Comparison

Stamp Mail vs Supports by PostPaddy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Automated email drafting
  • Email prioritization
  • To-do extraction
  • Email summarization
  • Information retrieval via AI agent
  • Inbox reorganization
  • Approve/reject agent changes
Features
Read full description

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

About

Supports by PostPaddy

Features
Read full description

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

Stamp Mail4 screens
Supports by PostPaddy4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 8 level
Stamp Mail versus Supports by PostPaddy: the parameters behind the verdict, then further details
ParameterStamp MailSupports by PostPaddy
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 2 weeksEvery 10 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size76 MB44 MB
Age rating4+4+
DeveloperStamp AI, Inc.Digital Figures LLC

In-app purchases

4 purchases

Stamp Mail

Subscriptions4
  • 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
Show 1 more
  • Stamp Business (Annual)7 Days trial$479.991 Year
None

Supports by PostPaddy

No in-app purchases

Questions

Is Stamp Mail free?
Stamp Mail is free to download, with in-app purchases available.
Is Supports by PostPaddy free?
Supports by PostPaddy is free to download, with no in-app purchases.
Do Stamp Mail or Supports by PostPaddy have ads?
Neither Stamp Mail nor Supports by PostPaddy shows ads.
Which is updated more often, Stamp Mail or Supports by PostPaddy?
Stamp Mail ships an update every 2 weeks, and Supports by PostPaddy every 10 days. Most recently, Stamp Mail was updated on July 4, 2026 and Supports by PostPaddy on September 16, 2026.

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