# PSTR vs Posti AI

The clearest difference is review sentiment: Posti AI at 50% against PSTR's 40%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PSTR sells 8 in-app purchases, starting at $3.99 per 7 days and Posti AI sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PSTR ships an update every 8 days, Posti AI weekly. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PSTR | Posti AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (325 ratings)](https://appshunter.io/ios/app/pstr-ai-collage-and-carousel/id6751715404/reviews)** | — |
| Number of ratings | **325** | — |
| Positive reviews | 40.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 223 MB | 162 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Evgenii Fomin](https://appshunter.io/developer/1541480405) | [Nazar Verhun](https://appshunter.io/developer/1785723255) |

## What reviewers say

### PSTR

[App page](https://appshunter.io/ios/app/pstr-ai-collage-and-carousel/id6751715404)

Easily create stunning photo collages and carousel posts for social media or personal use. Transform your images with ready-made templates, intuitive editing tools, and a background remover. Perfect for aesthetic visuals and quick content creation.

**Highlights:** Create photo collages and carousel posts, Modern templates and adaptive layouts, Built-in background remover, Easy image editing (crop, resize, enhance), Add text, stickers, drawings, and frames, Save and share in high resolution

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week Subscription | $3.99 | per 7 days |
| Weekly Premium | $3.99 | per 7 days |
| Monthly Subscription (only Editor) | $4.99 | per month |
| Weekly Subscription Pro | $5.99 | per 7 days |
| Monthly Subscription | $14.99 | per month |
| Yearly Premium | $24.99 | per year |
| Annual Subscription | $29.99 | per year |
| Annual Subscription PRO | $49.99 | per year |


### Posti AI

[App page](https://appshunter.io/ios/app/posti-ai-draft-carousel-post/id6754608364)

Transform voice or text into scroll-stopping carousels, viral reels scripts, and engaging posts in under 60 seconds. Offers 40+ professional templates and supports 43 languages for content creation across multiple platforms.

**Highlights:** Voice to content generation, Multiple content formats, 40+ professional templates, Supports 43 languages, Offline voice input, On-device speech recognition

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Weekly Pro Trial | $4.99 | per 7 days |
| Monthly Plan | $14.99 | per month |
| PostiAI + | $99.99 | per year |


## Frequently asked questions

### Is PSTR free?

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

### Is Posti AI free?

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

### Do PSTR or Posti AI have ads?

Both PSTR and Posti AI show ads.

### Which is updated more often, PSTR or Posti AI?

PSTR ships an update every 8 days, and Posti AI weekly. Most recently, PSTR was updated on November 8, 2026 and Posti AI on October 30, 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.*