Qr code Reader vs CalcHub
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Qr code Reader
Easily scan QR codes to instantly view their content or create your own personalized QR codes. This tool also allows for editing and beautifying generated codes, with a content management table for easy access.
- Scan QR codes
- Create QR codes
- Edit and beautify QR codes
- Content management table
- Share exclusive QR codes
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Personalized and exquisite QR code generation tool and QR code scanning tool 1. Scan QR code: Quickly scan the QR code to view the content 2. Create QR code: Create and share your exclusive QR code 3. Edit QR code: Beautify and decorate the generated QR code 4 Content Management Table: Instantly view QR code content - Privacy Policy: https://docs.qq.com/doc/DRk9xRkpldEpoUHRM - Terms of Use: https://docs.qq.com/doc/DRnRWZ1FKa05iTHBL
CalcHub
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CalcHub replaces dozens of single-purpose apps with one powerful, offline calculator suite — built for math, finance, fitness, and health. Whether you are a student, professional, or everyday user, CalcHub delivers instant answers across every calculation you need — 100% offline, with absolute privacy. KEY FEATURES 1. Core Mathematical Suite • Basic Calculator: Simple, clutter-free layout for quick day-to-day arithmetic, percentage, and age calculations. • Scientific Calculator: Full array of logarithmic, trigonometric, exponential, and algebraic functions. • Precision Control: Custom decimal precision selectors (up to 10 decimal places) to suit any field. • Smart History Logs: Scroll through past equations and clear your log at any time with a single tap — stored privately on your device. 2. Advanced Financial Tools • Mortgage & Auto Loans: Estimate monthly EMI payments, down payments, and cumulative interest. • CD & Savings Compounding: Forecast compound interest growth with customizable frequency steps. • Tax Bracket Estimators: Calculate federal income tax details instantly. For estimation purposes only — consult a tax professional for filing advice. • Commission Tracker: Compute sales commissions, splits, and profit margins. • Currency Converter: Instantly convert between major world currencies. 3. Health, Wellness & Fitness • BMI & Healthy Weight: Instantly check body mass index and ideal weight estimates. • Daily Calorie & Macro Tracker: Calculate your TDEE and custom carbohydrate, fat, and protein intake breakdowns. • Body Fat Calculator: Estimate body composition percentages based on standard metrics. • Cycle Tracker: Forecast cycles and fertile windows. For informational purposes only — not a substitute for medical advice. 4. Instant Unit & Utility Converters • Unit Converters: Convert length, mass, velocity, pressure, and energy values instantly. • Date & Day Counters: Determine elapsed days between dates or find the day of the week for any year. • Science Kits: Find molecular weight constants, chemical parameters, and common scientific factors. PRIVACY-FIRST COMMITMENT Unlike other calculator apps, CalcHub never monitors your activity or collects your data: • 100% Offline: Every calculation runs entirely on your device. No internet connection required. • Zero Data Collection: No account registration, profiles, or email login required. • No Third-Party SDKs: No trackers, ads, or analytics networks. Your inputs remain entirely yours. • Private Storage: Your settings and history are saved locally and never leave your phone. MODERN DESIGN & UX • Responsive Layouts: Adapts dynamically to all iPhone sizes and orientations. • Light & Dark Mode: Harmonious blue theme that blends seamlessly with iOS system appearance. • Tactile Feedback: Responsive tap states and smooth transitions for a premium, engaging experience.
Screenshots
Verdict
The clearest difference is in-app purchases: CalcHub at none against Qr code Reader's 3. CalcHub also leads on update cadence (every 5 days vs every 14 months). Qr code Reader's advantage is iOS requirement (13.0 vs 17.0). On price, 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
Both are free to download. Qr code Reader sells 3 in-app purchases, starting at $3.99 per 7 days. CalcHub asks for nothing beyond the download.
Qr code Reader ships an update every 14 months, CalcHub every 5 days. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.
| Parameter | Qr code Reader | CalcHub |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | — |
| Positive reviews | 14.3% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 14 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 23 MB | 15 MB |
| Age rating | +9 | 4+ |
| Developer | Aspen Resolve LLC | Prit Tejani |
In-app purchases
Qr code Reader
- Weekly Members3 Days trial$3.997 Days
- Monthly Membership$5.99
- Annual Membership$14.99
CalcHub
No in-app purchases









