# Hydro Flask vs Billabong US

The clearest difference is rating: Billabong US at 3.7 against Hydro Flask's 1.0. Billabong US also leads on update cadence (every 3 weeks vs every 2 months). Hydro Flask's advantage is ratings volume (19 vs 3) and iOS requirement (14.0 vs 16.4). On price, review sentiment, 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.

Billabong US holds the better App Store score, 3.7 against 1.0. That said, the two scores are not equally well evidenced: Hydro Flask has 19 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Hydro Flask ships an update every 2 months, Billabong US every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hydro Flask | Billabong US |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (19 ratings)](https://appshunter.io/ios/app/hydro-flask/id6478515558/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/billabong-us/id6756454795/reviews)** |
| Number of ratings | **19** | 3 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 71 MB | 88 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [주식회사 힐리브(Healive Co.,Ltd.)](https://appshunter.io/developer/1566820169) | [Billabong](https://appshunter.io/developer/1860719797) |

## What reviewers say

### Hydro Flask

[App page](https://appshunter.io/ios/app/hydro-flask/id6478515558)

Access exclusive coupons, discounts, and special offers optimized for mobile. Manage your orders, shipping information, and shopping cart. Receive store notifications and easily contact customer service.

**Highlights:** Exclusive coupons and discounts, Automatic login, Order tracking, Shopping cart management, Store notifications, Customer service contact

**Features:** Vision Pro support

**In-app purchases:** none


### Billabong US

[App page](https://appshunter.io/ios/app/billabong-us/id6756454795)

Access new clothing collections early and receive exclusive offers. Enjoy a streamlined shopping experience with quick browsing and secure checkout for all your favorite lifestyle apparel.

**Highlights:** Early access to collection launches, Exclusive special offers, Seamless shopping experience, Easy browsing of new arrivals, Secure and fast checkout, Push notifications for updates

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

**In-app purchases:** none


## Frequently asked questions

### Is Hydro Flask free?

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

### Is Billabong US free?

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

### Which has better reviews, Hydro Flask or Billabong US?

Billabong US is rated higher. Hydro Flask averages 1.0 out of 5 from 19 ratings, while Billabong US averages 3.7 from 3 ratings.

### Do Hydro Flask or Billabong US have ads?

Neither Hydro Flask nor Billabong US shows ads.

### Which is updated more often, Hydro Flask or Billabong US?

Hydro Flask ships an update every 2 months, and Billabong US every 3 weeks. Most recently, Hydro Flask was updated on October 24, 2026 and Billabong US on October 25, 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.*