# 8bottle vs Core Body Studio

The clearest difference is update cadence: 8bottle at fortnightly against Core Body Studio's every 2 months. 8bottle also leads on iOS requirement (14.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

8bottle ships an update fortnightly, Core Body Studio every 2 months. The most recent releases landed on October 3, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 8bottle | Core Body Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/8bottle/id6503256580/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 49 MB | 124 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [8bottle Inc](https://appshunter.io/developer/1604696263) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### 8bottle

[App page](https://appshunter.io/ios/app/8bottle/id6503256580)

Track your water intake and set personalized hydration goals with this smart companion app. It syncs with a smart bottle to provide reminders and motivate you through friendly competition. Your hydration habits also contribute to global water projects.

**Highlights:** Smart hydration tracking, Personalized goal setting, Real-time progress display, Friend competition for motivation, Global water project contributions, Hydration tips and challenges

**In-app purchases:** none


### Core Body Studio

[App page](https://appshunter.io/ios/app/core-body-studio/id6784880753)

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

**In-app purchases:** none


## Frequently asked questions

### Is 8bottle free?

8bottle is free to download, with no in-app purchases.

### Is Core Body Studio free?

Core Body Studio is free to download, with no in-app purchases.

### Do 8bottle or Core Body Studio have ads?

Neither 8bottle nor Core Body Studio shows ads.

### Which is updated more often, 8bottle or Core Body Studio?

8bottle ships an update fortnightly, and Core Body Studio every 2 months. Most recently, 8bottle was updated on October 3, 2026 and Core Body Studio on September 26, 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.*