# Kawaii Calc vs VoiceZero

The clearest difference is in-app purchases: Kawaii Calc at none against VoiceZero's 1. Kawaii Calc also leads on iOS requirement (13.0 vs 26.0). VoiceZero's advantage is update cadence (every 6 days vs every 27 months). On price, ads and device support there is nothing between them.

Both are free to download. VoiceZero sells 1 one-off in-app purchase. Kawaii Calc asks for nothing beyond the download.

Kawaii Calc ships an update every 27 months, VoiceZero every 6 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kawaii Calc | VoiceZero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/voicezero-ai-note-taker/id6761296618/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 41 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yoshihiro Saisho](https://appshunter.io/developer/1137630981) | [EmeraldApps.io](https://appshunter.io/developer/1841972627) |

## What reviewers say

### Kawaii Calc

[App page](https://appshunter.io/ios/app/kawaii-calc/id1493508128)

**Features:** macOS Compatibility

**In-app purchases:** none


### VoiceZero

[App page](https://appshunter.io/ios/app/voicezero-ai-note-taker/id6761296618)

This app automatically transcribes and summarizes meetings into organized, searchable notes. It offers on-device recording and transcription for free, with advanced AI features like summaries and action items available through a one-time purchase.

**Highlights:** One-tap meeting recording, Automatic transcription, AI-generated summaries, Key decision and action item extraction, Searchable transcripts, On-device processing for privacy, No cloud or server reliance

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VoiceZero Pro | $34.99 | one-time |


## Frequently asked questions

### Is Kawaii Calc free?

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

### Is VoiceZero free?

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

### Do Kawaii Calc or VoiceZero have ads?

Neither Kawaii Calc nor VoiceZero shows ads.

### Which is updated more often, Kawaii Calc or VoiceZero?

Kawaii Calc ships an update every 27 months, and VoiceZero every 6 days. Most recently, Kawaii Calc was updated on November 3, 2026 and VoiceZero on October 31, 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.*