# ESL System vs BleTag

The clearest difference is update cadence: ESL System at every 3 weeks against BleTag's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

ESL System ships an update every 3 weeks, BleTag every 2 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ESL System | BleTag |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 77 MB | 53 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [广州市超赢信息科技有限公司](https://appshunter.io/developer/1106219702) | [Shenzhen Ruidixin Technology Co., Ltd.](https://appshunter.io/developer/1873936775) |

## What reviewers say

### ESL System

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

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

**In-app purchases:** none


### BleTag

[App page](https://appshunter.io/ios/app/bletag/id6758612398)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ESL System free?

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

### Is BleTag free?

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

### Do ESL System or BleTag have ads?

Neither ESL System nor BleTag shows ads.

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

ESL System ships an update every 3 weeks, and BleTag every 2 months. Most recently, ESL System was updated on October 9, 2026 and BleTag on October 13, 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.*