# TwinMind vs M91

The clearest difference is in-app purchases: M91 at none against TwinMind's 10. M91 also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TwinMind sells 10 in-app purchases, starting at $14.99 per month. M91 asks for nothing beyond the download.

TwinMind ships an update weekly, M91 every 9 days. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | TwinMind | M91 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (862 ratings)](https://appshunter.io/ios/app/twinmind-ai-notes-and-memory/id6504585781/reviews)** | — |
| Number of ratings | **862** | — |
| Positive reviews | 79.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free | — |
| Size | 131 MB | 30 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ThirdEar AI Inc](https://appshunter.io/developer/1752953181) | [Walkover Web Solutions Pvt. Ltd.](https://appshunter.io/developer/793737585) |

## What reviewers say

### TwinMind

[App page](https://appshunter.io/ios/app/twinmind-ai-notes-and-memory/id6504585781)

This app acts as an AI-powered second brain, capturing and transcribing your conversations, meetings, and lectures. It automatically generates summaries, suggests tasks, and builds a searchable memory bank for personalized assistance and content generation, all while prioritizing user privacy.

**Highlights:** AI-powered transcription, Automated summaries and action items, Searchable memory bank, Personalized AI suggestions, Content generation (emails, study guides), On-device transcription, Privacy-focused data handling

**Features:** Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TwinMind PRO Dev (Monthly) | $14.99 | per month |
| TwinMind PRO (Monthly) | $14.99 | per month |
| Unlimited access | $15.00 | per month |
| TwinMind MAX Dev (Monthly) | $29.99 | per month |
| TwinMind MAX (Monthly) | $49.99 | per month |
| Unlimited Access | $119.99 | per year |
| TwinMind PRO (Annual) | $143.99 | per year |
| TwinMind PRO Dev (Annual) | $149.99 | per year |
| TwinMind MAX Dev (Yearly) | $289.00 | per year |
| TwinMind MAX (Yearly) | $359.99 | per year |

**What reviewers like**

- 🚀 Incredibly useful app
- 🚀 Huge time saver
- 🚀 Best meeting notes
- 🚀 Saving me hours a day
- 🚀 Memory Bank

**Requested features**

- Capture widget for quick access


### M91

[App page](https://appshunter.io/ios/app/m91/id6759090472)

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

**In-app purchases:** none


## Frequently asked questions

### Is TwinMind free?

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

### Is M91 free?

M91 is free to download, with no in-app purchases.

### Do TwinMind or M91 have ads?

Neither TwinMind nor M91 shows ads.

### Which is updated more often, TwinMind or M91?

TwinMind ships an update weekly, and M91 every 9 days. Most recently, TwinMind was updated on September 23, 2026 and M91 on September 19, 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.*