# Lum vs Post Ai

The clearest difference is in-app purchases: Post Ai at none against Lum's 3. Post Ai also leads on iOS requirement (12.0 vs 15.0). Lum's advantage is update cadence (every 5 days vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Lum sells 3 in-app purchases, starting at $8.99 per month. Post Ai asks for nothing beyond the download.

Lum ships an update every 5 days, Post Ai every 9 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Lum | Post Ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/lum-ai-social-content-creator/id6466619933/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 62 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Nechaev](https://appshunter.io/developer/1707523809) | [Luis Mujica](https://appshunter.io/developer/1718482618) |

## What reviewers say

### Lum

[App page](https://appshunter.io/ios/app/lum-ai-social-content-creator/id6466619933)

This AI-powered writing assistant helps users generate unlimited posts and scripts, offering personalized content ideas and instant translations for global reach. It also provides interactive guides to enhance writing and marketing skills.

**Highlights:** Unlimited post and script generation, Personalized content ideas, Instant multi-language translation, Interactive writing and marketing guides, Content creation for social media and video

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $8.99 | per month |
| Annual, 50%, 1-week free | $29.99 | per year |
| Annual, 1-week free | $59.99 | per year |


### Post Ai

[App page](https://appshunter.io/ios/app/post-ai-generate-posts/id6473136604)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lum free?

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

### Is Post Ai free?

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

### Do Lum or Post Ai have ads?

Neither Lum nor Post Ai shows ads.

### Which is updated more often, Lum or Post Ai?

Lum ships an update every 5 days, and Post Ai every 9 months. Most recently, Lum was updated on October 24, 2026 and Post 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.*