Comparison

Calculator Plus v2 vs Locus

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

Locus

Features
Read full description

A focus timer that makes deep work feel rewarding. Start a session, stay locked in, see your focused hours stack up over time. No virtual trees, no social guilt — just clean, satisfying focus tracking. START FOCUSING IN ONE TAP Tap to start a 25-minute Pomodoro session. A beautiful ring fills as you focus. When the timer ends, you feel it — satisfying haptics and a completion animation that makes finishing a session feel like an achievement. OVERFLOW MODE Hit your 25 minutes but still in the zone? Keep going. Locus tracks your overflow time separately so you get credit for every focused minute, not just the ones on the clock. SMART BREAKS After each focus session, take a timed break. Locus prompts you when it's time to rest and when it's time to get back to work. TRACK YOUR FOCUS HABIT See today's focused minutes, this week's total, and your all-time session count. Watch your focus habit build over time. PRO STATS Unlock the full picture with Pro — contribution graph (GitHub-style heatmap of your focus history), weekly streaks with a forgiving grace system, adjustable weekly goals, custom session durations, and CSV export. BUILT FOR ADULTS No gamification gimmicks. No growing virtual plants. No leaderboards. Just a beautiful timer, meaningful stats, and the satisfaction of deep work done well. SIMPLE PRICING Free with unlimited sessions and basic stats. Locus Pro unlocks detailed analytics, custom durations, and focus history export — one payment of $5, no subscription, yours forever. Works offline. No account required. Your data stays on your device.

Screenshots

Calculator Plus v24 screens
Locus4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator Plus v2 at none against Locus's 1. Calculator Plus v2 also leads on device support (5 vs 2) and iOS requirement (12.0 vs 15.1). On price and ads 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. Locus sells 1 one-off in-app purchase. Calculator Plus v2 asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Calculator Plus v2 versus Locus: the parameters behind the verdict, then further details
ParameterCalculator Plus v2Locus
PriceFreeFree
Rating4.7 (131 ratings) — better—
Positive reviews89.2% of reviews—
Number of ratings131 — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size14 MB34 MB
Age rating4+4+
DeveloperWern Jie LimAndrew Osborne

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

Locus

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Calculator Plus v2

No in-app purchases

1 purchases

Locus

One-time1
  • Locus Pro$4.99

Questions

Is Calculator Plus v2 free?
Calculator Plus v2 is free to download, with no in-app purchases.
Is Locus free?
Locus is free to download, with in-app purchases available.
Do Calculator Plus v2 or Locus have ads?
Neither Calculator Plus v2 nor Locus shows ads.

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