i vs Calculator Abacus Suite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
i
Transform your smartphone into a powerful magnification tool. Observe and record microscopic details with your phone's camera and a macro lens. Measure objects with a scale bar and add notes to your digital micrographs.
- Professional magnification tool
- Record digital micrographs
- Optical magnification
- Up to 10x digital zoom
- Scale bar for measurement
- Add notes and remarks
- Direct photo sharing
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Use this app to work with smartphone microscopes or any phone macro-lens as an professional magnification tool to observe tiny objects and record digital micrographs with your Phone. Features: Capture of photos with tiny objects as you do with sophisticated optical microscope Optical magnification ratio depending on your smartphone microscope Up to 10x digital magnification in App Scale bar for objects measurement which can be toggled on/off Automatic recording of shooting date and time Allow you to add notes and remarks to your picture Direct sharing of photos with email, message. Attach smartphone microscope to your Phone and convert it into a convenient portable microscope. Capture and save micrographs. Zoom in on photos and tag pictures with comments. Access your photos from your i-Seeing app, email them to your computer and colleagues. More detail at: www.mobile-scope.com
Calculator Abacus Suite
This comprehensive suite offers 74 specialized calculators for finance, health, math, engineering, and everyday tasks. It prioritizes privacy by performing all calculations locally on your device with no data collection.
- 74 specialized calculators
- Financial planning tools
- Health and fitness trackers
- Advanced math functions
- Engineering tools
- Unit and IP subnet conversion
- Privacy-first local calculations
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### The Abacus Calculator Suite - Your Complete Calculator Suite Transform your iPhone and iPad into a powerful, professional calculator suite with 74 specialized calculators designed for everyday tasks, complex calculations, and professional work. Built with iOS 26's stunning Liquid Glass design language, The Abacus combines beauty with functionality. ### 74 Professional Calculators ** Financial (26 calculators)** Plan your financial future with comprehensive tools: Loan/EMI Calculator, Mortgage Calculator with amortization schedules, Compound Interest, Savings Goal Planner, Investment Return Analyzer, Retirement Planner, Tax Calculator (Income & Sales), Tip Calculator, Discount Calculator, Margin Calculator, Break-Even Analysis, ROI Calculator, Car Loan Calculator, Down Payment Calculator, Lease vs Buy Calculator, Amortization Schedule, Debt Payoff Planner, Inflation Calculator, Present Value, Future Value, Currency Converter, SIP Calculator, Refinance Calculator, and Markup Calculator. ** Fitness & Health (10 calculators)** Track your health and fitness goals with medically-accurate calculators: BMI Calculator, BMR (Basal Metabolic Rate), Calorie Calculator, Body Fat Percentage, Ideal Weight Calculator, Heart Rate Zones, Protein Intake Calculator, TDEE (Total Daily Energy Expenditure), Macro Calculator, and Pregnancy Due Date Calculator. All health calculators include peer-reviewed medical citations from WHO, CDC, and medical journals for accuracy and compliance. ** Math (11 calculators)** Master mathematics with powerful tools: Percentage Calculator, Fraction Calculator, Ratio Calculator, Average Calculator, Standard Deviation, Quadratic Equation Solver, Prime Number Checker, GCF/LCM Calculator, Standard Calculator (Apple-inspired button interface), Programmer Calculator (Binary/Octal/Decimal/Hex with bitwise operations), and Scientific Calculator (Trigonometry, logarithms, and advanced functions). **Engineering (17 calculators)** Professional engineering tools for students and professionals: Unit Converter (comprehensive conversions), Land Measurement, Ohm's Law Calculator, Power Calculator, Frequency Calculator, Wavelength Calculator, Resistance Calculator, Binary Operations, Number System Converter, IP Subnet Calculator, Color Converter, Cutlist Optimizer with AI-powered optimization and DXF/PDF export, Room Size Calculator, Floor Area Calculator, Wall Area Calculator, Paint Calculator, and Tile Calculator. ** Other (10 calculators)** Essential everyday tools: Age Calculator, Date Difference Calculator, Timezone Converter, GPA Calculator, Password Generator, Grade Calculator, Trip Cost Calculator, Solar Panel Calculator with 25-year ROI analysis, Wind Energy Calculator, and Fuel Efficiency Calculator. ### Privacy-First Architecture Your privacy matters. The Abacus: - Performs ALL calculations locally on your device - Collects ZERO user data - Sends NO analytics or tracking information - Requires NO internet connection for calculations - All data encrypted with iOS Data Protection - Optional biometric authentication for app access
Screenshots
Verdict
The clearest difference is review sentiment: Calculator Abacus Suite at 100% against i's 20%. Calculator Abacus Suite also leads on rating (5.0 vs 2.7) and update cadence (every 11 days vs every 14 months). i's advantage is ratings volume (35 vs 2) and iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Calculator Abacus Suite holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: i has 35 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 20% of i's written reviews are positive against 100% of Calculator Abacus Suite's.
i ships an update every 14 months, Calculator Abacus Suite every 11 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.
| Parameter | i | Calculator Abacus Suite |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (35 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 20.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 35 — better | 2 |
| Update frequency | Every 14 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 6 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Shanghai Qingying Electronic Technology LLC | Clever Algorithm |
Customer experience
i
Calculator Abacus Suite
In-app purchases
i
No in-app purchases
Calculator Abacus Suite
No in-app purchases
