# Lock Supplier vs BMS

The clearest difference is update cadence: BMS at every 5 months against Lock Supplier's every 46 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.

Lock Supplier ships an update every 46 months, BMS every 5 months. The most recent releases landed on September 12, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Lock Supplier | BMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 5 months** |
| Size | 28 MB | 85 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Hangzhou Sciener Smart Technology](https://appshunter.io/developer/1360996795) | [金铭 成](https://appshunter.io/developer/1707117327) |

## What reviewers say

### Lock Supplier

[App page](https://appshunter.io/ios/app/lock-supplier/id1643820520)

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

**In-app purchases:** none


### BMS

[App page](https://appshunter.io/ios/app/bms-data/id6467122247)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lock Supplier free?

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

### Is BMS free?

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

### Do Lock Supplier or BMS have ads?

Neither Lock Supplier nor BMS shows ads.

### Which is updated more often, Lock Supplier or BMS?

Lock Supplier ships an update every 46 months, and BMS every 5 months. Most recently, Lock Supplier was updated on September 12, 2026 and BMS on September 16, 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.*