Comparison

Stamp Mail vs OneSentence

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

OneSentence

Read full description

Dense contracts. Medical paperwork. Academic writing that won't end. You don't have time to parse every word. OneSentence gets you the gist instantly. Paste text in. Type it. Or photograph a page. OneSentence reads it and explains it in exactly one plain-English sentence — every time. WHY IT WORKS • Built for busy professionals, students, and anyone drowning in fine print • Works entirely on your device using Apple's Foundation Models • No accounts. No API keys. No internet required. • Even works in airplane mode. WHAT YOU CAN DO • Summarize contracts, emails, or research papers instantly • Photograph documents and get the gist without reading • Keep a history of everything you've explained **Subscription required.** Try the annual plan free for 7 days, then choose annual, monthly, or weekly. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Stamp Mail4 screens

Verdict

The call

The clearest difference is device support: Stamp Mail at 3 against OneSentence's —. Stamp Mail also leads on iOS requirement (15.1 vs 26.0). On price and in-app purchases 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 and OneSentence sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 7 level
Stamp Mail versus OneSentence: the parameters behind the verdict, then further details
ParameterStamp MailOneSentence
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyWeekly—
AdsNo—
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — better—
Requires iOS15.1 — better26.0
Further details — not scored
Size76 MB1 MB
Age rating4+4+
DeveloperStamp AIAusten Allred

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
3 purchases

OneSentence

Subscriptions3
  • Pro Weekly$4.997 Days
  • Pro Monthly$9.991 Month
  • Pro Annual7 Days trial$49.991 Year

Questions

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

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