# Pre vs Dollar and Cent

The clearest difference is price: Pre at Free against Dollar and Cent's $0.99. Pre also leads on iOS requirement (15.0 vs 17.0). Dollar and Cent's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 31 months). On ads and device support there is nothing between them.

Pre is free to download; Dollar and Cent costs $0.99 up front. Pre sells 1 in-app purchase, starting at $4.99 per month. Dollar and Cent asks for nothing beyond the download.

Pre ships an update every 31 months, Dollar and Cent every 4 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Pre | Dollar and Cent |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 4 months** |
| Size | 296 MB | 27 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Math Galaxy](https://appshunter.io/developer/500490521) | [Murat Saygin](https://appshunter.io/developer/1835723040) |

## What reviewers say

### Pre

[App page](https://appshunter.io/ios/app/pre-algebra-fundamentals/id551027794)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PreAlgebra - Math Galaxy | $4.99 | per month |


### Dollar and Cent

[App page](https://appshunter.io/ios/app/dollar-and-cent/id6757005440)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pre free?

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

### Is Dollar and Cent free?

Dollar and Cent costs $0.99, with no in-app purchases.

### Do Pre or Dollar and Cent have ads?

Neither Pre nor Dollar and Cent shows ads.

### Which is updated more often, Pre or Dollar and Cent?

Pre ships an update every 31 months, and Dollar and Cent every 4 months. Most recently, Pre was updated on November 8, 2026 and Dollar and Cent 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.*