Comparison

iPostal1 vs 3Stone AI

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

Head to head
About

iPostal1

Access a digital version of your physical mail and packages from anywhere, 24/7. Choose a real street address for business or personal use and manage your mail with options to forward, scan, shred, or discard.

Highlights
  • Digital mailbox access
  • Real street addresses
  • Mail forwarding
  • Open and scan mail
  • Shred or discard mail
  • Add phone and fax lines
Features
Read full description

View and manage your mail and packages from the iPostal1 app. iPostal1 is the #1 digital mailbox service worldwide, giving you a real street address for personal or business use and full control of your mail from anywhere. Choose from thousands of real street locations across the U.S. and internationally, starting at just $9.99/month for personal plans and $14.99/month for business plans. Features: Get real-time notifications when mail or packages are received and uploaded by your mail center View high-quality images of the outside of every mail item and package Open and scan, forward, schedule a pickup, shred, or discard mail Select the carrier, such as USPS, UPS, FedEx, and DHL, and level of service for forwarding, and see real-time shipping prices to select the option that best fits your needs and budget Automate routine mail handling with autoscan and autoship Deposit checks remotely at participating U.S. locations Build out your business with our additional business services, such as Registered Agent Add a local or toll-free number for a complete business presence Easily add locations and manage multiple mailboxes from one account Add up to 6 recipients to an account, including the primary recipient In-app support to access help when you need it A more professional alternative to a PO Box, iPostal1 is built for small business owners, LLCs, entrepreneurs, ecommerce sellers, remote and hybrid workers, frequent travelers, digital nomads, expats, RVers, and anyone who needs a reliable address they can manage from anywhere. Sign up at http://ipostal1.com and get your mail where, when, and how you want it.

About

3Stone AI

Transform ideas into finished projects with an AI assistant. Engage in natural conversations, analyze files, create documents, manage projects, and initiate software or website builds seamlessly. Your progress and data sync across devices.

Highlights
  • AI chat for questions and research
  • Voice conversations and speech input
  • File and document analysis
  • Project and build management
  • Website and software creation
  • Cross-device synchronization
Features
Read full description

3Stone AI helps you move from an idea to finished work. Chat naturally, research questions, analyze files, create documents, organize projects, and start software or website builds from one conversation. Use the same 3Stone account across iPhone and web. Your conversations, projects, files, subscription, usage, and build progress stay connected. Start on your phone, review work on the go, and continue more detailed build work on your computer without starting over. Core features: • AI chat for everyday questions, planning, writing, and research • Voice conversations and speech input • File, photo, and document analysis • Project and build management • Website and software creation workflows • Generated document and product review • Cross-device account history and progress 3Stone AI is built around a simple idea: use AI to create useful technology and work you can own. 3Stone can make mistakes. Review important information and generated work before relying on, publishing, or deploying it. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Paid plans include monthly usage allowances that renew each billing period. Creation features such as images, video, music, websites and documents use these allowances, and image creation also has its own monthly allowance. Free includes a limited number of requests and up to 3 successful tries of each creation feature. Your remaining allowance is shown in Settings.

Screenshots

iPostal13 screens
3Stone AI3 screens

Verdict

The call

The clearest difference is review sentiment: 3Stone AI at 100% against iPostal1's 17%. 3Stone AI also leads on rating (5.0 vs 3.3) and update cadence (every 2 days vs every 3 weeks). iPostal1's advantage is in-app purchases (none vs 6) and ratings volume (1.1K vs 1). On price, 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. 3Stone AI sells 6 in-app purchases, starting at $7.99 per month. iPostal1 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

3Stone AI holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: iPostal1 has 1.1K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 17% of iPostal1's written reviews are positive against 100% of 3Stone AI's.

UpkeepUpdate frequency

iPostal1 ships an update every 3 weeks, 3Stone AI every 2 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard7 real differences · 3 level
iPostal1 versus 3Stone AI: the parameters behind the verdict, then further details
ParameteriPostal13Stone AI
PriceFreeFree
Rating3.3 (1.1K ratings)5.0 (1 ratings) — better
Positive reviews16.7% of reviews100.0% of reviews — better
Number of ratings1.1K — better1
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size60 MB22 MB
Age rating4+12+
DeveloperUSZoom, LLC3Stone AI LLC

Customer experience

iPostal1

All ratings1,123 ratings
Positive54.6%
Neutral5.1%
Negative40.3%
Written reviews354 reviews
Positive16.7%
Neutral7.1%
Negative76.3%

3Stone AI

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

iPostal1

Reported bugs

5 issues
  • App crashes on launch
  • App shows outdated mail information
  • Login issues and invalid session errors
  • Inconsistent app behavior across devices
  • Inability to manage mail and packages properly

Requested features

5 requests
  • Improve app performance and stability
  • Provide more transparent pricing
  • Enhance customer support and communication
  • Integrate app and website functionality
  • Add more customization and control options

3Stone AI

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

iPostal1

No in-app purchases

6 purchases

3Stone AI

Subscriptions6
  • 3Stone Starter$7.991 Month
  • 3Stone Plus$19.991 Month
  • 3Stone Advanced$75.001 Month
Show 3 more
  • 3Stone Starter$79.991 Year
  • 3Stone Pro$199.991 Month
  • 3Stone Plus$239.991 Year

Questions

Is iPostal1 free?
iPostal1 is free to download, with no in-app purchases.
Is 3Stone AI free?
3Stone AI is free to download, with in-app purchases available.
Which has better reviews, iPostal1 or 3Stone AI?
3Stone AI is rated higher. iPostal1 averages 3.3 out of 5 from 1.1K ratings, while 3Stone AI averages 5.0 from 1 ratings.
Do iPostal1 or 3Stone AI have ads?
Neither iPostal1 nor 3Stone AI shows ads.
Which is updated more often, iPostal1 or 3Stone AI?
iPostal1 ships an update every 3 weeks, and 3Stone AI every 2 days. Most recently, iPostal1 was updated on November 6, 2026 and 3Stone AI on October 31, 2026.

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