# TimerZ vs Hydro Solar HP

The clearest difference is in-app purchases: Hydro Solar HP at none against TimerZ's 2. Hydro Solar HP also leads on iOS requirement (12.2 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TimerZ sells 2 in-app purchases, starting at $0.99 per month. Hydro Solar HP asks for nothing beyond the download.

TimerZ ships an update every 3 months, Hydro Solar HP every 2 months. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | TimerZ | Hydro Solar HP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/timerz-last-timer-youll-need/id420191007/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 29 MB |
| Requires iOS | 18.6 | **12.2** |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Squawk Studio, LLC](https://appshunter.io/developer/420191010) | [Aqua Solanor Inc](https://appshunter.io/developer/1631684916) |

## What reviewers say

### TimerZ

[App page](https://appshunter.io/ios/app/timerz-last-timer-youll-need/id420191007)

This utility app allows users to set multiple countdown timers simultaneously, with options for custom alarms, background operation, and history logging. It offers advanced features like chained timers and Dropbox integration for saving and loading data.

**Highlights:** Multiple simultaneous timers, Background operation, Customizable alarms and sounds, Timer chaining and looping, Activity history logging, Dropbox integration

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Timer Z Pro | $4.99 | one-time |


### Hydro Solar HP

[App page](https://appshunter.io/ios/app/hydro-solar-hp/id1631684914)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TimerZ free?

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

### Is Hydro Solar HP free?

Hydro Solar HP is free to download, with no in-app purchases.

### Do TimerZ or Hydro Solar HP have ads?

Neither TimerZ nor Hydro Solar HP shows ads.

### Which is updated more often, TimerZ or Hydro Solar HP?

TimerZ ships an update every 3 months, and Hydro Solar HP every 2 months. Most recently, TimerZ was updated on October 23, 2026 and Hydro Solar HP on October 27, 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.*