Postfun vs Diary for Pet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Send and receive real postcards
- Connect with international users
- Collect cards and stamps
- Discover new cultures
- Global postcard community
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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
Diary for Pet
Create a digital diary for your pet, sharing photos and short videos. Build a following for your pet and aim for global popularity. Use it to track your pet's health and daily activities.
- Pet diary entries
- Photo and video sharing
- Follower system
- Pet health tracking
- Global popularity goal
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This is a Pet Diary App that has the function of Instagram. So write diary with the feeling of your pet. You can share pictures of pets . Increase your pet's followers and Aim at Popular Pet in the World. !!!! FREE to registering in during the new release period. You can record sentences, pictures and videos (up to 10 seconds) to the diary. Please use it as a record of your pet. Also use it for your pet health management and etc. Images and Videos from https://videos.pexels.com/ https://www.pexels.com/ https://prcm.jp/ https://www.pakutaso.com/ http://kage-design.com/wp/?page_id=2
Screenshots
Verdict
The clearest difference is review sentiment: Postfun at 70% against Diary for Pet's 0%. Postfun also leads on rating (4.4 vs 1.0) and ratings volume (61 vs 1). Diary for Pet's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price 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
Both are free to download. Postfun sells 2 in-app purchases, starting at $2.99 per month. Diary for Pet asks for nothing beyond the download.
Postfun holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Postfun has 61 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 70% of Postfun's written reviews are positive against 0% of Diary for Pet's.
Postfun ships an update every 6 weeks, Diary for Pet every 11 days. Both last shipped on October 24, 2026.
| Parameter | Postfun | Diary for Pet |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (61 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 70.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 61 — better | 1 |
| Update frequency | Every 6 weeks | Every 11 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 62 MB |
| Age rating | 9+ | 12+ |
| Developer | Ilya Ostashkov | tadaki tokairin |
Customer experience
Postfun
Diary for Pet
In-app purchases
Postfun
- Postfun - Monthly subscription$2.991 Month
- Postfun - Annual subscription$29.991 Year
Diary for Pet
No in-app purchases
