# Harness On vs 脑花

The clearest difference is in-app purchases: Harness On at none against 脑花's 9. Harness On also leads on update cadence (fortnightly vs every 5 weeks) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 脑花 sells 9 one-off in-app purchases. Harness On asks for nothing beyond the download.

Harness On ships an update fortnightly, 脑花 every 5 weeks. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Harness On | 脑花 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Size | 41 MB | 63 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Harness Inc.](https://appshunter.io/developer/1728785203) | [Cephalon Limited](https://appshunter.io/developer/1893219446) |

## What reviewers say

### Harness On

[App page](https://appshunter.io/ios/app/harness-on-call/id6753579217)

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

**In-app purchases:** none


### 脑花

[App page](https://appshunter.io/ios/app/agent/id6762169454)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7000 脑力值 | $0.99 | one-time |
| 28840 脑力值 | $5.99 | one-time |
| 50470 脑力值 | $9.99 | one-time |
| 72100 脑力值 | $14.99 | one-time |
| 220500 脑力值 | $39.99 | one-time |
| 367500 脑力值 | $69.99 | one-time |
| 529200 脑力值 | $99.99 | one-time |
| 680400 脑力值 | $129.99 | one-time |
| 756000 脑力值 | $149.99 | one-time |


## Frequently asked questions

### Is Harness On free?

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

### Is 脑花 free?

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

### Do Harness On or 脑花 have ads?

Neither Harness On nor 脑花 shows ads.

### Which is updated more often, Harness On or 脑花?

Harness On ships an update fortnightly, and 脑花 every 5 weeks. Most recently, Harness On was updated on October 17, 2026 and 脑花 on October 6, 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.*