# Murmur vs Drinkin

The clearest difference is in-app purchases: Murmur at none against Drinkin's 3. Murmur also leads on iOS requirement (17.0 vs 26.0). Drinkin's advantage is update cadence (every 5 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Drinkin sells 3 in-app purchases, starting at $2.99 per month. Murmur asks for nothing beyond the download.

Murmur ships an update monthly, Drinkin every 5 days. The most recent releases landed on October 16, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Murmur | Drinkin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 25 MB | 19 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BUNKER GAMES](https://appshunter.io/developer/1810887454) | [瑞青 邓](https://appshunter.io/developer/1749426631) |

## What reviewers say

### Murmur

[App page](https://appshunter.io/ios/app/murmur-water-tracker/id6801949841)

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

**In-app purchases:** none


### Drinkin

[App page](https://appshunter.io/ios/app/drinkin-water-tracker/id6807451913)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $14.99 | per year |
| Lifetime Premium | Free | one-time |


## Frequently asked questions

### Is Murmur free?

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

### Is Drinkin free?

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

### Do Murmur or Drinkin have ads?

Neither Murmur nor Drinkin shows ads.

### Which is updated more often, Murmur or Drinkin?

Murmur ships an update monthly, and Drinkin every 5 days. Most recently, Murmur was updated on October 16, 2026 and Drinkin on October 26, 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.*