# Mersindex vs Posin

The clearest difference is in-app purchases: Mersindex at none against Posin's 6. Mersindex also leads on iOS requirement (13.0 vs 15.1). Posin's advantage is update cadence (weekly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Posin sells 6 in-app purchases, starting at $6.99 per month. Mersindex asks for nothing beyond the download.

Mersindex ships an update monthly, Posin weekly. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Mersindex | Posin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 27 MB | 45 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Yasin Kucuk](https://appshunter.io/developer/1768059846) | [Muharrem Simsek](https://appshunter.io/developer/1884378532) |

## What reviewers say

### Mersindex

[App page](https://appshunter.io/ios/app/mersindex/id6677047098)

**Features:** macOS Compatibility

**In-app purchases:** none


### Posin

[App page](https://appshunter.io/ios/app/posin/id6773303958)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Posin Starter | $6.99 | per month |
| Posin Starter Yearly | $73.99 | per year |
| Premium Yearly | $159.99 | per year |
| Posin 10 Coins | $0.99 | one-time |
| Posin 20 Coins | $1.99 | one-time |
| Posin 50 Coins | $3.99 | one-time |


## Frequently asked questions

### Is Mersindex free?

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

### Is Posin free?

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

### Do Mersindex or Posin have ads?

Neither Mersindex nor Posin shows ads.

### Which is updated more often, Mersindex or Posin?

Mersindex ships an update monthly, and Posin weekly. Most recently, Mersindex was updated on October 9, 2026 and Posin on October 13, 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.*