Comparison

Dovio vs postin

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

Head to head
About

Dovio

Features
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見知らぬ誰かと、手紙でつながる。 Dovioは、あなたのメッセージがランダムな誰かに届く、不思議な文通アプリです。 【こんな人におすすめ】 ・誰かに気持ちを伝えたいけど、相手を選ぶのが難しい ・見知らぬ人との偶然のつながりを楽しみたい ・日常のひとことを、誰かに届けたい 【特徴】 ・送ったメッセージはランダムな誰かに届く ・返信が来たらチャットスレッドが始まる ・ポイント制でスパムを抑制(初期50pt・送信-3pt・返信+1pt) ・性別・年代・エリアでプロフィール設定可能 【安心の設計】 ・不適切な内容は自動フィルタリング ・ブロック・通報機能あり ・運営による監視体制

About

postin

Features
Read full description

A little love, in a postcard. “Thank you for today.” “I can’t wait to see you again.” With postin, turn your favorite photos and a few heartfelt words into a digital postcard for the person you love. Share it through LINE. Your partner can open it in their browser—no app download or account needed. After a date. On a day you wish you could be together. For a birthday or anniversary. Give them a little something to open, smile at, and cherish. ■ Make it yours Add a photo, write a message, and decorate your postcard with handwriting, drawings, and stickers. A stamp is already in place, so you can start creating right away. You can swap it for another one, too. ■ Share through LINE Create a link to your postcard and send it through LINE. Your partner simply opens the link to view the card in their browser—even if they don’t use postin. ■ Open now, or save the surprise Let your partner open the card right away, or choose the date and time it becomes available. Make it a surprise for midnight on their birthday or the morning of your anniversary. Note: Scheduling sets when the postcard can be opened. It does not automatically send a LINE message. Please share the link with your partner in advance. ■ Try your first postcard Create and send a postcard in the tutorial without using a stamp. Start with a photo you love and something you’ve been meaning to say. ■ Stamps and subscriptions Regular postcard sending and share-link creation use stamps. Additional stamps are available through in-app purchases. An optional subscription includes unlimited sending, subscriber-exclusive stationery, and desk backgrounds. Receiving and viewing postcards is free. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the current period ends. You can manage or cancel your subscription in your App Store account settings. See the in-app purchase screen for pricing and subscription periods. Terms of Service: https://honey-cucumber-463.notion.site/postin-3adcc260b87780bc9705ff7010973037

Screenshots

Dovio4 screens
postin4 screens

Verdict

The call

The clearest difference is in-app purchases: Dovio at none against postin's 3. Dovio also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). postin's advantage is update cadence (every 2 days vs monthly). On price and ads 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. postin sells 3 in-app purchases, starting at $1.99 per month. Dovio asks for nothing beyond the download.

UpkeepUpdate frequency

Dovio ships an update monthly, postin every 2 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

Scorecard4 real differences · 2 level
Dovio versus postin: the parameters behind the verdict, then further details
ParameterDoviopostin
PriceFreeFree
Update frequencyMonthlyEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better26.0
Further details — not scored
Size8 MB47 MB
Age rating17+4+
DeveloperYuya Tanakakeishi yokoi

In-app purchases

None

Dovio

No in-app purchases

3 purchases

postin

Subscriptions2
  • Subscription Plan (Monthly)$1.991 Month
  • Annual Subscription$19.991 Year
One-time1
  • 5 Stamps$0.29

Questions

Is Dovio free?
Dovio is free to download, with no in-app purchases.
Is postin free?
postin is free to download, with in-app purchases available.
Do Dovio or postin have ads?
Neither Dovio nor postin shows ads.
Which is updated more often, Dovio or postin?
Dovio ships an update monthly, and postin every 2 days. Most recently, Dovio was updated on November 9, 2026 and postin on November 10, 2026.

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