# Prep Obsessed vs Certified SD Collection

The clearest difference is update cadence: Prep Obsessed at every 3 weeks against Certified SD Collection's every 7 months. Prep Obsessed also leads on ratings volume (1.9K vs 17). Certified SD Collection's advantage is iOS requirement (13.0 vs 15.1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Prep Obsessed against 5.0 for Certified SD Collection. That said, the two scores are not equally well evidenced: Prep Obsessed has 1.9K ratings behind it against 17, so its average is the more settled of the two.

Prep Obsessed ships an update every 3 weeks, Certified SD Collection every 7 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Prep Obsessed | Certified SD Collection |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (1.9K ratings)](https://appshunter.io/ios/app/prep-obsessed/id1396112502/reviews) | **[5.0 (17 ratings)](https://appshunter.io/ios/app/certified-sd-collection/id1568051151/reviews)** |
| Number of ratings | **1.9K** | 17 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free | Free |
| Size | 67 MB | 186 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Prep Obsessed LLC](https://appshunter.io/developer/1396112501) | [RAPID ACCELERATION INDIA PRIVATE LIMITED](https://appshunter.io/developer/1550929304) |

## What reviewers say

### Prep Obsessed

[App page](https://appshunter.io/ios/app/prep-obsessed/id1396112502)

Shop the latest arrivals and promotions from this brand with ease. Get notified about new product launches and special deals. Manage your orders, waitlist items, and track shipments directly within the app.

**Highlights:** Browse new arrivals and promotions, Easy ordering and checkout, Waitlist items, Email notifications for shipping, Product launch notifications

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

**In-app purchases:** none


### Certified SD Collection

[App page](https://appshunter.io/ios/app/certified-sd-collection/id1568051151)

Shop a wide selection of hair products, beauty supplies, and apparel. This platform prioritizes customer service and aims to provide a positive shopping experience with quality items and responsive issue resolution.

**Highlights:** Hair bundles, wigs, frontals, and closures, Beauty products, Apparel including t-shirts, Customer service priority, Special offers via subscription, Newsletter updates

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Prep Obsessed free?

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

### Is Certified SD Collection free?

Certified SD Collection is free to download, with no in-app purchases.

### Which has better reviews, Prep Obsessed or Certified SD Collection?

Certified SD Collection is rated higher. Prep Obsessed averages 4.9 out of 5 from 1.9K ratings, while Certified SD Collection averages 5.0 from 17 ratings.

### Do Prep Obsessed or Certified SD Collection have ads?

Neither Prep Obsessed nor Certified SD Collection shows ads.

### Which is updated more often, Prep Obsessed or Certified SD Collection?

Prep Obsessed ships an update every 3 weeks, and Certified SD Collection every 7 months. Most recently, Prep Obsessed was updated on October 13, 2026 and Certified SD Collection on October 8, 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.*