# SAT Prep Quest vs Zippyflash SAT Prep

The clearest difference is in-app purchases: SAT Prep Quest at none against Zippyflash SAT Prep's 1. Zippyflash SAT Prep's advantage is update cadence (every 11 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zippyflash SAT Prep sells 1 in-app purchase, starting at $99.99 per year. SAT Prep Quest asks for nothing beyond the download.

SAT Prep Quest ships an update every 6 weeks, Zippyflash SAT Prep every 11 days. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SAT Prep Quest | Zippyflash SAT Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Size | 119 MB | 9 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lerner Labs LLC](https://appshunter.io/developer/1886230858) | [Grey Heron Software Incorporated](https://appshunter.io/developer/1881997849) |

## What reviewers say

### SAT Prep Quest

[App page](https://appshunter.io/ios/app/sat-prep-quest/id6760787998)

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

**In-app purchases:** none


### Zippyflash SAT Prep

[App page](https://appshunter.io/ios/app/zippyflash-sat-prep/id6775528201)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zippyflash SAT: Yearly Subscription | $99.99 | per year |


## Frequently asked questions

### Is SAT Prep Quest free?

SAT Prep Quest is free to download, with no in-app purchases.

### Is Zippyflash SAT Prep free?

Zippyflash SAT Prep is free to download, with in-app purchases available.

### Do SAT Prep Quest or Zippyflash SAT Prep have ads?

Neither SAT Prep Quest nor Zippyflash SAT Prep shows ads.

### Which is updated more often, SAT Prep Quest or Zippyflash SAT Prep?

SAT Prep Quest ships an update every 6 weeks, and Zippyflash SAT Prep every 11 days. Most recently, SAT Prep Quest was updated on September 28, 2026 and Zippyflash SAT Prep on October 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.*