# CalcSMART vs iSpeed Pro

The clearest difference is rating: CalcSMART at 5.0 against iSpeed Pro's 4.3. CalcSMART also leads on in-app purchases (none vs 1) and iOS requirement (15.0 vs 18.6). iSpeed Pro's advantage is update cadence (every 2 days vs every 2 months). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. iSpeed Pro sells 1 one-off in-app purchase. CalcSMART asks for nothing beyond the download.

CalcSMART holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 6 respectively.

CalcSMART ships an update every 2 months, iSpeed Pro every 2 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | CalcSMART | iSpeed Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/calcsmart/id6749968296/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/ispeed-pro-hud-cockpit/id6761203509/reviews) |
| Number of ratings | 3 | **6** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 18 MB | 12 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Malachi Brown](https://appshunter.io/developer/1832966067) | [AMAXIM APPS, INC](https://appshunter.io/developer/488569471) |

## What reviewers say

### CalcSMART

[App page](https://appshunter.io/ios/app/calcsmart/id6749968296)

This intelligent calculator offers advanced problem-solving capabilities through photo, voice, or handwriting input. It provides step-by-step explanations for complex equations, features revolutionary graphing, and supports universal language. Ideal for students, professionals, and everyday users needing advanced mathematical assistance.

**Highlights:** Photo, voice, and handwriting input, Step-by-step equation explanations, Revolutionary graphing, Financial analysis tools, Universal language support, Specialized formulas for various professions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### iSpeed Pro

[App page](https://appshunter.io/ios/app/ispeed-pro-hud-cockpit/id6761203509)

This app provides a heads-up display for drivers and boaters, showing real-time speed, G-forces, and environmental data. It features a precision performance timer and a marine compass, all optimized for a clear, distraction-free cockpit experience.

**Highlights:** Heads-Up Display (HUD) mirroring, Hybrid performance timer (0-60 MPH), Live marine compass, Advanced weather and wind data, Crosswind alerts, Precision analog dial

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Performance Mode | $4.99 | one-time |


## Frequently asked questions

### Is CalcSMART free?

CalcSMART is free to download, with no in-app purchases.

### Is iSpeed Pro free?

iSpeed Pro is free to download, with in-app purchases available.

### Which has better reviews, CalcSMART or iSpeed Pro?

CalcSMART is rated higher. CalcSMART averages 5.0 out of 5 from 3 ratings, while iSpeed Pro averages 4.3 from 6 ratings.

### Do CalcSMART or iSpeed Pro have ads?

Neither CalcSMART nor iSpeed Pro shows ads.

### Which is updated more often, CalcSMART or iSpeed Pro?

CalcSMART ships an update every 2 months, and iSpeed Pro every 2 days. Most recently, CalcSMART was updated on November 5, 2026 and iSpeed Pro on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*