# AI嘴替 vs Synca · Sync Your Aha Moment

The clearest difference is update cadence: AI嘴替 at weekly against Synca · Sync Your Aha Moment's every 5 weeks. Synca · Sync Your Aha Moment's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. AI嘴替 sells 2 in-app purchases, starting at $2.99 per 7 days and Synca · Sync Your Aha Moment sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

AI嘴替 ships an update weekly, Synca · Sync Your Aha Moment every 5 weeks. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AI嘴替 | Synca · Sync Your Aha Moment |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Size | 22 MB | 9 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [正 张](https://appshunter.io/developer/1883579299) | [杰雨 李](https://appshunter.io/developer/1879677009) |

## What reviewers say

### AI嘴替

[App page](https://appshunter.io/ios/app/ai/id6760478572)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pass | $2.99 | per 7 days |
| Credits Pack | $2.99 | one-time |


### Synca · Sync Your Aha Moment

[App page](https://appshunter.io/ios/app/synca-sync-your-aha-moment/id6761647007)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synca Unlimited (Monthly) | $0.99 | per month |
| Synca Unlimited (Yearly) | $3.99 | per year |
| Synca Unlimited Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is AI嘴替 free?

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

### Is Synca · Sync Your Aha Moment free?

Synca · Sync Your Aha Moment is free to download, with in-app purchases available.

### Do AI嘴替 or Synca · Sync Your Aha Moment have ads?

Neither AI嘴替 nor Synca · Sync Your Aha Moment shows ads.

### Which is updated more often, AI嘴替 or Synca · Sync Your Aha Moment?

AI嘴替 ships an update weekly, and Synca · Sync Your Aha Moment every 5 weeks. Most recently, AI嘴替 was updated on October 20, 2026 and Synca · Sync Your Aha Moment on October 25, 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.*