# GraphCalcPro2Go vs Quick Math for Watch

The clearest difference is price: GraphCalcPro2Go at Free against Quick Math for Watch's $5.99. GraphCalcPro2Go also leads on update cadence (every 3 months vs every 41 months). Quick Math for Watch's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 18.6). On ads and device support there is nothing between them.

GraphCalcPro2Go is free to download; Quick Math for Watch costs $5.99 up front. GraphCalcPro2Go sells 1 one-off in-app purchase. Quick Math for Watch asks for nothing beyond the download.

GraphCalcPro2Go ships an update every 3 months, Quick Math for Watch every 41 months. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | GraphCalcPro2Go | Quick Math for Watch |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[4.6 (40 ratings)](https://appshunter.io/ios/app/graphcalcpro2go/id1091870099/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 41 months |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 2 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Starware Software LLC](https://appshunter.io/developer/988250389) | [Khuong Pham](https://appshunter.io/developer/1593197909) |

## What reviewers say

### GraphCalcPro2Go

[App page](https://appshunter.io/ios/app/graphcalcpro2go/id1091870099)

This advanced scientific calculator offers ultra-high precision and a wide range of functions, replicating expensive handheld devices with added iOS capabilities. It supports both standard and RPN modes, includes built-in constants, and syncs across devices via iCloud. Users can also create graphs and share calculations.

**Highlights:** Ultra high precision and range, Standard (in-fix) and RPN modes, Built-in constants and unit conversions, iCloud sync across devices, Create and share graphs, Apple Watch compatibility

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


### Quick Math for Watch

[App page](https://appshunter.io/ios/app/quick-math-for-watch/id1485794967)

**In-app purchases:** none


## Frequently asked questions

### Is GraphCalcPro2Go free?

GraphCalcPro2Go is free to download, with in-app purchases available.

### Is Quick Math for Watch free?

Quick Math for Watch costs $5.99, with no in-app purchases.

### Do GraphCalcPro2Go or Quick Math for Watch have ads?

Neither GraphCalcPro2Go nor Quick Math for Watch shows ads.

### Which is updated more often, GraphCalcPro2Go or Quick Math for Watch?

GraphCalcPro2Go ships an update every 3 months, and Quick Math for Watch every 41 months. Most recently, GraphCalcPro2Go was updated on September 29, 2026 and Quick Math for Watch on October 1, 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.*