# Brainwave vs CSVToXLSX Converter

The clearest difference is review sentiment: Brainwave at 20% against CSVToXLSX Converter's 0%. Brainwave also leads on update cadence (every 3 months vs every 9 months) and iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Brainwave ships an update every 3 months, CSVToXLSX Converter every 9 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Brainwave | CSVToXLSX Converter |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/brainwave/id400523459/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **20.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Paid | Paid |
| Size | 9 MB | 3 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zymbiotic Technologies](https://appshunter.io/developer/338578112) | [云峰 林](https://appshunter.io/developer/1740866485) |

## 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


### CSVToXLSX Converter

[App page](https://appshunter.io/ios/app/csvtoxlsx-converter/id6737782239)

Convert CSV files to XLSX and vice versa with this offline tool. It offers batch processing, instant previews, and easy sharing, all while ensuring data security through local processing. Ideal for professionals, students, and researchers needing efficient file format conversion.

**Highlights:** CSV to XLSX conversion, XLSX to CSV conversion, Batch file processing, Instant file preview, Easy file sharing, Offline operation, Local data processing

**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 CSVToXLSX Converter free?

CSVToXLSX Converter costs $0.99, with no in-app purchases.

### Do Brainwave or CSVToXLSX Converter have ads?

Neither Brainwave nor CSVToXLSX Converter shows ads.

### Which is updated more often, Brainwave or CSVToXLSX Converter?

Brainwave ships an update every 3 months, and CSVToXLSX Converter every 9 months. Most recently, Brainwave was updated on November 1, 2026 and CSVToXLSX Converter 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.*