# CalMemo Stadio > CalMemo Stadio (iPhone/iPad app by Udagagwa Rie.) - Source: https://appshunter.io/ios/app/calmemo-stadio/id6757178967 (this page in markdown: same URL + `.md`) - Developer: [Udagagwa Rie](https://appshunter.io/developer/1865092161) - Category: Productivity, Utilities - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 16.6 · 115 MB - Languages: English, French, German, Italian, Japanese, Korean, Portuguese, Chinese, Spanish - Released: 2026-03-01 - Data updated: 2026-09-17 - User reviews in markdown: https://appshunter.io/ios/app/calmemo-stadio/id6757178967/reviews.md ## What is CalMemo Stadio? 【Calculate. Remember. Reuse. CalMemo does it all.】 "I wish I could redo that calculation." "Typing the same formula over and over is tedious." "I want to save my calculations with notes." CalMemo solves all of these problems. ---------------------------------------- ▼ What CalMemo Can Do ---------------------------------------- 【Auto-Save Calculation History】 Every calculation is automatically saved. Revisit past results, copy values, and continue where you left off. 【Formula Studio – Create Your Own Formulas】 Save your frequently used formulas and recall them with a single tap. Tax calculations, discounts, BMI, loan interest... build your own personalized calculator. 【Equation Solver】 Need to find the value of x? Just enter your equation and let CalMemo solve it. From linear equations to systems of equations, get instant answers. 【Structural Lab - Structural Calculation for Architecture & Civil Engineering】 Supports structural analysis of beams (horizontal) and columns (vertical). Considers not only concentrated and distributed loads but also the self-weight of members to instantly calculate and graph bending moments, shear forces, deflection, and more. Strongly supports everything from quick on-site checks to learning. 【Notes + Calculator in One】 Insert calculation results directly into your notes. Perfect for estimates, budgets, travel expense splits, and more. 【Unit & Currency Converter】 Convert length, weight, temperature, and currencies in real-time. Essential for international shopping and travel. 【Home Screen Widget】 Calculate without even opening the app. The fastest way to crunch numbers. ---------------------------------------- ▼ Perfect For ---------------------------------------- ・Anyone who wants to save calculation history ・Users who repeat the same calculations often ・Students and professionals solving equations ・People tired of switching between notes and calculator ・Anyone who wants instant calculations from Home Screen ---------------------------------------- ▼ CalMemo Premium ---------------------------------------- Unlock the full experience: ・Ad-free for distraction-free calculating ・Full access to Formula Studio & Equation Solver ・Calculator Widget for Home Screen ・Expanded keyboard customization slots ---------------------------------------- Calculating isn't just a task. With CalMemo, make it smarter. Make it yours. Download now and experience a new way to calculate. ---------------------------------------- Terms of Use: https://www.notion.so/Terms-of-Use-End-User-License-Agreement-2f45c1eb92a480069955e6d1b3adeb53?source=copy_link ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | CalMemo Premium (Monthly) | $2.99 | per month | | CalMemo Premium (Yearly) | $14.99 | per year | ## Version history (last 3 releases) ### 1.1.1 — 2026-05-25 Fixed an issue where unexpected decimal places were displayed in some calculation results. ### 1.1.0 — 2026-05-17 In this update, we have added new features and improved overall performance! [New Feature] A dedicated "Calculator" tab has been added to the Structural Lab. You can now perform calculations smoothly while checking your calculation history without switching screens. [Improvement] Improved the layout of the Formula Lab for a more intuitive user experience. [Improvement] Optimized internal processing in the Structural Lab, resulting in significantly faster calculation speeds. Optimized the calculator keyboard layout for structural calculations, including a toggle to show/hide function keys. Adjusted UI layouts and fixed minor bugs to improve overall stability and usability. ### 1.0 — 2026-03-01 No release notes. ## Apps similar to CalMemo Stadio | App | Rating | Price | Category | | --- | --- | --- | --- | | [ぺたっとメモ](https://appshunter.io/ios/app/id6771320241) | — | Free | Productivity | | [Jotsum: Calculator Notepad](https://appshunter.io/ios/app/jotsum-calculator-notepad/id6785305380) | — | Free | Productivity | | [享做思维](https://appshunter.io/ios/app/id6791515260) | — | Free | Productivity | | [CalcNote: Calc Log & Folders](https://appshunter.io/ios/app/calcnote-calc-log-and-folders/id6780283322) | — | Free | Productivity | | [Nib - Handwritten Diary](https://appshunter.io/ios/app/nib-handwritten-diary/id6763570270) | — | Free | Productivity | | [BindNotes](https://appshunter.io/ios/app/bindnotes/id6760912101) | — | Free | Productivity | --- *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 2026-09-17.*