# TwinMind vs Calculator XplusY

The clearest difference is price: TwinMind at Free against Calculator XplusY's $1.99. TwinMind also leads on update cadence (weekly vs fortnightly). Calculator XplusY's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 17.0). On ads and device support there is nothing between them.

TwinMind is free to download; Calculator XplusY costs $1.99 up front. TwinMind sells 4 in-app purchases, starting at $14.99 per month. Calculator XplusY asks for nothing beyond the download.

TwinMind ships an update weekly, Calculator XplusY fortnightly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TwinMind | Calculator XplusY |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.8 (927 ratings)](https://appshunter.io/ios/app/twinmind-ai-notes-and-memory/id6504585781/reviews)** | — |
| Number of ratings | **927** | — |
| Positive reviews | 78.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | — |
| Size | 136 MB | 18 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ThirdEar AI Inc](https://appshunter.io/developer/1752953181) | [crea:do s.r.o.](https://appshunter.io/developer/1816197473) |

## 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 (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TwinMind PRO (Monthly) | $14.99 | per month |
| TwinMind MAX (Monthly) | $49.99 | per month |
| TwinMind PRO (Annual) | $143.99 | 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


### Calculator XplusY

[App page](https://appshunter.io/ios/app/calculator-xplusy/id6746332566)

**In-app purchases:** none


## Frequently asked questions

### Is TwinMind free?

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

### Is Calculator XplusY free?

Calculator XplusY costs $1.99, with no in-app purchases.

### Do TwinMind or Calculator XplusY have ads?

Neither TwinMind nor Calculator XplusY shows ads.

### Which is updated more often, TwinMind or Calculator XplusY?

TwinMind ships an update weekly, and Calculator XplusY fortnightly. Most recently, TwinMind was updated on November 4, 2026 and Calculator XplusY on October 30, 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.*