# 3CX vs Temperature Sensor Reader

The clearest difference is update cadence: Temperature Sensor Reader at every 10 days against 3CX's every 6 weeks. Temperature Sensor Reader also leads on iOS requirement (14.0 vs 16.3). 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.

3CX ships an update every 6 weeks, Temperature Sensor Reader every 10 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 3CX | Temperature Sensor Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (321 ratings)](https://appshunter.io/ios/app/3cx/id992045982/reviews)** | — |
| Number of ratings | **321** | — |
| Positive reviews | 28.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 65 MB | 3 MB |
| Requires iOS | 16.3 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [3CX](https://appshunter.io/developer/392927998) | [Keeping It Cool, Inc.](https://appshunter.io/developer/1659847458) |

## What reviewers say

### 3CX

[App page](https://appshunter.io/ios/app/3cx/id992045982)

This app enables remote work by allowing users to access their office phone extension from any location. It facilitates calls, conference scheduling, team chat, and video conferencing directly from an iOS device.

**Highlights:** Office extension access anywhere, Schedule conferences, Chat with colleagues, Video calls, QR code setup

**Features:** Siri integration, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Works great
- 👍 Easy to use
- 👍 Convenient mobile extension
- 👍 Reliable system
- 👍 Powerful features

**What reviewers complain about**

- 🐛 Calls drop/disconnect
- 🐛 Call quality issues
- 🐛 Unreliable notifications
- 🐛 Frequent bugs and crashes
- 🐛 Compatibility issues with iOS updates

**Reported bugs**

- Inability to answer/make calls
- Freezing/crashing during calls
- Missed call notifications not working
- Incompatibility with certain iOS versions
- Issues with call transfer and merging

**Requested features**

- Apple Watch support
- Customizable ringtones
- Do Not Disturb mode
- Call transfer/parking functionality
- Improved voicemail management


### Temperature Sensor Reader

[App page](https://appshunter.io/ios/app/temperature-sensor-reader/id1659847456)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3CX free?

3CX is free to download, with no in-app purchases.

### Is Temperature Sensor Reader free?

Temperature Sensor Reader is free to download, with no in-app purchases.

### Do 3CX or Temperature Sensor Reader have ads?

Neither 3CX nor Temperature Sensor Reader shows ads.

### Which is updated more often, 3CX or Temperature Sensor Reader?

3CX ships an update every 6 weeks, and Temperature Sensor Reader every 10 days. Most recently, 3CX was updated on October 24, 2026 and Temperature Sensor Reader on October 9, 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.*