# Stamp Mail vs Interview Studio by Resu

The clearest difference is update cadence: Stamp Mail at weekly against Interview Studio by Resu's fortnightly. Stamp Mail also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases 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 and Interview Studio by Resu sells 2 in-app purchases, starting at $34.49 per month. Whichever you choose, the download price is not the number that matters.

Stamp Mail ships an update weekly, Interview Studio by Resu fortnightly. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stamp Mail | Interview Studio by Resu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/stamp-mail/id6748666316/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Freemium | — |
| Size | 76 MB | 25 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stamp AI](https://appshunter.io/developer/1826931069) | [Resu-Me AI Ventures Inc.](https://appshunter.io/developer/1838074229) |

## What reviewers say

### 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 |


### Interview Studio by Resu

[App page](https://appshunter.io/ios/app/interview-studio-by-resu-me-ai/id6761521263)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interview Studio | $34.49 | per month |
| Application Kit | $57.99 | per month |


## Frequently asked questions

### Is Stamp Mail free?

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

### Is Interview Studio by Resu free?

Interview Studio by Resu is free to download, with in-app purchases available.

### Do Stamp Mail or Interview Studio by Resu have ads?

Neither Stamp Mail nor Interview Studio by Resu shows ads.

### Which is updated more often, Stamp Mail or Interview Studio by Resu?

Stamp Mail ships an update weekly, and Interview Studio by Resu fortnightly. Most recently, Stamp Mail was updated on October 15, 2026 and Interview Studio by Resu on October 24, 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.*