# Timer Kit：Focus&Countdown vs HydroTimer

The clearest difference is in-app purchases: HydroTimer at none against Timer Kit：Focus&Countdown's 2. Timer Kit：Focus&Countdown's advantage is update cadence (every 3 months vs every 10 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Timer Kit：Focus&Countdown sells 2 in-app purchases, starting at $6.99 per 7 days. HydroTimer asks for nothing beyond the download.

Timer Kit：Focus&Countdown ships an update every 3 months, HydroTimer every 10 months. The most recent releases landed on October 28, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Timer Kit：Focus&Countdown | HydroTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Size | 10 MB | 2 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SMJ Jewellery (HK) Limited](https://appshunter.io/developer/1721196677) | [Aurelis Limited](https://appshunter.io/developer/1821243565) |

## What reviewers say

### Timer Kit：Focus&Countdown

[App page](https://appshunter.io/ios/app/timer-kitfocus-and-countdown/id6747704566)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week VIP | $6.99 | per 7 days |
| Year VIP | $39.99 | per year |


### HydroTimer

[App page](https://appshunter.io/ios/app/hydrotimer/id6748376181)

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

**In-app purchases:** none


## Frequently asked questions

### Is Timer Kit：Focus&Countdown free?

Timer Kit：Focus&Countdown is free to download, with in-app purchases available.

### Is HydroTimer free?

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

### Do Timer Kit：Focus&Countdown or HydroTimer have ads?

Neither Timer Kit：Focus&Countdown nor HydroTimer shows ads.

### Which is updated more often, Timer Kit：Focus&Countdown or HydroTimer?

Timer Kit：Focus&Countdown ships an update every 3 months, and HydroTimer every 10 months. Most recently, Timer Kit：Focus&Countdown was updated on October 28, 2026 and HydroTimer on October 22, 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.*