Comparison

Calculator Plus v2 vs Flash Cards +

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

Head to head
About

Calculator Plus v2

This app offers a powerful yet simple calculator experience, combining standard and scientific functions with live previews and error hints. It supports various input methods, including hardware keyboards and Apple Pencil, and provides multiple display formats for clear understanding of calculations.

Highlights
  • Standard and scientific calculator
  • Live expression and answer preview
  • Multiple display formats
  • Hardware keyboard support
  • Apple Pencil Scribble support
  • Bi-directional clipboard support
  • Syntax error hints
Read full description

Calculator Plus is a standard and scientific calculator that has simplicity at its core, while not compromising on functionality. Even with its simple user interface inspired by the built-in Calculator app on iOS, it offers much, much more - and with no ads! With full expression and live answer preview, be faster than ever at calculating, and see exactly what you typed. Understand your answers by displaying them in exact form, scientific notation, fractions and more. Catch the exact errors with helpful syntax errors, with beautiful animations to complement your calculations. The full scientific calculator is also present in the portrait layout, so you can calculate scientific operations away one-handed on your phones, or via a space-efficient vertical window on larger screens. That's not all! If you're on a Mac, or have a hardware keyboard connected to your iPad or iPhone, simply type your math expressions normally and it will be registered - including every scientific operation listed. Clipboard support not only allows you to copy your calculations for others to see, it also gives you the ability to instantly take any expression from anywhere and paste into the app. Plus, enjoy bonus functionality like math expression autocorrection, voice dictation, Apple Pencil Scribble, and more! Download Calculator Plus to experience it for yourself! Feature List: - Standard & Scientific Calculator. - Simple UI design puts focus on your calculations. - Live expression and answer display while typing. - Full scientific calculator in the portrait layout with minimal rearrangement. - View long operations comfortably with scrollable calculation panels. - Multiple display formats: Exact Form, Scientific Notation, Fractions and more! - Bi-directional clipboard: Copy & Paste any expression into and out of the app. - Math Evaluation Overrides: For those who want to configure autocorrect or prefer non-standard notations/conventions. - Custom Scientific Typing Mode: Append, Substitute or a hybrid of both when using on-screen buttons. - Full Hardware Keyboard input support (including scientific operations!) - Apple Pencil Scribble support on iPadOS 14+ in English. - Basic Voice Dictation input support in English. - iPadOS SlideOver, Split View and Stage Manager multitasking support. - Satisfying clicks with haptic feedback on modern iPhones. - Complete support for all math operations and input methods on the Apple Watch app. - Useful Syntax Error hints to let you know exactly what's wrong. - Lightweight: only a few MB in size. - No ads, no tracking :) If you have or find any problems, feel free to contact me under App Support within Calculator Plus. Developer: Wern

About

Flash Cards +

Create and manage digital flash card decks for efficient studying. Record questions and answers by speaking to your phone, then share decks with friends to collaborate on learning. Organize study materials conveniently on your device.

Highlights
  • Create and manage flash card decks
  • Record questions and answers via voice input
  • Share flash cards with friends
  • Organize study materials
  • Digital alternative to physical notecards
Features
Read full description

Tests worth of information stored conveniently in your phone. Quickly create and manage decks of flash cards to ensure you receive the grades you deserve. Easily send your flash cards to friends to spread the studying around. Flash Cards Plus allows you to enter card questions and answers just by speaking to your phone! It's not magic we promise, but it will sure help you study. Get rid of all your messy notecards and study with Flash Cards Plus!

Screenshots

Calculator Plus v24 screens
Flash Cards +4 screens

Verdict

The call

The clearest difference is rating: Calculator Plus v2 at 4.7 against Flash Cards +'s 4.2. Calculator Plus v2 also leads on review sentiment (89% vs 73%) and device support (5 vs 2). Flash Cards +'s advantage is update cadence (every 5 days vs every 2 months) and iOS requirement (10.0 vs 12.0). On price, ratings volume, 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.

ReceptionRating · Positive reviews · Number of ratings

Calculator Plus v2 holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 131 and 87 respectively. Written reviews point the same way: 89% of Calculator Plus v2's written reviews are positive against 73% of Flash Cards +'s.

UpkeepUpdate frequency

Calculator Plus v2 ships an update every 2 months, Flash Cards + every 5 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

Scorecard5 real differences · 5 level
Calculator Plus v2 versus Flash Cards +: the parameters behind the verdict, then further details
ParameterCalculator Plus v2Flash Cards +
PriceFreeFree
Rating4.7 (131 ratings) — better4.2 (87 ratings)
Positive reviews89.2% of reviews — better72.7% of reviews
Number of ratings131 — better87
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPod
Requires iOS12.010.0 — better
Further details — not scored
Size14 MB31 MB
Age rating4+4+
DeveloperWern Jie LimBrady Carey

Customer experience

Calculator Plus v2

All ratings131 ratings
Positive93.1%
Neutral2.3%
Negative4.6%
Written reviews213 reviews
Positive89.2%
Neutral2.8%
Negative8.0%

Flash Cards +

All ratings87 ratings
Positive80.5%
Neutral4.6%
Negative14.9%
Written reviews66 reviews
Positive72.7%
Neutral10.6%
Negative16.7%

User reviews

Calculator Plus v2

From 131 App Store ratings

What we love

  • 👍 Looks like the stock app
  • 🚀 Fast and responsive
  • 🔒 No ads or in-app purchases
  • 👍 Clean and intuitive UI
  • 👍 Familiar calculator layout

Room to improve

  • 🐛 Occasional crashes or disappearing from dock
  • 🐛 Incorrect percentage calculations
  • 🐛 Inconsistent behavior with order of operations
  • 🔍 History tape not visible during calculations
  • 🔍 No option to set number of decimal places

Flash Cards +

From 87 App Store ratings

What we love

  • 👍 Easy to use and straightforward
  • 💰 Free to use with minimal ads
  • 🚀 Efficient for studying and memorization
  • 🗣️ Good voice recognition for card creation
  • ✅ No account required, simple setup

Room to improve

  • 😠 Frequent and disruptive ads
  • 🚫 No option to remove ads permanently
  • ↔️ Limited deck sharing/export options
  • ❓ Some users confused about learning mode
  • 🔄 Cards only go in one direction

Bugs and requests

Calculator Plus v2

Reported bugs

3 issues
  • Crashes after recent update
  • Incorrect results for some calculations
  • Keyboard input not working as expected

Requested features

6 requests
  • Add widget support
  • Implement iCloud sync for history
  • Provide light/dark mode options
  • Allow customization of button layout
  • Add unit conversion tools
Show 1 more
  • Improve percentage calculation logic

Flash Cards +

Reported bugs

4 issues
  • App crashing due to ads
  • Ads interrupting playback
  • Question not accepted on first entry
  • Ads appearing too frequently, sometimes consecutively

Requested features

18 requests
  • Dark mode option
  • Ability to move mail list items around
  • Direct access to learning mode (questions only)
  • Option to purchase an ad-free version
  • Ability to move cards between decks
Show 13 more
  • Ability to rename decks
  • Ability to combine decks
  • Export decks to other platforms/devices
  • Airdrop decks to other devices
  • Add diagrams or photos to cards
  • Landscape mode for iPad
  • Sync across all iOS devices
  • Email a deck to a friend
  • Increase character limit per card
  • Return button for text entry
  • Option to buy a premium version without ads
  • Progress indicator for cards (e.g., Nailed it, Show more)
  • Make flash cards change automatically

In-app purchases

None

Calculator Plus v2

No in-app purchases

None

Flash Cards +

No in-app purchases

Questions

Is Calculator Plus v2 free?
Calculator Plus v2 is free to download, with no in-app purchases.
Is Flash Cards + free?
Flash Cards + is free to download, with no in-app purchases.
Which has better reviews, Calculator Plus v2 or Flash Cards +?
Calculator Plus v2 is rated higher. Calculator Plus v2 averages 4.7 out of 5 from 131 ratings, while Flash Cards + averages 4.2 from 87 ratings.
Do Calculator Plus v2 or Flash Cards + have ads?
Neither Calculator Plus v2 nor Flash Cards + shows ads.
Which is updated more often, Calculator Plus v2 or Flash Cards +?
Calculator Plus v2 ships an update every 2 months, and Flash Cards + every 5 days. Most recently, Calculator Plus v2 was updated on October 16, 2026 and Flash Cards + on October 14, 2026.

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