Go Postal vs Stamp Mail
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Go Postal
This AI-powered assistant helps you manage your inbox efficiently. It automates email organization, generates responses in seconds, and learns your writing style. Save time and stay focused on what matters most.
- AI-generated email responses
- Smart inbox filtering and organization
- Learns user's writing style
- Bulk email management
- Predicted important emails
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GIVE YOUR INBOX SUPERPOWERS! GoPostal uses Artificial Intelligence and Machine Learning to help you save time reading, writing, and clearing emails. Managing your inbox shouldn’t take hours — let AI automate the process! We’re dedicated to maximizing your time and efficiency. With GoPostal, you can finally put an end to the never-ending inbox. AI-Generated Responses Compose emails in seconds with AI-generated responses. Choose a tone, enter a prompt, edit the response directly, or regenerate a new one with a tap. The more you use GoPostal, the smarter it becomes — learning from your edits to sound more like your own voice. Smart Filters GoPostal automatically organizes your inbox into simple categories to help you focus on what matters. From the Filters tab or Dashboard, you can bulk delete, review, and recover emails as needed. Postal Response Waiting – Predicted important emails you’re most likely to respond to. No Response / Read – Emails you’ll probably want to read but not reply to. Spam / Ready to Delete – Emails identified as spam or unimportant, ready to be cleared. Save Time. Stay Focused. GoPostal is designed to help
Stamp Mail
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.
- Automated email drafting
- Email prioritization
- To-do extraction
- Email summarization
- Information retrieval via AI agent
- Inbox reorganization
- Approve/reject agent changes
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Stamp is the AI Email Client that handles your emails for you. Stamp can automatically draft replies, prioritize important emails, extract todos, generate summaries, and more! With Stamp Agent, you can retrieve important information, reorganize your inbox, or perform any other action in plain English. What's more, with Stamp Mode you can quickly swipe through changes the agent made while you were gone, approving or rejecting them. Get started today, and experience what it's like to have your own AI personal secretary. Privacy Policy: https://www.stampmail.ai/privacy Terms of Use: https://www.stampmail.ai/tos
Screenshots
Verdict
The clearest difference is update cadence: Stamp Mail at weekly against Go Postal's every 2 months. Go Postal's advantage is iOS requirement (13.4 vs 15.1). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Go Postal sells 4 in-app purchases, starting at $14.99 per month 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.
On the App Store both sit at effectively the same score — 5.0 for Go Postal against 5.0 for Stamp Mail. Both are backed by a comparable volume of ratings — 3 and 3 respectively.
Go Postal ships an update every 2 months, Stamp Mail weekly. The most recent releases landed on October 30, 2026 and October 15, 2026 respectively.
| Parameter | Go Postal | Stamp Mail |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (3 ratings) |
| Number of ratings | 3 | 3 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 — better | 15.1 |
| Further details — not scored | ||
| Size | 36 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | GoPostal | Stamp AI |
Customer experience
Go Postal
Stamp Mail
In-app purchases
Go Postal
- Monthly Package7 Days trial$14.991 Month
- Yearly Package7 Days trial$154.991 Year
- Monthly Package$14.99
- Yearly Package$154.99
Stamp Mail
- Stamp Individual (Monthly)7 Days trial$20.001 Month
- Stamp Business (Monthly)7 Days trial$50.001 Month
- Stamp Individual (Annual)7 Days trial$191.991 Year
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- Stamp Business (Annual)7 Days trial$479.991 Year









