Eleven | Calculator vs Cube Root Calculator SDG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Eleven | Calculator
This app offers a real-time calculation experience without an equals button, allowing you to see and edit your entire equation. It supports long calculations, unlimited undo/redo, and intelligent buttons for a streamlined user interface. Advanced scientific functions are available as an in-app purchase.
- Real-time calculation without equals button
- Editable entire calculation history
- Unlimited undo and redo
- Intelligent and context-aware buttons
- Supports basic and advanced operations
- Scientific calculator functions (in-app purchase)
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The BEST everyday calculator app for iPhone and iPad. - No equals button: Always automatically calculates the result in real-time while you type - No confusion: You can always see AND edit your entire calculation - Enter calculations of (almost) any length: The display and keypad automatically resize to fit - Tap or slide across the display to edit your calculation at any position - Unlimited Undo and Redo - More readable: Uses color to distinguish between numbers and operators - Intelligent buttons: Only those buttons light up which are relevant at any given time and cursor position - Gorgeous analog-style design - Four themes / skins included - Extremely fast. - Supports all basic operations: + - × ÷ √ - Supports advanced operations: ∛ x² x³ - Supports brackets ( ) - Supports results up to +/- 10³⁰⁰ - Long-tap the result to copy it to the clipboard SCIENTIFIC CALCULATOR! (landscape orientation, available as In-App Purchase) - Power function with fully editable exponent. - Root function with fully editable degree. - Logarithm function with fully editable base. - Trigonometric functions: sin, cos, tan. - Inverse trigonometric functions: asin, acos, atan. - Hyperbolic functions: sinh, cosh, tanh. - Inverse hyperbolic functions: asinh, acosh, atanh. - Factorial function (integers only). - Modulo (remainder) operator (mod). - Smart constants: π, e. - Smart random number generator. - No mode switching -- all functions immediately available.
Cube Root Calculator SDG
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Cube Root Calculator helps you to calculate the cube root of the number in an easy way.
Screenshots
Verdict
The clearest difference is in-app purchases: Cube Root Calculator SDG at none against Eleven | Calculator's 1. Eleven | Calculator's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Eleven | Calculator sells 1 one-off in-app purchase. Cube Root Calculator SDG asks for nothing beyond the download.
Eleven | Calculator ships an update every 8 months, Cube Root Calculator SDG every 12 months. The most recent releases landed on August 28, 2026 and May 16, 2026 respectively.
| Parameter | Eleven | Calculator | Cube Root Calculator SDG |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 8 months — better | Every 12 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.4 | 11.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Ewering | SDG CODE DOO NIS |
In-app purchases
Eleven | Calculator
- Scientific Calculator$0.99
Cube Root Calculator SDG
No in-app purchases
Questions
Is Eleven | Calculator free?
Is Cube Root Calculator SDG free?
Do Eleven | Calculator or Cube Root Calculator SDG have ads?
Which is updated more often, Eleven | Calculator or Cube Root Calculator SDG?
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