Comparison

Calzy vs FERGIE

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

Head to head
About

Calzy

This app offers a modern and intuitive way to perform everyday calculations. It features a unique Memory Area for reusing values, bookmarking for saved calculations, and leverages the latest iOS technologies for a seamless experience. Designed with privacy in mind, it's suitable for students and professionals alike.

Highlights
  • Memory Area for reusing values
  • Calculation bookmarking with titles
  • Basic and advanced calculation modes
  • Privacy mode with Face ID
  • Live Activity and Haptic Touch support
  • Customizable keypad layout
  • Dark and Light modes
Features
Read full description

Make your day-to-day calculations quick, easy, and beautiful with Calzy. Whether you're a student, professional, or just looking for a better way to manage your everyday math, Calzy is the perfect solution. With its advanced features and gorgeous design, Calzy will quickly become your go-to calculator. One of its standout features is the "Memory Area," where you can store and easily reuse multiple numerical values with just a drag and drop. Another one is the bookmarking feature, allowing you to save any calculation with a title for future reference. Using the latest iOS technology, like Live Activity, Drag and Drop, Haptic Touch, Face ID, and more, Calzy makes mathematical problem-solving a seamless experience. And with privacy being our top concern, rest assured your data stays with you. Key Features: • Memory Area for saving and reusing numerical values • Basic and advanced modes • History and Bookmarking with privacy mode (Face ID support) • Clean, modern, and beautiful design • Privacy-conscious app • Multitasking with slide-over and split view for iPad • Haptic Feedback for a more immersive experience • Tax + and Tax - functions • Quick toggle for decimal and currency rounding • Smart parenthesis • Today widget and iMessage extension • Ability to edit keypad layout • Apple Pencil 2 support and external keyboard support • Dynamic type support for enhanced readability • Custom App Icon support for a personalized touch • Universal app for iPhone, Apple Watch, and iPad • Handoff support, start on one device and resume on another • iCloud sync • Dark and Light modes with multiple color accents • Regional support for countries using decimal commas • Instant calculations as you type • Bookmarks are available in the Spotlight search • Universal purchase for all your devices • Family Sharing support • Localized in Chinese, Japanese, French, Italian, Russian and German Powered by the latest iOS technology, Calzy is the calculator for the new age.

About

FERGIE

Features
Read full description

A task-list app that gives you the freedom to customize your very own Fergie (mascot). Finish daily tasks and make Fergie happier today!

Screenshots

Calzy4 screens
FERGIE3 screens

Verdict

The call

The clearest difference is price: FERGIE at Free against Calzy's $1.99. FERGIE also leads on in-app purchases (none vs 3) and iOS requirement (15.5 vs 26.0). Calzy's advantage is update cadence (every 2 days vs every 6 months) and chart position (#123 vs unranked). On ads 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

FERGIE is free to download; Calzy costs $1.99 up front. Calzy sells 3 one-off in-app purchases. FERGIE asks for nothing beyond the download.

UpkeepUpdate frequency

Calzy ships an update every 2 days, FERGIE every 6 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

Scorecard5 real differences · 6 level
Calzy versus FERGIE: the parameters behind the verdict, then further details
ParameterCalzyFERGIE
Price$1.99Free — better
Rating4.7 (1.9K ratings) — better—
Positive reviews76.6% of reviews—
Number of ratings1.9K — better—
Update frequencyEvery 2 days — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid—
Best chart rank#123 — better—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS26.015.5 — better
Further details — not scored
Size66 MB116 MB
Age rating4+4+
DeveloperRaja VijayaramanMarshall Kurniawan

In-app purchases

3 purchases

Calzy

One-time3
  • Small Tip$0.99
  • Medium Tip$3.99
  • Huge Tip$9.99
None

FERGIE

No in-app purchases

Questions

Is Calzy free?
Calzy costs $1.99, and also offers in-app purchases.
Is FERGIE free?
FERGIE is free to download, with no in-app purchases.
Do Calzy or FERGIE have ads?
Neither Calzy nor FERGIE shows ads.
Which is updated more often, Calzy or FERGIE?
Calzy ships an update every 2 days, and FERGIE every 6 months. Most recently, Calzy was updated on October 26, 2026 and FERGIE on October 20, 2026.

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