# Coding Buddy vs AI钥匙串

The clearest difference is update cadence: Coding Buddy at every 3 days against AI钥匙串's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Coding Buddy sells 1 in-app purchase, starting at $9.99 per 3 months and AI钥匙串 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Coding Buddy ships an update every 3 days, AI钥匙串 monthly. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Coding Buddy | AI钥匙串 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Size | 30 MB | 4 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [沛东 徐](https://appshunter.io/developer/1896319932) | [欣悦 王](https://appshunter.io/developer/1880251143) |

## What reviewers say

### Coding Buddy

[App page](https://appshunter.io/ios/app/coding-buddy/id6766764495)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coding Buddy Pro Quarterly | $9.99 | per 3 months |


### AI钥匙串

[App page](https://appshunter.io/ios/app/ai/id6778318694)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Key Cards | $0.99 | one-time |


## Frequently asked questions

### Is Coding Buddy free?

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

### Is AI钥匙串 free?

AI钥匙串 is free to download, with in-app purchases available.

### Do Coding Buddy or AI钥匙串 have ads?

Neither Coding Buddy nor AI钥匙串 shows ads.

### Which is updated more often, Coding Buddy or AI钥匙串?

Coding Buddy ships an update every 3 days, and AI钥匙串 monthly. Most recently, Coding Buddy was updated on September 25, 2026 and AI钥匙串 on September 18, 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.*