# MSR Mail Tracker vs Stamp Mail

The clearest difference is in-app purchases: MSR Mail Tracker at none against Stamp Mail's 4. MSR Mail Tracker also leads on iOS requirement (11.0 vs 15.1). Stamp Mail's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Stamp Mail sells 4 in-app purchases, starting at $20.00 per month. MSR Mail Tracker asks for nothing beyond the download.

MSR Mail Tracker ships an update every 3 months, Stamp Mail weekly. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | MSR Mail Tracker | Stamp Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stamp-mail/id6748666316/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 21 MB | 76 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TRACKEX LLC](https://appshunter.io/developer/1492982032) | [Stamp AI](https://appshunter.io/developer/1826931069) |

## What reviewers say

### MSR Mail Tracker

[App page](https://appshunter.io/ios/app/msr-mail-tracker/id6449599992)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stamp Mail

[App page](https://appshunter.io/ios/app/stamp-mail/id6748666316)

This AI-powered email client automates tasks like drafting replies, prioritizing messages, and extracting to-dos. It offers an agent to retrieve information and reorganize your inbox using plain English commands. A special mode allows quick review and approval of automated changes.

**Highlights:** Automated email drafting, Email prioritization, To-do extraction, Email summarization, Information retrieval via AI agent, Inbox reorganization, Approve/reject agent changes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stamp Individual (Monthly) | $20.00 | per month |
| Stamp Business (Monthly) | $50.00 | per month |
| Stamp Individual (Annual) | $191.99 | per year |
| Stamp Business (Annual) | $479.99 | per year |


## Frequently asked questions

### Is MSR Mail Tracker free?

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

### Is Stamp Mail free?

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

### Do MSR Mail Tracker or Stamp Mail have ads?

Neither MSR Mail Tracker nor Stamp Mail shows ads.

### Which is updated more often, MSR Mail Tracker or Stamp Mail?

MSR Mail Tracker ships an update every 3 months, and Stamp Mail weekly. Most recently, MSR Mail Tracker was updated on October 8, 2026 and Stamp Mail on October 15, 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.*