3CX vs Temperature Sensor Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3CX
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.
- Office extension access anywhere
- Schedule conferences
- Chat with colleagues
- Video calls
- QR code setup
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Stay connected and make remote work easier with 3CX. This app allows you to use your office extension from anywhere and not only for calls. Schedule conferences, chat with your colleagues and video call from your iOS device. Getting Started: 1. Install the app. 2. Open it, read and accept the license agreement and authorize the permissions the app needs (camera, microphone). 3. Open your web client or desktop app and click on the QR code in the top right corner. Details on how to access your web client are in your 3CX email sent by your administrator. 4. Open your camera on your iOS device and scan the QR code shown on your screen. 5. Your extension is configured and you’re now “Ready for calls”! Important: This app is only for use with 3CX V20 and is not a standalone app. More information: https://www.3cx.com/user-manual/installation-iphone/
Temperature Sensor Reader
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Use this app to scan the data off of Keep it Cool temperature sensors - helping to ensure your food arrives fresh while using the right amount of coolant is used in each box.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | 3CX | Temperature Sensor Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (321 ratings) — better | — |
| Positive reviews | 28.4% of reviews | — |
| Number of ratings | 321 — better | — |
| Update frequency | Every 6 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.3 | 14.0 — better |
| Further details — not scored | ||
| Size | 65 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | 3CX | Keeping It Cool, Inc. |
Bugs and requests
3CX
Reported bugs
5 issues- 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
6 requests- Apple Watch support
- Customizable ringtones
- Do Not Disturb mode
- Call transfer/parking functionality
- Improved voicemail management
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- Siri/voice control integration
Temperature Sensor Reader
Not enough reviews yet to summarise bugs or requests.
In-app purchases
3CX
No in-app purchases
Temperature Sensor Reader
No in-app purchases
