# Brainwave vs Personal Inventory

The clearest difference is price: Brainwave at $0.99 against Personal Inventory's $4.99. Brainwave also leads on iOS requirement (11.0 vs 15.1). Personal Inventory's advantage is update cadence (monthly vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

Brainwave costs $0.99 and Personal Inventory $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Brainwave ships an update every 3 months, Personal Inventory monthly. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Brainwave | Personal Inventory |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/brainwave/id400523459/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | — |
| Size | 9 MB | 21 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zymbiotic Technologies](https://appshunter.io/developer/338578112) | [Tuna Dag](https://appshunter.io/developer/1765114892) |

## What reviewers say

### Brainwave

[App page](https://appshunter.io/ios/app/brainwave/id400523459)

Capture and organize your thoughts with this note-taking application. Create calendar events, reminders, and export notes in various formats. Protect sensitive information with password protection and manage your data with backup and restore options.

**Highlights:** Organize notes with tags, Password protect sensitive notes, Create calendar events and reminders, Export notes to PDF or text, Supports various links (web, phone, maps), Backup and restore notes

**In-app purchases:** none


### Personal Inventory

[App page](https://appshunter.io/ios/app/personal-inventory-mythingss/id6670730772)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brainwave free?

Brainwave costs $0.99, with no in-app purchases.

### Is Personal Inventory free?

Personal Inventory costs $4.99, with no in-app purchases.

### Do Brainwave or Personal Inventory have ads?

Neither Brainwave nor Personal Inventory shows ads.

### Which is updated more often, Brainwave or Personal Inventory?

Brainwave ships an update every 3 months, and Personal Inventory monthly. Most recently, Brainwave was updated on October 1, 2026 and Personal Inventory on October 8, 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.*