuoWake

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Calculator Pro 100%

No in-app purchases

None

DuoWake

No in-app purchases

Questions

Is Calculator Pro 100% free?
Calculator Pro 100% is free to download, with no in-app purchases.
Is DuoWake free?
DuoWake costs $0.99, with no in-app purchases.
Do Calculator Pro 100% or DuoWake have ads?
Calculator Pro 100% shows ads; DuoWake does not.
Which is updated more often, Calculator Pro 100% or DuoWake?
Calculator Pro 100% ships an update every 3 weeks, and DuoWake every 3 months. Most recently, Calculator Pro 100% was updated on October 15, 2026 and DuoWake on October 21, 2026.

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