Calculator X vs Dev Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator X
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Calculator X is a powerful calculator built for developers, students, and anyone who works with numbers beyond the basics. PROGRAMMER'S CALCULATOR Work seamlessly across decimal, binary, hexadecimal, and octal. Toggle individual bits directly on a 64-bit grid, perform bitwise operations (AND, OR, XOR, NOT), and watch all four bases update in real time as you type. 2D FUNCTION GRAPHING Plot any mathematical function of x instantly. Pan and pinch-to-zoom to explore the curve at any scale. Perfect for visualizing equations, finding intersections, and understanding function behavior. 3D SURFACE PLOTTING Enter any function of x and y and see it rendered as a live 3D surface. Rotate with one finger, zoom with a pinch, and pan with two fingers. Gradient coloring makes it easy to read the shape of any surface. MATRIX CALCULATOR Work with matrices up to 8×8. Perform addition, subtraction, multiplication, transpose, determinant, and inverse — all in one place. Results scroll so nothing gets cut off no matter how large your matrix is. ALL FEATURES FREE Every tool is available to every user, no subscription required.
Dev Calc
This app assists developers and programmers with immediate numeric conversions between binary, octal, decimal, and hexadecimal formats. It also provides tools for generating color codes from RGB, HSL, and HSV values, with a color picker and preset options.
- Numeric conversion (Bin, Oct, Dec, Hex)
- Signed/Unsigned options
- Adjustable bit sizes (8, 16, 32, 64)
- RGB, HSL, HSV color code generation
- Color picker
- Preset color options
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You can convert numeric to Bin, Oct, Dec, Hex immediately with Signed, Unsigned. ** Introduction ** This is a calculator app to help System Developers and Programmers. Convert numeric to binary, octal, decimal, hex immediately. You can set conversion bit number and signed/unsigned, so you can adjust settings for binary, short, int, long. Also you can get clolor code for system application from RGB and Color Picker. And you can choose preset color simply. ** Overview ** - Convert numeric to binary, octal, decimal, hex immediately. - You can edit each digits for detailed confirmation. - You can get color code from RGB, HSL, HSV and Color Picker. - Using preset color, you can get color code quickly. ** Characteristics ** >> Numeric conversion - You can input numeric in binary, octal, decimal, hex. - You can choose bits size from 8bits, 16bits, 32bits, 64bits. - You can choose signed numeric or unsigned numeric. - you can edit each digits directly. >> Color code - You can see a color code in Hex, RGB, HSL and HSV. - Support alpha channel of color. - You can get a color code from RGB, HSL, HSV adjuster and Color Picker. - You can get a color code just by choosing a preset color. ** Terms of Use ** https://coconutsdevelop.com/en/terms/terms_of_use.html ** Developer website ** https://coconutsdevelop.com/
Screenshots
Verdict
The clearest difference is in-app purchases: Calculator X at none against Dev Calc's 1. Calculator X also leads on update cadence (every 4 weeks vs every 2 months). Dev Calc's advantage is device support and iOS requirement (13.0 vs 15.6). On price 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. Dev Calc sells 1 in-app purchase, starting at $1.99 per month. Calculator X asks for nothing beyond the download.
Calculator X ships an update every 4 weeks, Dev Calc every 2 months. The most recent releases landed on September 18, 2026 and June 4, 2026 respectively.
| Parameter | Calculator X | Dev Calc |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.0 (2 ratings) — better |
| Positive reviews | — | 60.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 4 weeks — better | Every 2 months |
| Ads | — | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Ahed Qaraqra | Toshiya Hondo |
In-app purchases
Calculator X
No in-app purchases
Dev Calc
- Remove Ads (Monthly)$1.991 Month









