# OnWa Last Seen Chat Tracker vs CORTEX PRISM

The clearest difference is in-app purchases: CORTEX PRISM at none against OnWa Last Seen Chat Tracker's 4. OnWa Last Seen Chat Tracker's advantage is iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. OnWa Last Seen Chat Tracker sells 4 in-app purchases, starting at $3.99 per 7 days. CORTEX PRISM asks for nothing beyond the download.

## The numbers

| Metric | OnWa Last Seen Chat Tracker | CORTEX PRISM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (39 ratings)](https://appshunter.io/ios/app/onwa-last-seen-chat-tracker/id6751362929/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 36 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Enes Unal](https://appshunter.io/developer/1486149233) | [George Bayze](https://appshunter.io/developer/1884716979) |

## What reviewers say

### OnWa Last Seen Chat Tracker

[App page](https://appshunter.io/ios/app/onwa-last-seen-chat-tracker/id6751362929)

This app monitors WhatsApp online and offline activity for up to 10 contacts. It provides real-time alerts, detailed reports on login times, duration, and frequency of use. The service prioritizes user privacy by only using publicly available data.

**Highlights:** WhatsApp online/offline tracking, Real-time alerts for activity, Track up to 10 users, Detailed daily reports and statistics, View past activity history, Privacy-focused data handling

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OnWa Weekly Subscription | $3.99 | per 7 days |
| OnWa Weekly Subscription | $4.99 | per 7 days |
| OnWa Monthly Subscription | $7.99 | per month |
| OnWa Monthly Subscription | $9.99 | per month |


### CORTEX PRISM

[App page](https://appshunter.io/ios/app/cortex-prism/id6780332375)

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

**In-app purchases:** none


## Frequently asked questions

### Is OnWa Last Seen Chat Tracker free?

OnWa Last Seen Chat Tracker is free to download, with in-app purchases available.

### Is CORTEX PRISM free?

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

### Do OnWa Last Seen Chat Tracker or CORTEX PRISM have ads?

Neither OnWa Last Seen Chat Tracker nor CORTEX PRISM shows ads.

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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.*