# Hydrolink Mobile vs Trickle

The clearest difference is in-app purchases: Hydrolink Mobile at none against Trickle's 2. Hydrolink Mobile also leads on iOS requirement (15.1 vs 17.0). Trickle's advantage is update cadence (every 8 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Trickle sells 2 in-app purchases, starting at $9.99 per 7 days. Hydrolink Mobile asks for nothing beyond the download.

Hydrolink Mobile ships an update every 6 weeks, Trickle every 8 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hydrolink Mobile | Trickle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Size | 40 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [B METERS s.r.l.](https://appshunter.io/developer/1886728340) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### Hydrolink Mobile

[App page](https://appshunter.io/ios/app/hydrolink-mobile/id6760905061)

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

**In-app purchases:** none


### Trickle

[App page](https://appshunter.io/ios/app/trickle-water-meter-tracker/id6773758962)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trickle Water Usage Weekly | $9.99 | per 7 days |
| Trickle Water Usage Yearly | $49.99 | per year |


## Frequently asked questions

### Is Hydrolink Mobile free?

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

### Is Trickle free?

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

### Do Hydrolink Mobile or Trickle have ads?

Neither Hydrolink Mobile nor Trickle shows ads.

### Which is updated more often, Hydrolink Mobile or Trickle?

Hydrolink Mobile ships an update every 6 weeks, and Trickle every 8 days. Most recently, Hydrolink Mobile was updated on October 25, 2026 and Trickle on October 24, 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.*