# Bondsai vs VoiceBrain

The clearest difference is in-app purchases: VoiceBrain at none against Bondsai's 1. Bondsai's advantage is iOS requirement (14.0 vs 17.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Bondsai sells 1 one-off in-app purchase. VoiceBrain asks for nothing beyond the download.

Bondsai ships an update weekly, VoiceBrain every 4 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bondsai | VoiceBrain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 43 MB | 12 MB |
| Requires iOS | **14.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Yong Hui Kevin Yu](https://appshunter.io/developer/6778457352) | [Alexander Dolgov](https://appshunter.io/developer/1874363680) |

## What reviewers say

### Bondsai

[App page](https://appshunter.io/ios/app/bondsai-relationship-journal/id6778457350)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bondsai Pro | $12.99 | one-time |


### VoiceBrain

[App page](https://appshunter.io/ios/app/voicebrain/id6784916087)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bondsai free?

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

### Is VoiceBrain free?

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

### Do Bondsai or VoiceBrain have ads?

Neither Bondsai nor VoiceBrain shows ads.

### Which is updated more often, Bondsai or VoiceBrain?

Bondsai ships an update weekly, and VoiceBrain every 4 days. Most recently, Bondsai was updated on October 24, 2026 and VoiceBrain on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*