CalculatorX vs FocusTimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalculatorX
A fast and customizable calculator app that allows users to personalize themes, button styles, and view calculation history in real-time. Offers various display options and sound feedback for an enhanced user experience.
- Real-time calculation history
- Customizable button colors and shapes
- Multiple themes and light/dark modes
- Decimal precision control
- Exportable calculation history
- Sound effects and voice feedback
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Calculator X is a lightweight and fast calculator designed for efficient computing. Quickly change themes with simple swipe gestures, customize button colors, spacing, and shapes, and view your calculation history in real time. Features: Compact and fast – perform calculations instantly User-friendly gestures – swipe up or down to switch and customize calculator themes Customizable buttons – change button color, spacing, and shape Real-time calculation history – view your previous calculations instantly Export history – save and export your calculation history for easy reference Decimal precision control – choose the number of decimal places Thousands separator – view numbers clearly with thousands grouping Highlighted results – calculation results are displayed prominently Multiple themes – dozens of beautiful calculator themes to choose from Sound effects and voice feedback – support for button sounds and real voice responses Light and dark modes – switch easily to match your preference More features coming soon – we are constantly improving CalculatorX CalculatorX combines speed, customization, and fun to create the perfect calculation experience.
FocusTimer
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Know exactly where your hours go. FocusTimer turns your workday into clear, honest numbers. Clock in with one tap, run deep-work Pomodoro sessions, and see weekly and monthly timesheets you can export in seconds. ONE-TAP TIME TRACKING • Clock in and out from the Today screen, no setup • Live progress ring against your daily target • Predicted check-out time, updated as you work • Breaks tracked separately so totals stay honest • Manual entries, notes and color tags for clients, projects or subjects DEEP FOCUS WITH POMODORO • 25-minute focus sprints with short and long breaks • A long break after every fourth session INSIGHTS THAT MOTIVATE • Weekly and monthly overviews with overtime • Time by tag and daily average • Month heatmap: see which days hit your target • Streaks and achievement badges keep momentum going REPORTS IN SECONDS • Export HTML (email ready) or CSV (spreadsheet) • Any date range, plus backup and restore NEVER FORGET TO CLOCK OUT • Optional check-out reminder at the time you choose PRIVATE BY DESIGN • Works fully offline, no account needed • Your data stays on your device FOCUSTIMER PRO Unlock advanced statistics, the Pomodoro timer, achievements, reports and backups with a weekly or yearly subscription. The yearly plan includes a free trial for eligible new users. Payment is charged to your Apple ID at confirmation. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://emrekotun.github.io/time-wise-privacy-policy/
Screenshots
Verdict
The clearest difference is update cadence: CalculatorX at every 6 days against FocusTimer's every 3 weeks. CalculatorX also leads on iOS requirement (15.0 vs 17.0). On price, 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
Both are free to download. CalculatorX sells 1 one-off in-app purchase and FocusTimer sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
CalculatorX ships an update every 6 days, FocusTimer every 3 weeks. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.
| Parameter | CalculatorX | FocusTimer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | — |
| Positive reviews | 92.9% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 12 MB | 16 MB |
| Age rating | 12+ | 4+ |
| Developer | 学良 靳 | EMRE KOTUN |
In-app purchases
CalculatorX
- Lifetime Premium$2.99
FocusTimer
- Premium Access$4.997 Days
- Premium Access$29.991 Year
- Premium Lifetime Access$9.99









