# Interval Timer vs drnk

The clearest difference is ratings volume: Interval Timer at 143 against drnk's 18. On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Interval Timer sells 2 in-app purchases, starting at $2.99 per month and drnk sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Interval Timer against 5.0 for drnk. That said, the two scores are not equally well evidenced: Interval Timer has 143 ratings behind it against 18, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Interval Timer | drnk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (143 ratings)](https://appshunter.io/ios/app/interval-timer-multiple-hiit/id1598597704/reviews) | **[5.0 (18 ratings)](https://appshunter.io/ios/app/drnk-drink-water-unlock-apps/id6791244499/reviews)** |
| Number of ratings | **143** | 18 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 6 MB | 46 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Duleep Madusanka](https://appshunter.io/developer/1536533862) | [BRIAN ANDREW COCHRAN](https://appshunter.io/developer/6790870925) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-multiple-hiit/id1598597704)

Create personalized workout timers for HIIT, Tabata, and circuit training. Customize intervals, choose voice or beep cues, and run timers in the background with music. Includes a stopwatch and countdown timer for versatile fitness tracking.

**Highlights:** Custom interval timers, Voice or beep cues, Background operation, Customizable countdown, Stopwatch and countdown timer, Dark and light mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer (Monthly) | $2.99 | per month |
| Interval Timer (Lifetime) | $14.99 | one-time |


### drnk

[App page](https://appshunter.io/ios/app/drnk-drink-water-unlock-apps/id6791244499)

This app encourages hydration by locking distracting applications until you drink water. It uses your phone's camera to verify sips, earning you screen time in return. Set personalized goals and manage your earned time to balance usage and health.

**Highlights:** App locking based on hydration, Camera-verified water sips, Earned screen time pool, Customizable drinking exchange rate, Personalized daily hydration goals, Streak saving and emergency passes, Nightly app lockdown

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| drnk Pro | $9.99 | per month |
| drnk Pro | $29.99 | per year |


## Frequently asked questions

### Is Interval Timer free?

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

### Is drnk free?

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

### Which has better reviews, Interval Timer or drnk?

drnk is rated higher. Interval Timer averages 4.9 out of 5 from 143 ratings, while drnk averages 5.0 from 18 ratings.

### Do Interval Timer or drnk have ads?

Neither Interval Timer nor drnk shows ads.

### Which is updated more often, Interval Timer or drnk?

Interval Timer ships an update every 3 weeks, and drnk every 3 weeks. Most recently, Interval Timer was updated on November 3, 2026 and drnk 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.*