# MSRX AI Calculator — On-device AI. Exact answers.

> On-device AI. Exact answers. (iPhone/iPad app by Mrinal Singh Raja.)

- Source: https://appshunter.io/ios/app/msrx-ai-calculator/id6759639887 (this page in markdown: same URL + `.md`)
- Developer: [Mrinal Singh Raja](https://appshunter.io/developer/1879524280)
- Category: Productivity, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 26.2 · 7 MB
- Languages: American English
- Released: 2026-03-06
- Data updated: 2026-08-20
- User reviews in markdown: https://appshunter.io/ios/app/msrx-ai-calculator/id6759639887/reviews.md

## What is MSRX AI Calculator?

MSRX AI Calculator answers everyday maths the way you would ask it out loud, and shows you how it got there.

Type or dictate a question — "split an 84.50 bill with a 20% tip between three", "30% off 149", "add 8.5% tax to 60", "12 km to miles", "300000 loan at 6.5% over 25 years". You get the number, a plain-English answer, and the working, so you can check it rather than trust it.

EXACT BY DESIGN
The intelligence reads your question. A separate maths engine does the arithmetic. Every figure on screen comes from that engine, never from a language model guessing at digits — so a tip split lands on 28.32, not a plausible 28.30.

A TAPE, NOT A BOX
The display keeps the roll. Recent calculations sit above the current line, ruled off like a printing calculator, and any of them can be tapped to reuse. Select several in History to read their running total, or export the roll as a PDF.

A PROPER CALCULATOR UNDERNEATH
• Standard and scientific keypads
• Trigonometry in degrees or radians, inverse and hyperbolic functions
• Logarithms, roots, powers, factorials, brackets and constants
• Memory keys, a reusable last answer, and live results as you type
• Full hardware keyboard support on iPad

NAME THE FIGURES YOU REUSE
Type tax = 8.5 once, then use "tax" in any calculation. Change it and every expression that reads it follows.

CONVERTER
Length, mass, temperature, volume, area, speed, time, data, angle — and currency, using daily reference rates, with the source and publication date always on screen.

ASK FROM ANYWHERE
Siri, Spotlight and Shortcuts answer without opening the app. A widget keeps the last result on your Home or Lock Screen, and a Control Centre button opens the calculator ready for a question.

HISTORY THAT REMEMBERS
Every calculation and answer is kept, searchable and pinnable. Tap any entry to load it back into the keypad.

PRIVATE BY DEFAULT
No account, no sign-up, no advertising, no analytics, no tracking. Your keypad calculations, named values and history are local to your device. Newer Phones answer plain-language questions on-device too. On older Phones a built-in offline solver handles the everyday ones, and only the questions it cannot parse are sent — as text alone, with no identity attached — to an AI service to be answered.

Designed and built by MSRX.


## Version history (last 2 releases)

### 3.0 — 2026-08-19

A complete rebuild, and a new name: Numly is now MSRX AI Calculator.

THE DISPLAY IS NOW A TAPE
Recent calculations stay visible above the current line, ruled off like a printing calculator. Tap any of them to reuse the result.

FASTER, AND OFFLINE MORE OFTEN
Newer Phones answer plain-language questions entirely on-device. Older Phones answer the everyday ones offline too, and fall back to an AI service only for the rest. You never have to choose or set anything.

A NEW CALCULATION ENGINE
Division, precedence, brackets and roots are now exact, and malformed input reports a clear error instead of failing quietly.

ALSO NEW
• Running totals — select lines in History and read their sum
• Named values — type tax = 8.5 once, use it everywhere
• Currency conversion with the rate source and date always shown
• Export your tape as a PDF
• Siri, Spotlight and Shortcuts support
• Home Screen and Lock Screen widgets, and a Control Centre button
• Full hardware keyboard support on iPad
• Dictate a question instead of typing it
• Redesigned throughout, in light and dark

Every answer can still show its working.

### 2.0 — 2026-03-06

No release notes.

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## More apps by Mrinal Singh Raja

- [PDFCompressor.Shrink PDF](https://appshunter.io/ios/app/pdfcompressorshrink-pdf/id6759563556)
- [MSRX PassportFast](https://appshunter.io/ios/app/msrx-passportfast/id6759985939)
- [GuardTrack Pro](https://appshunter.io/ios/app/guardtrack-pro/id6774895956)

All apps by Mrinal Singh Raja: https://appshunter.io/developer/1879524280

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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 2026-08-20.*