Andulator vs Calculator with 12 button
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Andulator
This universal calculator offers traditional functions plus advanced features like equation solving, geometric calculations, and derivative work. Its smart scanner can read math from text, making it ideal for students and daily use.
- Equation solving
- Geometric calculations
- Derivative calculations
- Smart scanner for text input
- Traditional calculator functions
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Andulator combines a scientific calculator, guided solutions and powerful math tools for iPhone and iPad. Work through everyday calculations, check an equation, or explore more with Andulator PRO. SCIENTIFIC CALCULATOR Calculate with trigonometric functions, logarithms, powers, roots and fractions. Switch between degrees and radians, reuse Ans and stored variables, and choose Normal, FIX, SCI or ENG number formats. Edit expressions with the cursor and undo your last changes. SOLVE AND UNDERSTAND Solve linear, quadratic and cubic equations, systems of equations, and equations within a chosen search range. Differentiate expressions, evaluate definite integrals and explore limits. Guided steps are available for supported equations, derivatives and number-theory tools. GEOMETRY, SCANNING AND CONVERSIONS Use geometry formulas with diagrams, convert units and insert physical constants. Scan printed expressions with a supported device's camera, then review and correct the text before calculating. Scientific calculations, Solve, Shapes, scanning, unit conversions and constants are available without a purchase. GO FURTHER WITH ANDULATOR PRO Unlock seven additional toolsets with a single purchase: • Graphs: plot functions, parametric and polar curves, find intersections and explore tables of values. • Statistics: summaries, regression, probability distributions, hypothesis tests and confidence intervals. • Matrices and vectors: calculate determinants, inverses, products, dot products and cross products. • Complex numbers: work in rectangular and polar form, find roots and solve polynomials. • Number systems: explore binary, octal, decimal and hexadecimal values with bitwise operations. • Practice: try similar problems with hints and answer checks. • Saved work: return to named calculations, solved problems and your calculation history. ONE PURCHASE. NO SUBSCRIPTION. Andulator PRO is an optional, one-time in-app purchase. Restore an existing purchase from Settings or the paywall. Calculations run on your device. An internet connection is required to load purchase information, purchase PRO or restore purchases. Camera scanning requires a supported device and camera permission. No account registration is required. Privacy Policy: https://www.inasgroup.net/apps/andulator/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Calculator with 12 button
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A calculator with a (12) button that allows for fast typing
Screenshots
Verdict
The clearest difference is in-app purchases: Calculator with 12 button at none against Andulator's 1. Andulator's advantage is ads (none vs shown) and update cadence (every 11 days vs every 2 months). On price 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. Andulator sells 1 one-off in-app purchase. Calculator with 12 button asks for nothing beyond the download.
Andulator ships an update every 11 days, Calculator with 12 button every 2 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.
| Parameter | Andulator | Calculator with 12 button |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 11 days — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 20 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Niko Inas | Hideaki Uchikoshi |
In-app purchases
Andulator
- Andulator Pro Lifetime Access$9.99
Calculator with 12 button
No in-app purchases





