# ScanLink vs ESL System

ScanLink and ESL System are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScanLink ships an update every 6 weeks, ESL System every 5 weeks. The most recent releases landed on September 14, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | ScanLink | ESL System |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 174 MB | 77 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Displaydata Limited](https://appshunter.io/developer/1728025774) | [广州市超赢信息科技有限公司](https://appshunter.io/developer/1106219702) |

## What reviewers say

### ScanLink

[App page](https://appshunter.io/ios/app/scanlink/id6476870957)

**In-app purchases:** none


### ESL System

[App page](https://appshunter.io/ios/app/esl-system/id6478851646)

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

**In-app purchases:** none


## Frequently asked questions

### Is ScanLink free?

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

### Is ESL System free?

ESL System is free to download, with no in-app purchases.

### Do ScanLink or ESL System have ads?

Neither ScanLink nor ESL System shows ads.

### Which is updated more often, ScanLink or ESL System?

ScanLink ships an update every 6 weeks, and ESL System every 5 weeks. Most recently, ScanLink was updated on September 14, 2026 and ESL System on September 11, 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.*