# Callthru vs My Water

The clearest difference is update cadence: My Water at weekly against Callthru's every 5 months. Callthru's advantage is iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Callthru ships an update every 5 months, My Water weekly. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Callthru | My Water |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Size | 38 MB | 55 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OmniVigil Solutions](https://appshunter.io/developer/594184282) | [Swallow Shuai Technology Development Co., Ltd.](https://appshunter.io/developer/1628485379) |

## What reviewers say

### Callthru

[App page](https://appshunter.io/ios/app/callthru/id594184279)

**Features:** macOS Compatibility

**In-app purchases:** none


### My Water

[App page](https://appshunter.io/ios/app/my-water-daily-tracker/id6472012809)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Callthru free?

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

### Is My Water free?

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

### Do Callthru or My Water have ads?

Neither Callthru nor My Water shows ads.

### Which is updated more often, Callthru or My Water?

Callthru ships an update every 5 months, and My Water weekly. Most recently, Callthru was updated on November 1, 2026 and My Water on November 8, 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.*