# EmailStorm vs Stamp Mail

The clearest difference is rating: Stamp Mail at 5.0 against EmailStorm's 3.5. Stamp Mail also leads on update cadence (every 2 weeks vs every 11 months) and iOS requirement (15.1 vs 26.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. EmailStorm sells 1 one-off in-app purchase and Stamp Mail sells 4 in-app purchases, starting at $20.00 per month. Whichever you choose, the download price is not the number that matters.

Stamp Mail holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

EmailStorm ships an update every 11 months, Stamp Mail every 2 weeks. The most recent releases landed on September 9, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | EmailStorm | Stamp Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/emailstorm/id798736907/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stamp-mail/id6748666316/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 3 MB | 76 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Olga Volkova](https://appshunter.io/developer/798736910) | [Stamp AI, Inc.](https://appshunter.io/developer/1826931069) |

## What reviewers say

### EmailStorm

[App page](https://appshunter.io/ios/app/emailstorm/id798736907)

This app helps you find the right contact information for important people, even if you don't have their email address. It generates a smart email list using available data, saving time for cold outreach or reconnecting with contacts.

**Highlights:** Smart email list generation, Find contact information, Save time on outreach, Improve contact results, Reconnect with contacts

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### 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 EmailStorm free?

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

### Is Stamp Mail free?

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

### Which has better reviews, EmailStorm or Stamp Mail?

Stamp Mail is rated higher. EmailStorm averages 3.5 out of 5 from 2 ratings, while Stamp Mail averages 5.0 from 3 ratings.

### Do EmailStorm or Stamp Mail have ads?

Neither EmailStorm nor Stamp Mail shows ads.

### Which is updated more often, EmailStorm or Stamp Mail?

EmailStorm ships an update every 11 months, and Stamp Mail every 2 weeks. Most recently, EmailStorm was updated on September 9, 2026 and Stamp Mail on July 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.*