# InstaLM vs PRAU App

The clearest difference is in-app purchases: PRAU App at none against InstaLM's 3. InstaLM's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. InstaLM sells 3 in-app purchases, starting at $4.99 per 7 days. PRAU App asks for nothing beyond the download.

InstaLM ships an update every 4 days, PRAU App every 3 weeks. The most recent releases landed on September 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | InstaLM | PRAU App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 29 MB | 24 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [旻 蔡](https://appshunter.io/developer/1454667188) | [Mulwana Joshua](https://appshunter.io/developer/1697126098) |

## What reviewers say

### InstaLM

[App page](https://appshunter.io/ios/app/instalm/id6504527345)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InstaLM Plus (Weekly) | $4.99 | per 7 days |
| InstaLM Plus (Monthly) | $19.99 | per month |
| InstaLM Plus (Annual) | $199.99 | per year |


### PRAU App

[App page](https://appshunter.io/ios/app/prau-app/id6779648091)

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

**In-app purchases:** none


## Frequently asked questions

### Is InstaLM free?

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

### Is PRAU App free?

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

### Do InstaLM or PRAU App have ads?

Neither InstaLM nor PRAU App shows ads.

### Which is updated more often, InstaLM or PRAU App?

InstaLM ships an update every 4 days, and PRAU App every 3 weeks. Most recently, InstaLM was updated on September 23, 2026 and PRAU App on October 7, 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.*