CalcTooi vs Octuple Calc
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
CalcTooi
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CalcTooi is an exquisitely designed app that combines "classic style", "easy to use" and "fun". Guided by "less but better", it caters to daily math and basic calculation needs. In addition, the ability to save numbers as retro stickers lets you explore the fun of digital games like Beghilosz and more. Tags: Free | No ads | Optimized for iPhone | Pocket Calculator | Math Tool | Arithmetic Toy @ Better Design % β’ Classic Design: Inspired by the iconic Pocket ET66 handheld calculator, combining a retro aesthetic with modern simplicity. β’ Retro Theme: A fresh take on 80s nostalgia with dual dark and light themes that adapt seamlessly to your system settings. β’ Intuitive Use: Tailored for iPhone: lightweight, intuitive, offline-ready, and offering a smooth, native-like experience. ... @ Useful Tool % β’ Basic Calculation: Ready to use anytime, supports long-form, percentage conversions, positive/negative number and backspace for correction. β’ Save Calculations: Long press the screen to capture input formulas or results, with the option to save directly to your photo album. ... @ Fun Gameplay % β’ Number Games: Explore various calculator spelling or arithmetic games, experience retro culture or enjoy the moment of interaction with family and friends β’ Make Stickers: Enter secret codes, long press the screen to preview or flip designs, and create personalized stickers with one tap. ... Why choose CalcTooi ? Whether youβre seeking a modern digital replacement for retro electronics, a minimalist daily calculator, or an entertaining and educational math gadget, CalcTooi is worth a try. It might just become your go-to tool, silently serving your needs day after day. CalcTooi is free to download nowβget started and explore it today! οΌοΌ
Octuple Calc
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Display eight calculators and perform calculations with each one.
Screenshots
Verdict
The clearest difference is in-app purchases: Octuple Calc at none against CalcTooi's 1. Octuple Calc also leads on device support (3 vs 1) and iOS requirement (15.8.3 vs 17.0). CalcTooi's advantage is ads (none vs shown). On price and update cadence there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. CalcTooi sells 1 one-off in-app purchase. Octuple Calc asks for nothing beyond the download.
CalcTooi ships an update weekly, Octuple Calc every 2 weeks. The most recent releases landed on September 11, 2026 and September 10, 2026 respectively.
| Parameter | CalcTooi | Octuple Calc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly β better | Every 2 weeks |
| Ads | No β better | Yes |
| In-app purchases | Yes | No β better |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 17.0 | 15.8.3 β better |
| Further details β not scored | ||
| Size | 6 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | S.H.Y Art&Tech Office | Hideaki Uchikoshi |
In-app purchases
CalcTooi
- Buy a Coffee$3.00
Octuple Calc
No in-app purchases
Questions
Is CalcTooi free?
Is Octuple Calc free?
Do CalcTooi or Octuple Calc have ads?
Which is updated more often, CalcTooi or Octuple Calc?
Other comparisons
