# 光年关键词AI扩展工具 vs EchoPilot

The clearest difference is device support: EchoPilot at 4 against 光年关键词AI扩展工具's —. 光年关键词AI扩展工具's advantage is iOS requirement (9.0 vs 16.1). On price and in-app purchases there is nothing between them.

Both are free to download. 光年关键词AI扩展工具 sells 2 one-off in-app purchases and EchoPilot sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 光年关键词AI扩展工具 | EchoPilot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Size | 36 MB | 27 MB |
| Requires iOS | **9.0** | 16.1 |
| Devices | — | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [光年实验室](https://appshunter.io/developer/1673241315) | [云龙 李](https://appshunter.io/developer/1835924335) |

## What reviewers say

### 光年关键词AI扩展工具

[App page](https://appshunter.io/ios/app/ai/id1673241313)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 光年关键词AI扩展工具1个月VIP | $14.99 | one-time |
| 光年关键词AI扩展工具12个月VIP | $129.99 | one-time |


### EchoPilot

[App page](https://appshunter.io/ios/app/echopilot/id6751770558)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EchoPilot Monthly | $9.99 | per month |
| EchoPilot Pro Yearly | $99.99 | per year |


## Frequently asked questions

### Is 光年关键词AI扩展工具 free?

光年关键词AI扩展工具 is free to download, with in-app purchases available.

### Is EchoPilot free?

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

---

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