# Postfun vs ECOFON

The clearest difference is in-app purchases: ECOFON at none against Postfun's 2. ECOFON also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. Postfun sells 2 in-app purchases, starting at $2.99 per month. ECOFON asks for nothing beyond the download.

Postfun ships an update every 6 weeks, ECOFON monthly. The most recent releases landed on September 25, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Postfun | ECOFON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (61 ratings)](https://appshunter.io/ios/app/postfun-postcard-exchange/id1397899662/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | 70.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 45 MB | 155 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Ilya Ostashkov](https://appshunter.io/developer/864012260) | [Expert Telcom Pro](https://appshunter.io/developer/1546758907) |

## What reviewers say

### Postfun

[App page](https://appshunter.io/ios/app/postfun-postcard-exchange/id1397899662)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Postfun - Monthly subscription | $2.99 | per month |
| Postfun - Annual subscription | $24.99 | per year |


### ECOFON

[App page](https://appshunter.io/ios/app/ecofon/id1580189865)

**In-app purchases:** none


## Frequently asked questions

### Is Postfun free?

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

### Is ECOFON free?

ECOFON is free to download, with no in-app purchases.

### Do Postfun or ECOFON have ads?

Postfun shows ads; ECOFON does not.

### Which is updated more often, Postfun or ECOFON?

Postfun ships an update every 6 weeks, and ECOFON monthly. Most recently, Postfun was updated on September 25, 2026 and ECOFON on September 8, 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.*