# Just Calc. — Scientific calculator, no fuss

> Scientific calculator, no fuss (iPhone/iPad app by Yuqin Lin.)

- Source: https://appshunter.io/ios/app/just-calc/id6822245169 (this page in markdown: same URL + `.md`)
- Developer: [Yuqin Lin](https://appshunter.io/developer/6822245171)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.0 · 9 MB
- Languages: American English
- Released: 2026-10-22
- Data updated: 2026-11-10

## What is Just Calc.?

Just Calc. is a scientific calculator made for students and everyday use, with a clean interface and a solid feel. Make it yours with 8 theme packs, each with its own colours, keys, fonts, artwork and app icon.

TWO CALCULATOR MODELS, ONE APP
• Scientific model: formula library (FMLA) and constants library (CONST)
• Programmable model: adds integral ∫, derivative d/dx and a Break command for programs, with statistics data limits like the real thing
• Each model keeps its own settings and programs. Switching is free.

FREE
• All calculation modes: COMP, statistics, complex numbers, number bases and more
• Fractions (improper or mixed), angle units and number format settings
• Statistics (single-variable and two-variable)
• Programs: P1 and P2, with 6 built-in presets you can insert straight from a list while editing
• 4 colour themes with Smooth key texture
• English and Traditional Chinese interface

THEME PACKS (buy one at a time, one-time purchase)
Minimalist (new), Color Blocks, Retro OS, Neo Brutal, Y2K Desktop, Pixel Pastel, Doodle, Summer Comic

PRO (one-time purchase, not a subscription)
• All theme packs, including any new packs released later
• All colour themes and key textures
• Program slots P3 and P4
• No ads

PRIVACY
Your calculations and history stay on your device. No account needed. The free version shows ads; see the privacy policy for details.

Just Calc. is not affiliated with any calculator manufacturer.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Minimalist | $0.99 | one-time |
| Unlock Premium | $7.99 | one-time |
| Color Blocks Pack | $0.99 | one-time |
| Neo Brutal Pack | $0.99 | one-time |
| Y2K Desktop Pack | $0.99 | one-time |
| Retro OS Pack | $0.99 | one-time |
| Pixel Pastel Pack | $0.99 | one-time |
| Doodle Pack | $0.99 | one-time |
| Summer Comic Pack | $0.99 | one-time |


## Is Just Calc. safe?

Not enough ratings yet to assess Just Calc..

## Is Just Calc. legit?

Just Calc. has limited verification signals. The AppsHunter Legitimacy Score for Just Calc. is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 3 releases)

### 1.2 — 2026-11-06

• Share programs by QR code, and load them by scanning
• Convert FMLA and program results to fractions
• log(a,b) with any base on all models
• BASE mode remembers your last base and converts the answer
• EXE right after a function now uses Ans automatically

### 1.1 — 2026-10-26

• New theme pack: Minimalist – off-white body, fused keys and its own key sound.
• New: a second, programmable calculator model. Switch in Settings → Calculator model.
• New: integral ∫ and derivative d/dx.
• New program preset: Two linear equations v2 (ax + by = c).
• A shortcut to the preset list when you edit a program.

### 1.0 — 2026-10-23

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-10.*