# Enotee vs Mars AI

The clearest difference is update cadence: Mars AI at every 2 days against Enotee's weekly. Enotee's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Enotee sells 4 in-app purchases, starting at $7.99 per month and Mars AI sells 7 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Enotee ships an update weekly, Mars AI every 2 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Enotee | Mars AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/mars-ai-study-and-note-taker/id6786825890/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 48 MB | 27 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anazodo Somto](https://appshunter.io/developer/1498234689) | [Nexify Labs](https://appshunter.io/developer/1817440343) |

## What reviewers say

### Enotee

[App page](https://appshunter.io/ios/app/enotee-your-ai-study-partner/id6762641058)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Monthly | $7.99 | per month |
| Scholar Monthly | $16.99 | per month |
| Student Yearly | $79.99 | per year |
| Scholar Yearly | $169.00 | per year |


### Mars AI

[App page](https://appshunter.io/ios/app/mars-ai-study-and-note-taker/id6786825890)

This app transforms dense academic material into interactive study missions. It automates organization, generates summaries, flashcards, and practice tests from lectures, PDFs, or links, helping users retain information more effectively and reduce study time.

**Highlights:** Instant AI Summaries, Audio Lecture Podcasts, Gamified Test Prep, Interactive AI Chat, Progress Trackers, Lecture Recording & PDF Upload

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mars AI Premium Weekly | $4.99 | per 7 days |
| Mars AI Premium Monthly | $12.99 | per month |
| Mars AI Premium Annual | $49.99 | per year |
| Mars AI Premium Annual | $49.99 | per year |
| Mars AI Premium Annual | $59.99 | per year |
| Mars AI Premium Annual | $69.99 | per year |
| Mars AI Premium Annual | $79.99 | per year |


## Frequently asked questions

### Is Enotee free?

Enotee 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 Enotee or Mars AI have ads?

Neither Enotee nor Mars AI shows ads.

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

Enotee ships an update weekly, and Mars AI every 2 days. Most recently, Enotee was updated on October 31, 2026 and Mars AI 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.*