# SmartFields vs Mars AI

The clearest difference is ads: SmartFields at none against Mars AI's shown. SmartFields also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Mars AI's advantage is update cadence (every 5 days vs fortnightly). On price and in-app purchases there is nothing between them.

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

SmartFields ships an update fortnightly, Mars AI every 5 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SmartFields | Mars AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mars-ai-your-ai-assistant/id6747075033/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 106 MB | 79 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Oleh Sieroochenko](https://appshunter.io/developer/1804893012) | [Marsby](https://appshunter.io/developer/1759965683) |

## What reviewers say

### SmartFields

[App page](https://appshunter.io/ios/app/smartfields/id6743850679)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 AI-запитів | $0.99 | one-time |
| 50 AI Requests | $1.99 | one-time |
| 100 AI Requests | $2.99 | one-time |
| Mini Plan | $6.99 | one-time |
| Pro Plan | $14.99 | one-time |
| Expert Plan | $29.99 | one-time |


### 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 |


## Frequently asked questions

### Is SmartFields free?

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

### Is Mars AI free?

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

### Do SmartFields or Mars AI have ads?

Mars AI shows ads; SmartFields does not.

### Which is updated more often, SmartFields or Mars AI?

SmartFields ships an update fortnightly, and Mars AI every 5 days. Most recently, SmartFields was updated on October 24, 2026 and Mars AI on October 8, 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.*