# Echo Eye vs TKLingo

The clearest difference is in-app purchases: Echo Eye at none against TKLingo's 4. TKLingo's advantage is update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TKLingo sells 4 one-off in-app purchases. Echo Eye asks for nothing beyond the download.

Echo Eye ships an update every 3 weeks, TKLingo daily. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Echo Eye | TKLingo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 75 MB | 28 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HSC Tech Limited](https://appshunter.io/developer/1810433761) | [Shanghai PalmZen Wireless Technology Co.,Ltd](https://appshunter.io/developer/441512718) |

## What reviewers say

### Echo Eye

[App page](https://appshunter.io/ios/app/echo-eye/id6745018632)

**Features:** macOS Compatibility

**In-app purchases:** none


### TKLingo

[App page](https://appshunter.io/ios/app/tklingo/id6796593924)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 直播翻译时长300分钟 | $0.29 | one-time |
| 直播翻译时长60分钟 | $2.99 | one-time |
| 直播翻译时长720分钟 | $29.99 | one-time |
| 直播翻译时长9000分钟 | $299.99 | one-time |


## Frequently asked questions

### Is Echo Eye free?

Echo Eye is free to download, with no in-app purchases.

### Is TKLingo free?

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

### Do Echo Eye or TKLingo have ads?

Neither Echo Eye nor TKLingo shows ads.

### Which is updated more often, Echo Eye or TKLingo?

Echo Eye ships an update every 3 weeks, and TKLingo daily. Most recently, Echo Eye was updated on September 29, 2026 and TKLingo on October 1, 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.*