SimpliCalc vs Octuple Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SimpliCalc
A sleek, dark-themed calculator app designed for speed and clarity. It offers animated key presses, haptic feedback, and a built-in tip calculator for easy bill splitting. All calculations are performed privately on your device.
- Refined dark theme with crisp typography
- Animated key presses and gentle haptics
- Built-in Tip Calculator for splitting bills
- Essential math functions (+, -, ×, ÷, parentheses)
- Error alerts for invalid entries
- Private and offline calculations
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Meet SimpliCalc — a sleek, everyday calculator designed for speed, clarity, and comfort. It pairs a refined dark theme with crisp typography, animated key presses, and gentle haptics so every tap feels great. And when it’s time to pay the check, the built-in Tip Calculator lets you set a percentage and split with friends in a snap. Why you’ll love it Clean, modern UI: Dark glass panels and bold, legible numbers reduce glare and keep focus on your math. Feels instant: Smooth key-press animations and subtle haptics make every calculation satisfying. Tip Calculator built in: Choose tip %, set people count, see tip, total, and per-person instantly. Essentials done right: +, −, ×, ÷, parentheses, decimals, AC, and backspace—fast and reliable. Error smart: Helpful alerts guide you past invalid entries like mismatched parentheses. Private & offline: All calculations happen on your device—no accounts, no tracking. Thoughtful details Big, scalable display that adapts to long expressions. Operator clarity with a bright accent so you always know what you’re tapping. One-hand friendly layout that keeps common keys within reach. Whether you’re crunching homework, balancing a budget, or splitting dinner, SimpliCalc makes everyday math feel effortless—and a little bit delightful.
Octuple Calc
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Display eight calculators and perform calculations with each one.
Screenshots
Verdict
The clearest difference is ads: SimpliCalc at none against Octuple Calc's shown. SimpliCalc also leads on update cadence (every 2 days vs every 2 weeks). Octuple Calc's advantage is device support (3 vs 1) and iOS requirement (15.8.3 vs 18.0). On price and in-app purchases 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.
SimpliCalc ships an update every 2 days, Octuple Calc every 2 weeks. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.
| Parameter | SimpliCalc | Octuple Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 days — better | Every 2 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.8.3 — better |
| Further details — not scored | ||
| Size | 2 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Morgan Rai | Hideaki Uchikoshi |
In-app purchases
SimpliCalc
No in-app purchases
Octuple Calc
No in-app purchases








