# Weight Manager vs Hydro Dots

The clearest difference is in-app purchases: Weight Manager at none against Hydro Dots's 4. Weight Manager also leads on iOS requirement (17.6 vs 26.0). Hydro Dots's advantage is update cadence (daily vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Hydro Dots sells 4 one-off in-app purchases. Weight Manager asks for nothing beyond the download.

Weight Manager ships an update fortnightly, Hydro Dots daily. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Weight Manager | Hydro Dots |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Daily** |
| Size | 8 MB | 43 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [BYNET](https://appshunter.io/developer/1811735131) | [Kengo Tate](https://appshunter.io/developer/1458012620) |

## What reviewers say

### Weight Manager

[App page](https://appshunter.io/ios/app/weight-manager-simple-weight/id6743777118)

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

**In-app purchases:** none


### Hydro Dots

[App page](https://appshunter.io/ios/app/hydro-dots/id6794577673)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A drop | $0.99 | one-time |
| A glass | $2.99 | one-time |
| A bottle | $5.99 | one-time |
| Pro — Founding Member | $5.99 | one-time |


## Frequently asked questions

### Is Weight Manager free?

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

### Is Hydro Dots free?

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

### Do Weight Manager or Hydro Dots have ads?

Both Weight Manager and Hydro Dots show ads.

### Which is updated more often, Weight Manager or Hydro Dots?

Weight Manager ships an update fortnightly, and Hydro Dots daily. Most recently, Weight Manager was updated on October 28, 2026 and Hydro Dots on October 31, 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.*