# AI同步精灵 vs Light Ideas

The clearest difference is in-app purchases: AI同步精灵 at none against Light Ideas's 1. AI同步精灵 also leads on iOS requirement (15.0 vs 18.0). Light Ideas's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Light Ideas sells 1 one-off in-app purchase. AI同步精灵 asks for nothing beyond the download.

AI同步精灵 ships an update every 3 weeks, Light Ideas every 10 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AI同步精灵 | Light Ideas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 25 MB | 21 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Water World Software Technology Co., Ltd](https://appshunter.io/developer/1753909625) | [皓东 马](https://appshunter.io/developer/1879274312) |

## What reviewers say

### AI同步精灵

[App page](https://appshunter.io/ios/app/ai/id6749175700)

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

**In-app purchases:** none


### Light Ideas

[App page](https://appshunter.io/ios/app/light-ideas-thought-board/id6760224660)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Membership | $4.99 | one-time |


## Frequently asked questions

### Is AI同步精灵 free?

AI同步精灵 is free to download, with no in-app purchases.

### Is Light Ideas free?

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

### Do AI同步精灵 or Light Ideas have ads?

Neither AI同步精灵 nor Light Ideas shows ads.

### Which is updated more often, AI同步精灵 or Light Ideas?

AI同步精灵 ships an update every 3 weeks, and Light Ideas every 10 days. Most recently, AI同步精灵 was updated on October 28, 2026 and Light Ideas on October 25, 2026.

---

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