# Mayim vs Sipmere

Mayim and Sipmere are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Mayim sells 1 one-off in-app purchase and Sipmere sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Mayim ships an update weekly, Sipmere every 5 days. The most recent releases landed on November 6, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Mayim | Sipmere |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Size | 59 MB | 15 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ben Basha](https://appshunter.io/developer/1869851400) | [Nicolae-Loredan Calimanu](https://appshunter.io/developer/6777696755) |

## What reviewers say

### Mayim

[App page](https://appshunter.io/ios/app/mayim-water-tracker-and-widget/id6796484355)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mayim Premium | $6.99 | one-time |


### Sipmere

[App page](https://appshunter.io/ios/app/sipmere-water-tracker/id6808971651)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sipmere Pro Monthly | $3.99 | per month |
| Sipmere Pro Weekly | $3.99 | per 7 days |
| Sipmere Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is Mayim free?

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

### Is Sipmere free?

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

### Do Mayim or Sipmere have ads?

Neither Mayim nor Sipmere shows ads.

### Which is updated more often, Mayim or Sipmere?

Mayim ships an update weekly, and Sipmere every 5 days. Most recently, Mayim was updated on November 6, 2026 and Sipmere on October 29, 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.*