# MCS BLEUpdater vs TelinkLockOTA

The clearest difference is update cadence: TelinkLockOTA at every 3 months against MCS BLEUpdater's every 9 months. TelinkLockOTA also leads on iOS requirement (11.0 vs 13.0). 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.

MCS BLEUpdater ships an update every 9 months, TelinkLockOTA every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | MCS BLEUpdater | TelinkLockOTA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Size | 20 MB | 2 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Medical Computer Systems, LTD](https://appshunter.io/developer/1111486416) | [Telink Micro LLC](https://appshunter.io/developer/1535739723) |

## What reviewers say

### MCS BLEUpdater

[App page](https://appshunter.io/ios/app/mcs-bleupdater/id1592464444)

**Features:** macOS Compatibility

**In-app purchases:** none


### TelinkLockOTA

[App page](https://appshunter.io/ios/app/telinklockota/id1639464932)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MCS BLEUpdater free?

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

### Is TelinkLockOTA free?

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

### Do MCS BLEUpdater or TelinkLockOTA have ads?

Neither MCS BLEUpdater nor TelinkLockOTA shows ads.

### Which is updated more often, MCS BLEUpdater or TelinkLockOTA?

MCS BLEUpdater ships an update every 9 months, and TelinkLockOTA every 3 months. Most recently, MCS BLEUpdater was updated on November 3, 2026 and TelinkLockOTA on November 3, 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.*