# SweatLoss vs Hydrate

The clearest difference is in-app purchases: Hydrate at none against SweatLoss's 3. Hydrate also leads on update cadence (daily vs every 9 days) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. SweatLoss sells 3 in-app purchases, starting at $1.79 per month. Hydrate asks for nothing beyond the download.

SweatLoss ships an update every 9 days, Hydrate daily. Both last shipped on October 28, 2026.

## The numbers

| Metric | SweatLoss | Hydrate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Size | 345 MB | 3 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [TIM RORING](https://appshunter.io/developer/1668995928) | [Alex Nord](https://appshunter.io/developer/1892395757) |

## What reviewers say

### SweatLoss

[App page](https://appshunter.io/ios/app/sweatloss-hydration-tracker/id6748577955)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.79 | per month |
| Premium Yearly | $12.99 | per year |
| Premium Lifetime | $24.99 | one-time |


### Hydrate

[App page](https://appshunter.io/ios/app/hydrate-drink-up/id6763247020)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SweatLoss free?

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

### Is Hydrate free?

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

### Do SweatLoss or Hydrate have ads?

Neither SweatLoss nor Hydrate shows ads.

### Which is updated more often, SweatLoss or Hydrate?

SweatLoss ships an update every 9 days, and Hydrate daily. Most recently, SweatLoss was updated on October 28, 2026 and Hydrate on October 28, 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.*