# EvoAI vs Water Tracker

The clearest difference is device support: Water Tracker at 4 against EvoAI's 2. EvoAI's advantage is iOS requirement (14.0 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. EvoAI sells 6 in-app purchases, starting at $2.99 per month and Water Tracker sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

EvoAI ships an update every 8 days, Water Tracker every 9 days. The most recent releases landed on September 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EvoAI | Water Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 9 days |
| Size | 428 MB | 90 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Antonio Cambi](https://appshunter.io/developer/1885357985) | [Federico Trevisani](https://appshunter.io/developer/1890300706) |

## What reviewers say

### EvoAI

[App page](https://appshunter.io/ios/app/evoai/id6760618826)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EvoAI Starter | $2.99 | per month |
| EvoAI Plus | $4.99 | per month |
| EvoAI Pro | $5.99 | per month |
| EvoAI Starter Annual | $22.99 | per year |
| EvoAI Plus Annual | $34.99 | per year |
| EvoAI Pro Annual | $49.99 | per year |


### Water Tracker

[App page](https://appshunter.io/ios/app/water-tracker-idroflow/id6763654290)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IdroFlow Plus | $2.99 | per month |
| IdroFlow Plus (Annual) | $14.99 | per year |
| IdroFlow Plus (Lifetime) | $29.99 | one-time |


## Frequently asked questions

### Is EvoAI free?

EvoAI 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 EvoAI or Water Tracker have ads?

Neither EvoAI nor Water Tracker shows ads.

### Which is updated more often, EvoAI or Water Tracker?

EvoAI ships an update every 8 days, and Water Tracker every 9 days. Most recently, EvoAI was updated on September 19, 2026 and Water Tracker on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*