# VoxWave vs Kairos

The clearest difference is rating: Kairos at 5.0 against VoxWave's 2.1. VoxWave's advantage is in-app purchases (none vs 2) and ratings volume (11 vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Kairos sells 2 in-app purchases, starting at $4.99 per month. VoxWave asks for nothing beyond the download.

Kairos holds the better App Store score, 5.0 against 2.1. Both are backed by a comparable volume of ratings — 11 and 3 respectively.

Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 1, 2026.

## The numbers

| Metric | VoxWave | Kairos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (11 ratings)](https://appshunter.io/ios/app/voxwave/id6742105181/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/kairos-shift-tracker/id6792157855/reviews)** |
| Number of ratings | **11** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | **Free** | Subscription |
| Size | 57 MB | 4 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [贤毅 刘](https://appshunter.io/developer/1742992813) | [BOAZ TIMOTHY WHEALY](https://appshunter.io/developer/6791718585) |

## What reviewers say

### VoxWave

[App page](https://appshunter.io/ios/app/voxwave/id6742105181)

This app transforms your phone into a voice recording and processing studio. It offers seamless Bluetooth transfer of audio files, accurate speech-to-text transcription, and automatic content summarization. Additionally, it can generate mind maps from your transcribed notes to help organize information.

**Highlights:** Bluetooth audio file transfer, Accurate speech-to-text transcription, Automatic content summarization, One-touch mind map generation, Digital voice file management

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

**In-app purchases:** none


### Kairos

[App page](https://appshunter.io/ios/app/kairos-shift-tracker/id6792157855)

This app helps shift workers and their families stay synchronized by providing a clear, shareable schedule. It allows users to easily track rotations, see real-time duty status, and receive notifications about upcoming shifts. Designed for professionals with complex schedules, it aims to eliminate guesswork and keep everyone informed.

**Highlights:** Shareable shift calendar, Real-time duty status, Customizable shift rotations, Home screen widgets, Apple Watch support, Multiple calendar tracking

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kairos Pro - Monthly | $4.99 | per month |
| Kairos Pro - Yearly | $49.99 | per year |


## Frequently asked questions

### Is VoxWave free?

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

### Is Kairos free?

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

### Which has better reviews, VoxWave or Kairos?

Kairos is rated higher. VoxWave averages 2.1 out of 5 from 11 ratings, while Kairos averages 5.0 from 3 ratings.

### Do VoxWave or Kairos have ads?

Neither VoxWave nor Kairos shows ads.

### Which is updated more often, VoxWave or Kairos?

VoxWave ships an update every 2 weeks, and Kairos every 2 weeks. Most recently, VoxWave was updated on October 1, 2026 and Kairos on October 1, 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.*