# FormulaPad — Math notes calculator

> Math notes calculator (iPhone/iPad app by 小倩 徐.)

- Source: https://appshunter.io/ios/app/formulapad/id6785820497 (this page in markdown: same URL + `.md`)
- Developer: [小倩 徐](https://appshunter.io/developer/6771586178)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 2 MB
- Languages: American English, Japanese, Chinese (Simplified, China)
- Released: 2026-07-07
- Data updated: 2026-08-23
- User reviews in markdown: https://appshunter.io/ios/app/formulapad/id6785820497/reviews.md

## What is FormulaPad?

FormulaPad is a local-first math notebook calculator for iPhone.

Type natural formulas, reuse variables, keep calculation history, save useful results as notes, and use practical templates for everyday math. FormulaPad is built for students, teachers, engineers, and anyone who wants calculations to stay organized after the answer appears.

Key features:
- Natural formula input and scientific functions
- Variables such as price = 299 and count = 12
- Calculation history with reuse and favorites
- Math notes with title, category, remarks, and result
- Templates for percentage, discount, compound interest, BMI, loan payment, average, triangle area, and speed
- Unit conversion for length, weight, area, volume, temperature, time, and speed
- Simple function plotting for expressions such as x^2 and sin(x)
- Local data storage, no account required
- FormulaPad Pro is a one-time unlock, not a subscription

FormulaPad does not include ads, third-party analytics, tracking, or a custom account system.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| FormulaPad Pro | $0.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-07-07

No release notes.

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## More apps by 小倩 徐

- [DoseNest](https://appshunter.io/ios/app/dosenest/id6771654637)
- [MoodMemoir](https://appshunter.io/ios/app/moodmemoir/id6772068770)
- [StudyPocket](https://appshunter.io/ios/app/studypocket/id6772188847)
- [AlbumMemory](https://appshunter.io/ios/app/albummemory/id6772655691)
- [HomeKeep Pro](https://appshunter.io/ios/app/homekeep-pro/id6772906611)
- [Safe Check-In: Safety Monitor](https://appshunter.io/ios/app/safe-check-in-safety-monitor/id6773598005)

All apps by 小倩 徐: https://appshunter.io/developer/6771586178

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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 2026-08-23.*