# Deck Lens vs PrepFast

The clearest difference is in-app purchases: Deck Lens at none against PrepFast's 6. Deck Lens also leads on update cadence (every 10 days vs every 6 weeks). PrepFast's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PrepFast sells 6 in-app purchases, starting at $3.99 per 7 days. Deck Lens asks for nothing beyond the download.

Deck Lens ships an update every 10 days, PrepFast every 6 weeks. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Deck Lens | PrepFast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Size | 43 MB | 66 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Kadir Caner Ergun](https://appshunter.io/developer/1883801098) | [Sagar Angadi](https://appshunter.io/developer/1892388534) |

## What reviewers say

### Deck Lens

[App page](https://appshunter.io/ios/app/deck-lens/id6760315121)

**Features:** macOS Compatibility

**In-app purchases:** none


### PrepFast

[App page](https://appshunter.io/ios/app/prepfast-notes-to-questions/id6762001807)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Early | $3.99 | per 7 days |
| Premium Weekly | $4.99 | per 7 days |
| Premium Monthly Early | $9.99 | per month |
| Premium Monthly | $12.99 | per month |
| Premium Annual Early | $49.99 | per year |
| Premium Annual | $59.99 | per year |


## Frequently asked questions

### Is Deck Lens free?

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

### Is PrepFast free?

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

### Do Deck Lens or PrepFast have ads?

Deck Lens shows ads; PrepFast does not.

### Which is updated more often, Deck Lens or PrepFast?

Deck Lens ships an update every 10 days, and PrepFast every 6 weeks. Most recently, Deck Lens was updated on September 9, 2026 and PrepFast on September 15, 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.*