# Dr. Tracker vs Mailer

The clearest difference is in-app purchases: Dr. Tracker at none against Mailer's 5. Dr. Tracker also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Mailer sells 5 in-app purchases, starting at $3.99 per 7 days. Dr. Tracker asks for nothing beyond the download.

Dr. Tracker ships an update weekly, Mailer every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Dr. Tracker | Mailer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (30 ratings)](https://appshunter.io/ios/app/mailer-ai-email-assistant/id6504745156/reviews)** |
| Number of ratings | — | **30** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 127 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lingyang Technology (Hangzhou) Co., Ltd.](https://appshunter.io/developer/1597684575) | [Lascade](https://appshunter.io/developer/1703521232) |

## What reviewers say

### Dr. Tracker

[App page](https://appshunter.io/ios/app/dr-tracker/id1597684573)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mailer

[App page](https://appshunter.io/ios/app/mailer-ai-email-assistant/id6504745156)

This AI-powered tool simplifies email writing by generating, translating, and optimizing messages. It offers customizable templates and helps users create professional, impactful emails efficiently. Ideal for anyone looking to enhance their email communication.

**Highlights:** AI-powered email generation, Email content optimization, Customizable email templates, Professional email formatting, Language translation for emails

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Offer Price | $3.99 | per 7 days |
| Weekly Subscription | $7.99 | per 7 days |
| Yearly Offer | $24.99 | per year |
| Yearly Subscription | $49.99 | per year |
| Life Time Access | $79.99 | one-time |


## Frequently asked questions

### Is Dr. Tracker free?

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

### Is Mailer free?

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

### Do Dr. Tracker or Mailer have ads?

Neither Dr. Tracker nor Mailer shows ads.

### Which is updated more often, Dr. Tracker or Mailer?

Dr. Tracker ships an update weekly, and Mailer every 3 weeks. Most recently, Dr. Tracker was updated on November 3, 2026 and Mailer on November 4, 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.*