# OAD upgrade for TI BLE devices vs C2ME Sentinel

The clearest difference is iOS requirement: OAD upgrade for TI BLE devices at 13.0 against C2ME Sentinel's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

OAD upgrade for TI BLE devices ships an update every 3 months, C2ME Sentinel every 2 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OAD upgrade for TI BLE devices | C2ME Sentinel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oad-upgrade-for-ti-ble-devices/id6463383522/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 21 MB | 22 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BrainSystem Pty Ltd](https://appshunter.io/developer/1704286959) | [Connect2ME](https://appshunter.io/developer/1172655477) |

## What reviewers say

### OAD upgrade for TI BLE devices

[App page](https://appshunter.io/ios/app/oad-upgrade-for-ti-ble-devices/id6463383522)

This utility upgrades firmware on Texas Instruments CC26XX and CC25XX series SoCs via Bluetooth LE. It supports the standard TI OAD Profile and can upgrade multiple devices simultaneously. It is compatible with devices developed by BrainSystems Pty Ltd and other third-party devices using the TI OAD profile.

**Highlights:** Bluetooth LE firmware upgrades, Supports CC26XX and CC25XX series SoCs, TI OAD Profile support, Multi-device upgrade (Gang mode), Compatible with BrainSystems and 3rd party devices

**Features:** macOS Compatibility

**In-app purchases:** none


### C2ME Sentinel

[App page](https://appshunter.io/ios/app/c2me-sentinel/id6759701952)

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

**In-app purchases:** none


## Frequently asked questions

### Is OAD upgrade for TI BLE devices free?

OAD upgrade for TI BLE devices is free to download, with no in-app purchases.

### Is C2ME Sentinel free?

C2ME Sentinel is free to download, with no in-app purchases.

### Do OAD upgrade for TI BLE devices or C2ME Sentinel have ads?

Neither OAD upgrade for TI BLE devices nor C2ME Sentinel shows ads.

### Which is updated more often, OAD upgrade for TI BLE devices or C2ME Sentinel?

OAD upgrade for TI BLE devices ships an update every 3 months, and C2ME Sentinel every 2 months. Most recently, OAD upgrade for TI BLE devices was updated on November 3, 2026 and C2ME Sentinel on October 25, 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.*