# Mars AI vs SurfiAI Assistant

Mars AI and SurfiAI Assistant are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Mars AI sells 6 in-app purchases, starting at $6.99 per 7 days and SurfiAI Assistant sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Mars AI against 5.0 for SurfiAI Assistant. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Mars AI ships an update every 5 days, SurfiAI Assistant every 6 days. The most recent releases landed on November 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mars AI | SurfiAI Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mars-ai-your-ai-assistant/id6747075033/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/surfiai-assistant/id6781711368/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 6 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 79 MB | 26 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Marsby](https://appshunter.io/developer/1759965683) | [GalaxyTranslate AI by ProInstallers](https://appshunter.io/developer/1815044319) |

## What reviewers say

### Mars AI

[App page](https://appshunter.io/ios/app/mars-ai-your-ai-assistant/id6747075033)

This app offers a comprehensive AI experience, combining multiple advanced language models for chat, image generation, and document analysis. It features voice interaction, creative design tools, and intelligent web search to boost productivity and creativity.

**Highlights:** Multiple advanced AI models, Voice-powered conversations, AI image and photo generation/editing, Smart document summarization, AI-powered web search, Creative design tools (tattoo, signature, logo)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly - Premium | $6.99 | per 7 days |
| Weekly - Premium | $6.99 | per 7 days |
| Annual - Premium | $39.99 | per year |
| 40 Coins | $4.99 | one-time |
| 80 Coins | $5.99 | one-time |
| 120 Coins | $6.99 | one-time |


### SurfiAI Assistant

[App page](https://appshunter.io/ios/app/surfiai-assistant/id6781711368)

This AI companion offers chat, coding assistance, and task automation on iPhone and iPad. It supports multiple AI models, allows users to bring their own API keys, and includes vision and voice capabilities for enhanced interaction. Enjoy private, on-device processing where available.

**Highlights:** AI chat for everyday tasks, Pair-programming code review, Web task automation agent, Bring Your Own Key (BYOK) for multiple AI models, Image analysis and OCR, Voice input with wake word, On-device inference with Apple Intelligence

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SurfiAI Pro | $9.99 | per month |
| SurfiAI Pro Annual | $79.99 | per year |


## Frequently asked questions

### Is Mars AI free?

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

### Is SurfiAI Assistant free?

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

### Which has better reviews, Mars AI or SurfiAI Assistant?

Mars AI and SurfiAI Assistant are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Mars AI or SurfiAI Assistant have ads?

Both Mars AI and SurfiAI Assistant show ads.

### Which is updated more often, Mars AI or SurfiAI Assistant?

Mars AI ships an update every 5 days, and SurfiAI Assistant every 6 days. Most recently, Mars AI was updated on November 5, 2026 and SurfiAI Assistant on October 25, 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.*