# i2 vs Mailtrack

The clearest difference is iOS requirement: i2 at 14.0 against Mailtrack's 16.4. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | i2 | Mailtrack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (54 ratings)](https://appshunter.io/ios/app/mailtrack-email-tracker-gmail/id6692619685/reviews)** |
| Number of ratings | — | **54** |
| Positive reviews | — | 41.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Monetization | — | Freemium |
| Size | 37 MB | 48 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [i-Apps LLC](https://appshunter.io/developer/1529916943) | [Mailsuite S.L.](https://appshunter.io/developer/981890781) |

## What reviewers say

### i2

[App page](https://appshunter.io/ios/app/i2-donate/id1529916941)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mailtrack

[App page](https://appshunter.io/ios/app/mailtrack-email-tracker-gmail/id6692619685)

This app provides real-time notifications when your emails are opened, allowing you to track engagement and follow up effectively. It identifies individual recipients who opened group emails and offers reminders for unread messages. The service prioritizes privacy and compliance with data security standards.

**Highlights:** Automatic email tracking, Real-time open notifications, Individual recipient tracking, Follow-up reminders, Link click tracking, Full open history

**In-app purchases:** none


## Frequently asked questions

### Is i2 free?

i2 is free to download, with no in-app purchases.

### Is Mailtrack free?

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

### Do i2 or Mailtrack have ads?

Neither i2 nor Mailtrack 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.*