# Just BP vs Hydro Dots

The clearest difference is in-app purchases: Just BP at none against Hydro Dots's 4. Just BP also leads on ads (none vs shown). Hydro Dots's advantage is update cadence (daily vs every 10 days). On price, device support and iOS requirement there is nothing between them.

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

Just BP ships an update every 10 days, Hydro Dots daily. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Just BP | Hydro Dots |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Daily** |
| Size | 5 MB | 43 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [Tomohiko Yada](https://appshunter.io/developer/1880918107) | [Kengo Tate](https://appshunter.io/developer/1458012620) |

## What reviewers say

### Just BP

[App page](https://appshunter.io/ios/app/just-bp/id6759818978)

**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 Just BP free?

Just BP 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 Just BP or Hydro Dots have ads?

Hydro Dots shows ads; Just BP does not.

### Which is updated more often, Just BP or Hydro Dots?

Just BP ships an update every 10 days, and Hydro Dots daily. Most recently, Just BP was updated on November 9, 2026 and Hydro Dots on November 13, 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.*