# Geekmath Classic vs SubSum

The clearest difference is price: SubSum at Free against Geekmath Classic's $2.99. Geekmath Classic's advantage is update cadence (daily vs every 4 months) and device support (4 vs 2). On ads and in-app purchases there is nothing between them.

SubSum is free to download; Geekmath Classic costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Geekmath Classic ships an update daily, SubSum every 4 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Geekmath Classic | SubSum |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 months |
| Size | 27 MB | 2 MB |
| Requires iOS | **14.0** | 17 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Jian Chen](https://appshunter.io/developer/1439030851) | [桥 汪](https://appshunter.io/developer/1658027527) |

## What reviewers say

### Geekmath Classic

[App page](https://appshunter.io/ios/app/geekmath-classic/id6503036374)

**Features:** Vision Pro support

**In-app purchases:** none


### SubSum

[App page](https://appshunter.io/ios/app/subsum/id6754885566)

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

**In-app purchases:** none


## Frequently asked questions

### Is Geekmath Classic free?

Geekmath Classic costs $2.99, with no in-app purchases.

### Is SubSum free?

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

### Do Geekmath Classic or SubSum have ads?

Neither Geekmath Classic nor SubSum shows ads.

### Which is updated more often, Geekmath Classic or SubSum?

Geekmath Classic ships an update daily, and SubSum every 4 months. Most recently, Geekmath Classic was updated on October 9, 2026 and SubSum on October 12, 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.*