# TwinMind vs Kelvin Pipe

The clearest difference is in-app purchases: Kelvin Pipe at none against TwinMind's 10. TwinMind's advantage is update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

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

TwinMind ships an update weekly, Kelvin Pipe monthly. The most recent releases landed on October 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | TwinMind | Kelvin Pipe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (916 ratings)](https://appshunter.io/ios/app/twinmind-ai-notes-and-memory/id6504585781/reviews)** | — |
| Number of ratings | **916** | — |
| Positive reviews | 78.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | — |
| Size | 136 MB | 73 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ThirdEar AI Inc](https://appshunter.io/developer/1752953181) | [ABACUS DESK IT SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1460244190) |

## 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 (Monthly) | $14.99 | per month |
| TwinMind PRO Dev (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


### Kelvin Pipe

[App page](https://appshunter.io/ios/app/kelvin-pipe/id6737404780)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TwinMind free?

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

### Is Kelvin Pipe free?

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

### Do TwinMind or Kelvin Pipe have ads?

Neither TwinMind nor Kelvin Pipe shows ads.

### Which is updated more often, TwinMind or Kelvin Pipe?

TwinMind ships an update weekly, and Kelvin Pipe monthly. Most recently, TwinMind was updated on October 30, 2026 and Kelvin Pipe on October 4, 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.*