Comparison

Calsy vs Narrus

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

Head to head
About

Calsy

This versatile calculator offers a minimalist interface with powerful functionality for everyday calculations. It includes features for exploring facts, calculating gas performance, mastering price increases, converting temperatures and lengths, estimating paint needs, and simplifying number conversions.

Highlights
  • Explore interesting facts
  • Calculate gas performance and cost
  • Master price increases and percentages
  • Convert temperatures and lengths
  • Calculate paint and garden volume
  • Simplify number system conversions
  • Estimate file transfer time
Features
Read full description

Introducing Calsy. Looking for a versatile, minimalist calculator that can handle a variety of interesting tasks? Look no further than Calsy! With its new interface and powerful functionality, Calsy is the go-to app for quick calculations in your daily life.   Calsy, on the other hand, is not your average calculator. It's packed with interesting features that will make your digital life even more exciting. Here's what you can expect: 1. Explore Interesting Facts: Discover fascinating facts while crunching numbers with Calsy. Expand your knowledge while getting things done!   2. Calculate Gas Performance: Wondering how far your car can go on a full tank? Calsy provides estimated gas performance, range, and cost calculations, ensuring you never get caught off guard on your road trips.   3. Master Price Increases and Percentages: Calsy takes the guesswork out of price calculations. Easily calculate price increases, percentages, and discounts, helping you make informed financial decisions.   4. Convert Temperatures with Ease: Need to convert Celsius to Fahrenheit or vice versa? Calsy's temperature converter has you covered. Plus, it even tells you the ideal room temperature for ultimate comfort.   5. Get Insights on Your Health: Keep track of your fitness journey with Calsy's BMI calculator. Not only that, but you can also find out how much you would weigh on other planets. Talk about out-of-this-world calculations! 6. Convert Lengths in a Snap: Whether you need to convert inches to centimetres or miles to kilometres, Calsy's length converter is at your service.   7. Paint Like a Pro: Planning to give your room a fresh coat of paint? Calsy calculates the exact number of litres you need for the job. Say goodbye to wasted paint and hello to perfectly painted walls.   8. Garden Volume Made Easy: Dreaming of a Lush Garden? Calsy's garden volume calculator helps you determine how much soil or mulch you need to create the garden of your dreams.   9. Simplify Number Conversions: Need to convert binary to decimal or hexadecimal to octal? Calsy's number converter handles all number systems, making complex conversions a breeze.   10. Estimate File Transfer Time: Wondering how long it will take to transfer that huge file? Calsy's file transfer time calculator provides accurate estimates.   11. Unlock the ASCII World: Delve into the world of ASCII with Calsy's periodic style table. Explore the fascinating characters and symbols that make up our digital language.   12. Customize Your Experience: With Calsy's color scheme options, you can personalize the app to match your style and mood. Make every calculation a visually pleasing experience. Download Calsy now and unlock a world of endless possibilities. Say hello to simplicity and convenience. Get ready to simplify your digital life with Calsy! Future versions will include many additional features. If you have any recommendations for improving Calsy, please send them to miapp@zastudio.dev.

About

Narrus

Features
Read full description

Narrus is a local AI-powered reader that gives you a complete reading experience. It can translate any eBook into any language you want. Narrus also supports audio transcription, helping you save time and read faster. All AI processing happens directly on your device — no data is sent anywhere, so your privacy is fully protected. We also support a plain text mode for PDF files, making it easier to read and understand academic papers or research articles. With Narrus, language will never stop you from exploring new ideas and cutting-edge studies.

Screenshots

Calsy4 screens
Narrus4 screens

Verdict

The call

The clearest difference is iOS requirement: Calsy at 15.2 against Narrus's 26.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 9 level
Calsy versus Narrus: the parameters behind the verdict, then further details
ParameterCalsyNarrus
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.2 — better26.0
Further details — not scored
Size25 MB290 MB
Age rating4+12+
DeveloperSalvador Garcia BernalAtomGradient

In-app purchases

None

Calsy

No in-app purchases

None

Narrus

No in-app purchases

Questions

Is Calsy free?
Calsy is free to download, with no in-app purchases.
Is Narrus free?
Narrus is free to download, with no in-app purchases.
Do Calsy or Narrus have ads?
Neither Calsy nor Narrus shows ads.
Which is updated more often, Calsy or Narrus?
Calsy ships an update monthly, and Narrus monthly. Most recently, Calsy was updated on November 3, 2026 and Narrus on October 30, 2026.

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