Thermals vs Cloud Notify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Thermals
Monitor your device's thermal state and processor activity to diagnose performance issues. Understand why your phone might be running slowly, charging slowly, or have reduced brightness due to overheating. Export data for further analysis with other development tools.
- Displays device thermal state
- Shows active processor count
- Monitors device uptime
- Troubleshoots performance issues
- Helps diagnose slow charging
- Identifies brightness limitations
- Exports raw data for analysis
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Phone running slowly, charging slowly or low brightness? See if your device is overheating using Thermals. Thermals displays your device’s thermal state, as well as how many processors are active on your device and its uptime, as reported by iOS. Thermals helps troubleshoot: • Poor performance — iOS reduces processor speed and potentially disables processors temporarily when the device is hot. • Slow charging — battery charging causes a lot of heat and iOS can limit charging speed to reduce the additional heat that might make a device too hot. • Low maximum brightness — if your device screen stays dark despite being on full brightness, it could be limited by iOS due to heat. • Manufacturing defects — if not all processors are active when the device is cool and not in low power mode. Your device's thermal state is monitored regularly in the background and recorded in the app (if Background App Refresh is enabled). Open the app or tap the widget to record a data point manually. Export the raw data to file for corroboration with Screen Time, Xcode's Instruments, or other development tools. Also an independent Apple Watch app shows the thermal status, active processors and uptime, and thermal history of your watch.
Cloud Notify
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Cloud Notify is a beautifully simple, free alerting service. Are you a IT professional that needs to monitor vital infrastructure or a tinkerer who just wants an alert from your next cool project. No matter who you are or what you do Cloud Notify can help! You will need to register at https://cloudnotify.co.uk/ before using this app. Get started in no time, quickly and easily. Just register your device to your Cloud Notify account and begin sending alerts using our super simple API. Note for Reviewers If there is a feature you would like or you require an issue to be resolved please email me and I will gladly help. Have your say Cloud Notify is designed to be beautifully simple to use. This app is in active development with the most popular feature requests / suggestions added over time. So if you want to shape the future of Cloud Notify just give us your feedback.
Screenshots
Verdict
The clearest difference is in-app purchases: Thermals at none against Cloud Notify's 3. Thermals also leads on ads (none vs shown) and chart position (#182 vs unranked). Cloud Notify's advantage is update cadence (monthly vs every 3 months). On price, device support and iOS requirement 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. Cloud Notify sells 3 one-off in-app purchases. Thermals asks for nothing beyond the download.
Thermals ships an update every 3 months, Cloud Notify monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Thermals | Cloud Notify |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (30 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 30 — better | — |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Best chart rank | #182 — better | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 18.6 | 17.4 — better |
| Further details — not scored | ||
| Size | 3 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | George Garside | Pocket Brilliance Limited |
In-app purchases
Thermals
No in-app purchases
Cloud Notify
- Small Donation$0.99
- Medium Donation$2.99
- Large Donation$5.99
Questions
Is Thermals free?
Is Cloud Notify free?
Do Thermals or Cloud Notify have ads?
Which is updated more often, Thermals or Cloud Notify?
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