# Post vs Centinela

The clearest difference is in-app purchases: Post at none against Centinela's 2. Post also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (13.0 vs 15.5). Centinela's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Centinela sells 2 in-app purchases, starting at $6.99 per month. Post asks for nothing beyond the download.

Post ships an update fortnightly, Centinela every 3 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Post | Centinela |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 67 MB | 169 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Gokhan AKGUL](https://appshunter.io/developer/1849823609) | [Changing Lifes LLC](https://appshunter.io/developer/6791587852) |

## What reviewers say

### Post

[App page](https://appshunter.io/ios/app/post-conversion-actions/id6754729862)

**Features:** macOS Compatibility

**In-app purchases:** none


### Centinela

[App page](https://appshunter.io/ios/app/centinela-personal-safety/id6791587849)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Centinela Premium Monthly | $6.99 | per month |
| Centinela Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is Post free?

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

### Is Centinela free?

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

### Do Post or Centinela have ads?

Post shows ads; Centinela does not.

### Which is updated more often, Post or Centinela?

Post ships an update fortnightly, and Centinela every 3 months. Most recently, Post was updated on October 25, 2026 and Centinela on October 31, 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.*