# Theengs BLE vs Local Calendar Sync

The clearest difference is review sentiment: Local Calendar Sync at 100% against Theengs BLE's 50%. Theengs BLE's advantage is price ($3.99 vs $6.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Theengs BLE costs $3.99 and Local Calendar Sync $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 30, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Theengs BLE | Local Calendar Sync |
| --- | --- | --- |
| Price | **$3.99** | $6.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/theengs-ble/id6443457651/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Paid | Paid |
| Size | 45 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [A Thing Story LLC](https://appshunter.io/developer/1646121198) | [Robin-Manuel Thiel](https://appshunter.io/developer/1734610460) |

## What reviewers say

### Theengs BLE

[App page](https://appshunter.io/ios/app/theengs-ble/id6443457651)

This app reads data from a wide variety of Bluetooth Low Energy (BLE) sensors, displaying environmental information like temperature and humidity. It offers live BBQ monitoring with custom notifications and integrates with smart home platforms like Home Assistant.

**Highlights:** Reads BLE sensor data, Live BBQ monitoring, Customizable notifications, Smart home integration (MQTT), Vendor-agnostic sensor support, Local data storage

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

**In-app purchases:** none


### Local Calendar Sync

[App page](https://appshunter.io/ios/app/local-calendar-sync/id6478960914)

Automatically sync events between your calendars without sharing confidential data. This app creates blockers or copies of appointments in other calendars to ensure accurate availability display. It operates entirely offline, protecting your privacy.

**Highlights:** Automatic event synchronization, Creates event blockers or copies, Ensures accurate availability display, Works fully offline, Does not collect user data, Uses native calendar access

**In-app purchases:** none


## Frequently asked questions

### Is Theengs BLE free?

Theengs BLE costs $3.99, with no in-app purchases.

### Is Local Calendar Sync free?

Local Calendar Sync costs $6.99, with no in-app purchases.

### Do Theengs BLE or Local Calendar Sync have ads?

Neither Theengs BLE nor Local Calendar Sync shows ads.

### Which is updated more often, Theengs BLE or Local Calendar Sync?

Theengs BLE ships an update every 5 months, and Local Calendar Sync every 5 months. Most recently, Theengs BLE was updated on October 30, 2026 and Local Calendar Sync on October 21, 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.*