Comparison

Calctic vs Zealous Notes

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

Head to head
About

Calctic

This app is a versatile tool offering a wide range of calculation and conversion functions. It supports basic arithmetic, advanced math operations, unit conversions, and currency exchange. Designed for students, educators, and professionals, it provides an intuitive interface for daily calculations.

Highlights
  • Basic and advanced arithmetic
  • Unit of measurement conversion
  • Currency conversion
  • Interest and discount calculation
  • Over 20 specialized calculators
Read full description

Calctic is an all-in-one calculator and converter that lets you do anything you want. It’s a multipurpose tool for students, educators, and professionals. Calctic is a clean and intuitive interface for math equations, conversions between units of measure, currency conversion, and more! • Basic Calculator - Allows you to perform basic arithmetic operations like addition, subtraction, multiplication, and division. Also allows you to perform more advanced mathematical operations like raising a number to the specified power and/or get the number's square root. • Measurement Converters - Allows you to convert one unit of measurement to other unit of measurement instantly! • Finance Calculators - Allows you to get the latest foreign exchange for more than 150 international currencies. Calctic also lets you calculate your interest and discount instantly with just a few taps! Calctic offers more than 20 calculators and converters to help you with your daily calculations whether you are a student, a housewife or working in professional environment such as: • Acceleration • Bitrate • Capacitance • Energy • And so much more!

About

Zealous Notes

Organize your thoughts with a versatile note-taking application. Link related notes, embed various media files directly, and enhance your text with markup tools. Features include searchable PDFs, video playback, and audio transcription.

Highlights
  • Stackable and linked notes
  • Inline PDF, video, and audio embedding
  • Searchable and mark-upable PDFs
  • Audio transcription
  • Hashtag organization
  • Marker mode with zoom
  • Calendar event linking
Features
Read full description

A lot like the Notes app you're used to, plus some added features: • Open several notes as a stack. - related notes can be linked together. • Subdivide your notes into Sections • PDFs, Video & Audio files attach inline, alongside your notes' other contents. - PDFs can be zoomed, scrolled, searched & marked-up. - Videos can play picture-in-picture or full-screen - Voice Notes audio files can be transcribed (with your permission) • Keep related notes together: - embed related notes as attachments - assign relatable #hashtags to your notes • Marker Mode - mark anywhere inside or outside of your notes - link markup with your highlighted or underlined text. - zoom-in for more precise drawings. • Link notes to your Calendar events (with your permission) • Case sensitive Find/Replace/Replace-All • Multiple Line-Spacing options See the included `Getting Started` guide for more, including several additional features available from within the app's Settings.

Screenshots

Calctic4 screens

Verdict

The call

The clearest difference is price: Calctic at Free against Zealous Notes's $4.99. Calctic also leads on iOS requirement (10.0 vs 26.0). On update cadence, ads, in-app purchases 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

Calctic is free to download; Zealous Notes costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Calctic ships an update weekly, Zealous Notes every 8 days. The most recent releases landed on June 11, 2026 and June 4, 2026 respectively.

Scorecard3 real differences · 7 level
Calctic versus Zealous Notes: the parameters behind the verdict, then further details
ParameterCalcticZealous Notes
PriceFree — better$4.99
Rating4.3 (3 ratings) — better
Positive reviews100.0% of reviews
Number of ratings3 — better
Update frequencyWeekly — betterEvery 8 days
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.0 — better26.0
Further details — not scored
Size110 MB265 MB
Age rating4+4+
DeveloperMobitech LtdJason Browning

Customer experience

Calctic

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Zealous Notes

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

None

Calctic

No in-app purchases

None

Zealous Notes

No in-app purchases

Questions

Is Calctic free?
Calctic is free to download, with no in-app purchases.
Is Zealous Notes free?
Zealous Notes costs $4.99, with no in-app purchases.
Do Calctic or Zealous Notes have ads?
Neither Calctic nor Zealous Notes shows ads.
Which is updated more often, Calctic or Zealous Notes?
Calctic ships an update weekly, and Zealous Notes every 8 days. Most recently, Calctic was updated on June 11, 2026 and Zealous Notes on June 4, 2026.

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