# ThinkNote vs Mars AI

The clearest difference is rating: Mars AI at 5.0 against ThinkNote's 3.0. ThinkNote's advantage is iOS requirement (15.1 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. ThinkNote sells 4 in-app purchases, starting at $9.99 per 7 days 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.

Mars AI holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Both ship on a similar rhythm, roughly every 2 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | ThinkNote | Mars AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/thinknote-nclex-rn-exam-prep/id6759180853/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/mars-ai-study-and-note-taker/id6786825890/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | Freemium | Free with in-app purchases |
| Size | 65 MB | 27 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ali Basharat](https://appshunter.io/developer/1655918132) | [Nexify Labs](https://appshunter.io/developer/1817440343) |

## What reviewers say

### ThinkNote

[App page](https://appshunter.io/ios/app/thinknote-nclex-rn-exam-prep/id6759180853)

Prepare for your NCLEX RN exam with a personalized readiness score that updates daily based on your quiz and practice results. Access high-yield audio lectures, flashcards, and cram sheets for focused study. Track your progress and build confidence for exam day.

**Highlights:** Personalized readiness score, Daily score updates, High-yield audio lectures, Bite-sized lessons, Flashcards and cram sheets, Exam day countdown

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThinkFirst Pro Weekly | $9.99 | per 7 days |
| ThinkFirst Pro Monthly | $19.99 | per month |
| ThinkFirst Pro Annual Discount | $29.99 | per year |
| ThinkFirst Pro Annual | $49.99 | 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 ThinkNote free?

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

### Is Mars AI free?

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

### Which has better reviews, ThinkNote or Mars AI?

Mars AI is rated higher. ThinkNote averages 3.0 out of 5 from 2 ratings, while Mars AI averages 5.0 from 4 ratings.

### Do ThinkNote or Mars AI have ads?

Neither ThinkNote nor Mars AI shows ads.

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

ThinkNote ships an update every 2 days, and Mars AI every 2 days. Most recently, ThinkNote was updated on October 25, 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.*