# WATCHIT AI vs Messina Strait Currents

The clearest difference is in-app purchases: WATCHIT AI at none against Messina Strait Currents's 3. WATCHIT AI also leads on iOS requirement (15.1 vs 17.6). Messina Strait Currents's advantage is update cadence (every 8 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Messina Strait Currents sells 3 in-app purchases, starting at $3.99 per year. WATCHIT AI asks for nothing beyond the download.

WATCHIT AI ships an update every 4 months, Messina Strait Currents every 8 days. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | WATCHIT AI | Messina Strait Currents |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Size | 33 MB | 19 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [AQUA MARINA TECHNOLOGIES LTD](https://appshunter.io/developer/1740905342) | [Aldo Buongarzone](https://appshunter.io/developer/445250102) |

## What reviewers say

### WATCHIT AI

[App page](https://appshunter.io/ios/app/watchit-ai/id6496201406)

**Features:** macOS Compatibility

**In-app purchases:** none


### Messina Strait Currents

[App page](https://appshunter.io/ios/app/messina-strait-currents/id6799481803)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 year | $3.99 | per year |
| 7 days | $0.99 | one-time |
| 1 month | $1.99 | one-time |


## Frequently asked questions

### Is WATCHIT AI free?

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

### Is Messina Strait Currents free?

Messina Strait Currents is free to download, with in-app purchases available.

### Do WATCHIT AI or Messina Strait Currents have ads?

Neither WATCHIT AI nor Messina Strait Currents shows ads.

### Which is updated more often, WATCHIT AI or Messina Strait Currents?

WATCHIT AI ships an update every 4 months, and Messina Strait Currents every 8 days. Most recently, WATCHIT AI was updated on October 25, 2026 and Messina Strait Currents on October 15, 2026.

---

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