Comparison

Calculator Plus v2 vs Solves

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

Solves

A powerful and versatile calculator for all your Apple devices. Edit complex expressions, sync history across devices, and enjoy a clean, ad-free experience. Unlock advanced features like unit conversion and fraction support with an optional upgrade.

Highlights
  • Edit expressions without limitations
  • Instant results
  • Sync calculation history across devices
  • Unit conversion (currencies, physical units)
  • Fraction support
  • Customizable themes
Features
Read full description

Solves is a well-made calculator app for your iPhone, iPad, Mac, and Apple Watch. It allows you to edit expressions without limitations and get instant results. It keeps your calculation history in sync on all devices and lets you to easily interact with it. All this for free and without ads! By purchasing Solves+ you also get: • Unit Conversions: currencies (with crypto, metals & energy), physical units, and your own! • History Tools: comment, bookmark, export, auto clear, and more • Fractions • More Themes • Advanced Settings Hand-typed code. No generative AI was used during the development or by the app itself. Solves+ requires one payment only. You will own it forever on all devices.

Screenshots

Calculator Plus v24 screens
Solves4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator Plus v2 at none against Solves's 6. Calculator Plus v2 also leads on iOS requirement (12.0 vs 15). Solves's advantage is update cadence (every 3 weeks vs every 2 months). On price, rating, review sentiment and ratings volume 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. Solves sells 6 one-off in-app purchases. Calculator Plus v2 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Solves holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 131 and 381 respectively. Written reviews point the same way: 89% of Calculator Plus v2's written reviews are positive against 91% of Solves's.

UpkeepUpdate frequency

Calculator Plus v2 ships an update every 2 months, Solves every 3 weeks. The most recent releases landed on August 14, 2026 and September 28, 2026 respectively.

Scorecard4 real differences · 6 level
Calculator Plus v2 versus Solves: the parameters behind the verdict, then further details
ParameterCalculator Plus v2Solves
PriceFreeFree
Rating4.7 (131 ratings)4.9 (381 ratings) — better
Positive reviews89.2% of reviews90.6% of reviews — better
Number of ratings131381 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac, Apple WatchiPhone, iPad, iPod, Mac, Apple Watch
Requires iOS12.0 — better15
Further details — not scored
Size14 MB82 MB
Age rating4+4+
DeveloperWern Jie LimOleg Barinov

Customer experience

Calculator Plus v2

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

Solves

All ratings381 ratings
Positive97.1%
Neutral1.0%
Negative1.8%
Written reviews480 reviews
Positive90.6%
Neutral3.8%
Negative5.6%

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

Solves

From 381 App Store ratings

What we love

  • 👍 Excellent calculator app
  • 🚀 Smooth and responsive
  • 🔒 No ads or data collection
  • 💡 Useful features like history, comments, and unit conversions
  • 👍 Clean and intuitive design

Room to improve

  • 🐛 Occasional crashes or bugs after updates
  • 🐛 Issues with certain mathematical operations
  • 🐛 Family sharing not working properly
  • 🐛 Lag or performance issues on some devices
  • 💡 Desire for more advanced features like fractions, base conversions

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

Solves

Reported bugs

4 issues
  • Crashes when pressing certain buttons
  • Issues with parsing complex expressions
  • Incorrect results for some calculations
  • Problems with history clearing or syncing

Requested features

6 requests
  • Add support for fractions and mixed numbers
  • Implement a widget for quick access
  • Allow resizing the app window on Mac
  • Provide more customization options
  • Add support for Apple Watch
Show 1 more
  • Improve unit conversion experience

In-app purchases

None

Calculator Plus v2

No in-app purchases

6 purchases

Solves

One-time6
  • Tip Option #1$0.99
  • Tip Option #2$1.99
  • Tip Option #3$4.99
Show 3 more
  • Tip Option #4$9.99
  • Solves+$9.99
  • Tip Option #5$19.99

Questions

Is Calculator Plus v2 free?
Calculator Plus v2 is free to download, with no in-app purchases.
Is Solves free?
Solves is free to download, with in-app purchases available.
Which has better reviews, Calculator Plus v2 or Solves?
Solves is rated higher. Calculator Plus v2 averages 4.7 out of 5 from 131 ratings, while Solves averages 4.9 from 381 ratings.
Do Calculator Plus v2 or Solves have ads?
Neither Calculator Plus v2 nor Solves shows ads.
Which is updated more often, Calculator Plus v2 or Solves?
Calculator Plus v2 ships an update every 2 months, and Solves every 3 weeks. Most recently, Calculator Plus v2 was updated on August 14, 2026 and Solves on September 28, 2026.

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