# InstaLM vs MarzsAI

The clearest difference is device support: InstaLM at 3 against MarzsAI's 1. InstaLM also leads on iOS requirement (17.0 vs 26.5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. InstaLM sells 9 in-app purchases, starting at $4.99 per 7 days and MarzsAI sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

InstaLM ships an update every 4 days, MarzsAI every 5 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | InstaLM | MarzsAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/marzsai/id6805323939/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | — | Freemium |
| Size | 29 MB | 17 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [旻 蔡](https://appshunter.io/developer/1454667188) | [Mario Mathurin](https://appshunter.io/developer/6805323941) |

## What reviewers say

### InstaLM

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

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InstaLM Plus (Weekly) | $4.99 | per 7 days |
| InstaLM Pro (Weekly) | $9.99 | per 7 days |
| InstaLM Plus (Monthly) | $19.99 | per month |
| InstaLM Pro (Monthly) | $39.99 | per month |
| InstaLM Plus (Annual) | $199.99 | per year |
| InstaLM Pro (Annual) | $399.99 | per year |
| InstaLM 2,500 Credits | $1.99 | one-time |
| InstaLM 6,250 Credits | $4.99 | one-time |
| InstaLM 12,500 Credits | $9.99 | one-time |


### MarzsAI

[App page](https://appshunter.io/ios/app/marzsai/id6805323939)

This AI chat assistant requires no account or sign-in, allowing instant interaction. It answers questions, searches for nearby locations, and remembers personal details. Users can also scan documents or PDFs for AI analysis.

**Highlights:** No account or sign-in required, Answers questions word-by-word, Searches for nearby locations, Remembers personal details locally, Scans and analyzes documents/PDFs, Choice of two AI models

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MarzsAI Monthly | $4.99 | per month |
| MarzsAI Annual | $39.99 | per year |


## Frequently asked questions

### Is InstaLM free?

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

### Is MarzsAI free?

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

### Do InstaLM or MarzsAI have ads?

Neither InstaLM nor MarzsAI shows ads.

### Which is updated more often, InstaLM or MarzsAI?

InstaLM ships an update every 4 days, and MarzsAI every 5 days. Most recently, InstaLM was updated on November 4, 2026 and MarzsAI 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.*