Comparison

Postfun vs Left Traffic

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

Left Traffic

Read full description

Enter the Pattern. Left Traffic is where aviation's stories live — the flights, the places, the people, and the moments that make it worth remembering. Whether you're a certificated pilot, a student on your first solo, or someone who just loves watching airplanes, Left Traffic gives your flying a home. Share a photo from the ramp. Post the story behind a flight. Follow other pilots and watch their stories fill your feed. Comment, like, and connect with a community that gets it. Every flight has a story. Share yours.

Screenshots

Postfun4 screens
Left Traffic4 screens

Verdict

The call

The clearest difference is in-app purchases: Left Traffic at none against Postfun's 2. Left Traffic also leads on ads (none vs shown) and update cadence (weekly vs every 6 weeks). 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. Left Traffic asks for nothing beyond the download.

UpkeepUpdate frequency

Postfun ships an update every 6 weeks, Left Traffic weekly. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 7 level
Postfun versus Left Traffic: the parameters behind the verdict, then further details
ParameterPostfunLeft Traffic
PriceFreeFree
Rating4.4 (61 ratings) — better—
Positive reviews70.3% of reviews—
Number of ratings61 — better—
Update frequencyEvery 6 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationAd-supported—
DevicesiPhoneiPhone
Requires iOS16.616.4 — better
Further details — not scored
Size45 MB52 MB
Age rating9+12+
DeveloperIlya OstashkovAzhar Zuberi

In-app purchases

2 purchases

Postfun

Subscriptions2
  • Postfun - Monthly subscription$2.991 Month
  • Postfun - Annual subscription$24.991 Year
None

Left Traffic

No in-app purchases

Questions

Is Postfun free?
Postfun is free to download, with in-app purchases available.
Is Left Traffic free?
Left Traffic is free to download, with no in-app purchases.
Do Postfun or Left Traffic have ads?
Postfun shows ads; Left Traffic does not.
Which is updated more often, Postfun or Left Traffic?
Postfun ships an update every 6 weeks, and Left Traffic weekly. Most recently, Postfun was updated on October 16, 2026 and Left Traffic on October 8, 2026.

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