# BLE Collection B2B vs Engineer Ally Mobile

The clearest difference is update cadence: BLE Collection B2B at every 2 months against Engineer Ally Mobile's every 3 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.

BLE Collection B2B ships an update every 2 months, Engineer Ally Mobile every 3 months. The most recent releases landed on May 16, 2026 and August 8, 2026 respectively.

## The numbers

| Metric | BLE Collection B2B | Engineer Ally Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 40 MB | 63 MB |
| Requires iOS | 13.1 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SOFTWeb - Adaptive I.T. Solutions](https://appshunter.io/developer/423310447) | [Engineer Ally](https://appshunter.io/developer/1718528510) |

## What reviewers say

### BLE Collection B2B

[App page](https://appshunter.io/ios/app/ble-collection-b2b/id6484591933)

**Features:** macOS Compatibility

**In-app purchases:** none


### Engineer Ally Mobile

[App page](https://appshunter.io/ios/app/engineer-ally-mobile/id6748547519)

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

**In-app purchases:** none


## Frequently asked questions

### Is BLE Collection B2B free?

BLE Collection B2B is free to download, with no in-app purchases.

### Is Engineer Ally Mobile free?

Engineer Ally Mobile is free to download, with no in-app purchases.

### Do BLE Collection B2B or Engineer Ally Mobile have ads?

Neither BLE Collection B2B nor Engineer Ally Mobile shows ads.

### Which is updated more often, BLE Collection B2B or Engineer Ally Mobile?

BLE Collection B2B ships an update every 2 months, and Engineer Ally Mobile every 3 months. Most recently, BLE Collection B2B was updated on May 16, 2026 and Engineer Ally Mobile on August 8, 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.*