# Graphing Calculator 84 CE Plus vs Math Surface

The clearest difference is in-app purchases: Math Surface at none against Graphing Calculator 84 CE Plus's 4. Math Surface also leads on update cadence (weekly vs every 2 months). Graphing Calculator 84 CE Plus's advantage is ads (none vs shown) and iOS requirement (17.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. Graphing Calculator 84 CE Plus sells 4 in-app purchases, starting at $1.99 per month. Math Surface asks for nothing beyond the download.

Graphing Calculator 84 CE Plus ships an update every 2 months, Math Surface weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Graphing Calculator 84 CE Plus | Math Surface |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Size | 8 MB | 10 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Manh Nguyen](https://appshunter.io/developer/1864580525) | [yuya kanbetsunawa](https://appshunter.io/developer/1597026161) |

## What reviewers say

### Graphing Calculator 84 CE Plus

[App page](https://appshunter.io/ios/app/graphing-calculator-84-ce-plus/id6764884928)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Annual Pro | $9.99 | per year |
| Lifetime Pro | $5.99 | one-time |
| Lifetime Pro | $29.99 | one-time |


### Math Surface

[App page](https://appshunter.io/ios/app/math-surface/id6774883910)

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

**In-app purchases:** none


## Frequently asked questions

### Is Graphing Calculator 84 CE Plus free?

Graphing Calculator 84 CE Plus is free to download, with in-app purchases available.

### Is Math Surface free?

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

### Do Graphing Calculator 84 CE Plus or Math Surface have ads?

Math Surface shows ads; Graphing Calculator 84 CE Plus does not.

### Which is updated more often, Graphing Calculator 84 CE Plus or Math Surface?

Graphing Calculator 84 CE Plus ships an update every 2 months, and Math Surface weekly. Most recently, Graphing Calculator 84 CE Plus was updated on November 5, 2026 and Math Surface on October 31, 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.*