Comparison

Postfun vs 尺书

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

尺书

Features
Read full description

明信片交友、收集、分享; 给TA或未来的你写封信。 支持电子信和纸质信代寄。 亲笔信保管到未来。 从前车马很远,书信很慢,一生只够爱一个人。 在这个快节奏的信息化时代,还有这样一群人。 具有书写的动手能力、乐于分享生活的兴趣、仪式生活的塑造情怀、文艺范的雅致气质。 目前还不知道怎么称呼他们,还没有一个精准的词。 尺书2.0给你们和他们一个定义。

Screenshots

Postfun4 screens
尺书3 screens

Verdict

The call

The clearest difference is ads: 尺书 at none against Postfun's shown. 尺书 also leads on device support (3 vs 1) and iOS requirement (9.0 vs 16.6). On price, update cadence 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. Postfun sells 2 in-app purchases, starting at $2.99 per month and 尺书 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Postfun ships an update every 6 weeks, 尺书 every 5 weeks. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 7 level
Postfun versus 尺书: the parameters behind the verdict, then further details
ParameterPostfun尺书
PriceFreeFree
Rating4.4 (61 ratings) — better—
Positive reviews70.3% of reviews—
Number of ratings61 — better—
Update frequencyEvery 6 weeksEvery 5 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.69.0 — better
Further details — not scored
Size45 MB88 MB
Age rating9+4+
DeveloperIlya OstashkovShenZhen ChuanChi Technology Co., Ltd.

In-app purchases

2 purchases

Postfun

Subscriptions2
  • Postfun - Monthly subscription$2.991 Month
  • Postfun - Annual subscription$29.991 Year
1 purchases

尺书

One-time1
  • Email慢递服务2 variants$0.99

Questions

Is Postfun free?
Postfun is free to download, with in-app purchases available.
Is 尺书 free?
尺书 is free to download, with in-app purchases available.
Do Postfun or 尺书 have ads?
Postfun shows ads; 尺书 does not.
Which is updated more often, Postfun or 尺书?
Postfun ships an update every 6 weeks, and 尺书 every 5 weeks. Most recently, Postfun was updated on October 24, 2026 and 尺书 on October 3, 2026.

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