Comparison

Postfun vs Astruno

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

Head to head
About

Postfun

Connect with people globally by exchanging real paper postcards. Discover new friends, collect unique cards and stamps, and share a piece of your world. The more you send, the more you receive.

Highlights
  • Send and receive real postcards
  • Connect with international users
  • Collect cards and stamps
  • Discover new cultures
  • Global postcard community
Features
Read full description

Discover the joy of real postcard exchange! With Postfun, you can send and receive real paper postcards from people all around the world. Find new friends, collect beautiful cards and stamps, and share a piece of your world with others. --- HOW IT WORKS 1. Request an address and a unique Postcard ID in the app. 2. Write and send a real postcard to the address you received. 3. When your postcard arrives, another Postfun user will send one back to you! 4. Register the Postcard ID when you receive a card and thank the sender. 5. Keep sending and receiving postcards — the more you send, the more you get! --- WHY YOU’LL LOVE POSTFUN • Exchange real postcards — not digital ones • Connect with people from different countries • Discover new cultures and languages • Collect cards and unique stamps • Enjoy a relaxing, creative hobby loved by millions --- Join the global postcard community and make someone’s day with a card! Start your postcard journey today — with Postfun! --- SUBSCRIPTION PRICING AND TERMS Postfun offers two auto-renewing subscription options: $2.99 per month $24.99 per year These prices are for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. The subscription will automatically renew unless turned off in your Apple Account Settings at least 24 hours before current period ends. You can go to your Apple Account settings to manage your subscription and turn off auto-renew. Your Apple Account will be charged when the purchase is confirmed. Read the terms and conditions here - https://ostasoft.com/postfun/terms Read the privacy policy here - https://ostasoft.com/postfun/policy

About

Astruno

Share your thoughts and discover others who feel the same way through a unique 3D globe and celestial sky interface. Connect with people globally based on shared emotions and experiences, fostering genuine connections without the noise of traditional social media.

Highlights
  • 3D interactive globe visualization of thoughts
  • Celestial sky view grouped by theme and emotion
  • Search for thoughts by feeling, not keywords
  • Text-only sharing for focused communication
  • Pseudonymous profiles for honest expression
  • Direct messaging and following features
  • Constellation-based conversation growth
Features
Read full description

Who out there feels what I feel? Astruno is a social platform where your thoughts resonate across the world — not through a feed, but through a living 3D globe and a celestial sky. Every thought you share becomes a star. Every star connects to others that carry similar meaning, forming constellations of shared human experience. You are never the only one who feels this way. HOW IT WORKS Write a thought — up to 250 characters. It becomes a glowing light on a 3D globe, placed where you are, and a star in a shared sky, clustered with thoughts that carry similar meaning. That's it. No hashtags. No tagging. Just honesty. GLOBE VIEW A 3D interactive globe shows thoughts as soft lights scattered across the world. Tap one to read it. Lines draw outward, connecting it to similar thoughts in other cities and countries — constellations of resonance across geography. See what people in Tokyo, Berlin, São Paulo, and everywhere in between are feeling right now. SKY VIEW A celestial sky where thoughts appear as stars, grouped by theme and emotion — hope, love, courage, loneliness, wonder, and more. Tap a star to enter its constellation — the original thought at the center, with replies orbiting around it. Conversations grow spatially, like small universes. SEARCH BY FEELING Type a feeling, not a keyword. Something like "I feel like I'm falling behind" or "grateful for the small things." The globe and sky reshuffle to show you people around the world who feel the same way. You don't have to post to participate. Just search, explore, and discover. TEXT ONLY No images. No videos. No reels. Just words. In a world drowning in visual noise, Astruno is a space where thoughts speak for themselves — short, honest, and intentional. NO NOISE No likes counter. No follower leaderboards. No algorithmic feed. No endless scroll. Discovery is driven by meaning, not popularity. You find thoughts that resonate — not thoughts that went viral. PSEUDONYMOUS Pick a nickname. That is your identity. No real names, no bios, no profile photos required. Say what you actually feel without the weight of being watched. CONNECT Follow people whose words move you. Reply to thoughts and watch conversations grow into constellations. Send direct messages. Build connections through shared feeling, not social performance. WHY ASTRUNO Because you have felt something and wondered if anyone else in the world feels it too. They do. And they are everywhere. Resonate with the world.

Screenshots

Postfun4 screens
Astruno4 screens

Verdict

The call

The clearest difference is rating: Astruno at 5.0 against Postfun's 4.4. Astruno also leads on in-app purchases (none vs 2) and ads (none vs shown). Postfun's advantage is ratings volume (61 vs 4). On price, device support and iOS requirement 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. Postfun sells 2 in-app purchases, starting at $2.99 per month. Astruno asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Astruno holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Postfun has 61 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

Postfun ships an update every 6 weeks, Astruno weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
Postfun versus Astruno: the parameters behind the verdict, then further details
ParameterPostfunAstruno
PriceFreeFree
Rating4.4 (61 ratings)5.0 (4 ratings) — better
Positive reviews70.3% of reviews—
Number of ratings61 — better4
Update frequencyEvery 6 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationAd-supportedFree — better
DevicesiPhoneiPhone
Requires iOS16.616.0 — better
Further details — not scored
Size45 MB75 MB
Age rating9+12+
DeveloperIlya OstashkovMokabyte AI

Customer experience

Postfun

All ratings61 ratings
Positive82.0%
Neutral8.2%
Negative9.8%
Written reviews91 reviews
Positive70.3%
Neutral8.8%
Negative20.9%

Astruno

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Postfun

Subscriptions2
  • Postfun - Monthly subscription$2.991 Month
  • Postfun - Annual subscription$29.991 Year
None

Astruno

No in-app purchases

Questions

Is Postfun free?
Postfun is free to download, with in-app purchases available.
Is Astruno free?
Astruno is free to download, with no in-app purchases.
Which has better reviews, Postfun or Astruno?
Astruno is rated higher. Postfun averages 4.4 out of 5 from 61 ratings, while Astruno averages 5.0 from 4 ratings.
Do Postfun or Astruno have ads?
Postfun shows ads; Astruno does not.
Which is updated more often, Postfun or Astruno?
Postfun ships an update every 6 weeks, and Astruno weekly. Most recently, Postfun was updated on November 2, 2026 and Astruno on October 31, 2026.

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