# size? vs UNDERCOVER

The clearest difference is ratings volume: size? at 1.2K against UNDERCOVER's 1. UNDERCOVER's advantage is rating (5.0 vs 4.8). On price, update cadence, 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.

UNDERCOVER holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: size? has 1.2K ratings behind it against 1, so its average is the more settled of the two.

size? ships an update every 2 months, UNDERCOVER every 6 weeks. The most recent releases landed on November 9, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | size? | UNDERCOVER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.2K ratings)](https://appshunter.io/ios/app/size/id736767882/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/undercover/id1621244756/reviews)** |
| Number of ratings | **1.2K** | 1 |
| Positive reviews | 48.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 156 MB | 79 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [size?](https://appshunter.io/developer/736779885) | [UNDERCOVER CO.,LTD.](https://appshunter.io/developer/908704966) |

## What reviewers say

### size?

[App page](https://appshunter.io/ios/app/size/id736767882)

Discover and shop the latest streetwear and sought-after sneakers from top brands. Access exclusive drops, app-only discounts, and enjoy fast checkout with flexible payment options. Track your orders and get alerts for new arrivals and restocks.

**Highlights:** Shop latest releases, Create wishlist, Exclusive drops, App-exclusive discounts, Next day delivery, Worldwide shipping, Track orders

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and easy to use
- 👍 Great selection of products
- 💎 Exclusive and limited items
- 🥇 Excellent for raffles and launches

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 💳 Payment processing issues
- 🔍 Unreliable search and filtering
- 📦 Shipping and delivery problems
- 🔑 Account creation and login difficulties

**Reported bugs**

- Discrepancies between app and website inventory
- Inability to update account information
- Inconsistent behavior with Apple Pay and other payment methods
- Orders being cancelled without explanation

**Requested features**

- Size guide with international conversions
- Improved wish list functionality
- Better app optimization for mobile devices
- Currency conversion and localization options


### UNDERCOVER

[App page](https://appshunter.io/ios/app/undercover/id1621244756)

Stay updated with the latest news and collection information through convenient push notifications. Easily access and manage your favorite items with this official shopping application.

**Highlights:** Push notifications for news, Collection information access, Easy favorite item access, Latest collection updates

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

**In-app purchases:** none


## Frequently asked questions

### Is size? free?

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

### Is UNDERCOVER free?

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

### Which has better reviews, size? or UNDERCOVER?

UNDERCOVER is rated higher. size? averages 4.8 out of 5 from 1.2K ratings, while UNDERCOVER averages 5.0 from 1 ratings.

### Do size? or UNDERCOVER have ads?

Neither size? nor UNDERCOVER shows ads.

### Which is updated more often, size? or UNDERCOVER?

size? ships an update every 2 months, and UNDERCOVER every 6 weeks. Most recently, size? was updated on November 9, 2026 and UNDERCOVER on November 3, 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.*