# Altmo vs Water Reminder

The clearest difference is in-app purchases: Altmo at none against Water Reminder's 3. Altmo also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Water Reminder sells 3 in-app purchases, starting at $1.99 per month. Altmo asks for nothing beyond the download.

Altmo ships an update every 11 days, Water Reminder every 3 weeks. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Altmo | Water Reminder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/water-reminder-dropwise/id6757279532/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 51 MB | 54 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Urbanmorph Consultants Private Limited](https://appshunter.io/developer/1842516326) | [Cemal Hekimoglu](https://appshunter.io/developer/1853521537) |

## What reviewers say

### Altmo

[App page](https://appshunter.io/ios/app/altmo-active-commute-tracker/id6756569015)

**In-app purchases:** none


### Water Reminder

[App page](https://appshunter.io/ios/app/water-reminder-dropwise/id6757279532)

This intelligent hydration tracker adapts your daily water goals based on local weather conditions. Log over 40 beverages, receive smart reminders, and stay motivated with gamified features and detailed insights. Seamlessly syncs with Apple Watch and Apple Health.

**Highlights:** Weather-based hydration goals, Track 40+ beverages, Apple Watch app, Interactive widgets, Smart reminders, Gamified habit building, Detailed insights

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Premium Annual | $9.99 | per year |
| Lifetime Premium | $19.99 | one-time |


## Frequently asked questions

### Is Altmo free?

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

### Is Water Reminder free?

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

### Do Altmo or Water Reminder have ads?

Neither Altmo nor Water Reminder shows ads.

### Which is updated more often, Altmo or Water Reminder?

Altmo ships an update every 11 days, and Water Reminder every 3 weeks. Most recently, Altmo was updated on October 9, 2026 and Water Reminder on October 16, 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.*