# PLOPI vs postin

The clearest difference is ads: postin at none against PLOPI's shown. PLOPI's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. PLOPI sells 2 in-app purchases, starting at $3.99 per month and postin sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PLOPI | postin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | Every 2 days |
| Size | 58 MB | 47 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Beyond Imagine](https://appshunter.io/developer/1896774463) | [keishi yokoi](https://appshunter.io/developer/1861661371) |

## What reviewers say

### PLOPI

[App page](https://appshunter.io/ios/app/plopi-diary-for-two/id6771199721)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PLOPI PASS | $3.99 | per month |
| Standard Sticker Item | $0.49 | one-time |


### postin

[App page](https://appshunter.io/ios/app/postin-postcard-sns/id6794994524)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Plan (Monthly) | $1.99 | per month |
| Annual Subscription | $19.99 | per year |
| 5 Stamps | $0.29 | one-time |


## Frequently asked questions

### Is PLOPI free?

PLOPI is free to download, with in-app purchases available.

### Is postin free?

postin is free to download, with in-app purchases available.

### Do PLOPI or postin have ads?

PLOPI shows ads; postin does not.

### Which is updated more often, PLOPI or postin?

PLOPI ships an update every 2 days, and postin every 2 days. Most recently, PLOPI was updated on October 25, 2026 and postin on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*