Stamp Mail vs Supports by PostPaddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Supports by PostPaddy
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Supports by PostPaddy helps businesses manage customer conversations from one simple mobile workspace. Built for support teams, founders, and operators, the app makes it easier to stay close to customers even when you are away from your desk. With Supports by PostPaddy, you can: • View customer conversations in a shared inbox • Reply to chats and support tickets from your iPhone • See customer context before responding • Assign conversations to teammates • Add internal notes for your team • Use saved replies for common questions • Review AI-suggested answers before sending • Track open, pending, and resolved conversations Supports by PostPaddy is designed for businesses that want faster, more organized customer support across web and chat channels. A Supports by PostPaddy team account is required to use this app.
Screenshots
Verdict
The clearest difference is in-app purchases: Supports by PostPaddy at none against Stamp Mail's 4. On price, update cadence, ads and device support 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. Stamp Mail sells 4 in-app purchases, starting at $20.00 per month. Supports by PostPaddy asks for nothing beyond the download.
Stamp Mail ships an update every 2 weeks, Supports by PostPaddy every 10 days. The most recent releases landed on July 4, 2026 and September 16, 2026 respectively.
| Parameter | Stamp Mail | Supports by PostPaddy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 76 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Stamp AI, Inc. | Digital Figures LLC |
In-app purchases
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
Supports by PostPaddy
No in-app purchases









