# Postcards collector vs Mahjong Sort

The clearest difference is rating: Mahjong Sort at 5.0 against Postcards collector's 4.5. Mahjong Sort also leads on in-app purchases (none vs 10) and update cadence (every 3 days vs every 3 weeks). Postcards collector's advantage is ads (none vs shown) and iOS requirement (8.0 vs 12.0). On price, ratings volume and device support there is nothing between them.

Both are free to download. Postcards collector sells 10 one-off in-app purchases. Mahjong Sort asks for nothing beyond the download.

Mahjong Sort holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Postcards collector ships an update every 3 weeks, Mahjong Sort every 3 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Postcards collector | Mahjong Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/postcards-collector/id930864244/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mahjong-sort/id6740538759/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 86 MB | 18 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appscraft](https://appshunter.io/developer/1652334821) | [玉娥 李](https://appshunter.io/developer/1710233000) |

## What reviewers say

### Postcards collector

[App page](https://appshunter.io/ios/app/postcards-collector/id930864244)

Collect, trade, and send unique digital postcards from a vast collection featuring historical and popular designs. Build your personal collection and engage in auctions and exchanges with other users.

**Highlights:** Collect unique digital postcards, Send postcards via social networks or email, Trade and auction postcards, Build a personal postcard collection, Access over 500 unique designs, Features historical and popular postcards

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Common Postcards | $3.99 | one-time |
| Silver foil stamp | $5.99 | one-time |
| Premium user | $6.99 | one-time |
| Foil Gold Postcard | $6.99 | one-time |
| Fullversion | $7.99 | one-time |
| Buy rare postcard | $7.99 | one-time |
| Rare postcard | $7.99 | one-time |
| Rare Postcard | $7.99 | one-time |
| Add 20000 coins | $8.99 | one-time |
| 40000 coins | $12.99 | one-time |


### Mahjong Sort

[App page](https://appshunter.io/ios/app/mahjong-sort/id6740538759)

A novel casual puzzle game designed for relaxation. Players match identical tiles by moving them to the same container to clear the board and unwind.

**Highlights:** Relaxing gameplay, Casual puzzle mechanics, Tile matching, Brain relaxation, Novel game concept

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Postcards collector free?

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

### Is Mahjong Sort free?

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

### Which has better reviews, Postcards collector or Mahjong Sort?

Mahjong Sort is rated higher. Postcards collector averages 4.5 out of 5 from 2 ratings, while Mahjong Sort averages 5.0 from 1 ratings.

### Do Postcards collector or Mahjong Sort have ads?

Mahjong Sort shows ads; Postcards collector does not.

### Which is updated more often, Postcards collector or Mahjong Sort?

Postcards collector ships an update every 3 weeks, and Mahjong Sort every 3 days. Most recently, Postcards collector was updated on October 29, 2026 and Mahjong Sort on October 28, 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.*