# BMI Manager vs Water Tracker

The clearest difference is update cadence: Water Tracker at weekly against BMI Manager's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BMI Manager sells 1 one-off in-app purchase and Water Tracker sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

BMI Manager ships an update every 2 months, Water Tracker weekly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BMI Manager | Water Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 12 MB | 56 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [勇 牛](https://appshunter.io/developer/1217864494) | [Manoj Ahirwar](https://appshunter.io/developer/1822701866) |

## What reviewers say

### BMI Manager

[App page](https://appshunter.io/ios/app/bmi-manager-weight-analysis/id6566190326)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Water Tracker

[App page](https://appshunter.io/ios/app/water-tracker-hydration-log/id6755111037)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Waterly - Weekly Access | $2.99 | per 7 days |
| Waterly - Yearly Pro Access | $12.99 | per year |
| Waterly - Lifetime Pro Access | $24.99 | one-time |


## Frequently asked questions

### Is BMI Manager free?

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

### Is Water Tracker free?

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

### Do BMI Manager or Water Tracker have ads?

Neither BMI Manager nor Water Tracker shows ads.

### Which is updated more often, BMI Manager or Water Tracker?

BMI Manager ships an update every 2 months, and Water Tracker weekly. Most recently, BMI Manager was updated on October 27, 2026 and Water Tracker on October 25, 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.*