PoolTherm vs CELSI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PoolTherm
Remotely manage your pool's heating system from your mobile device. Control power, modes, temperature, and set timers. Includes weather forecasts to optimize heating schedules.
- Remote heat pump control
- On/Off functionality
- Whisper/Boost mode selection
- Water temperature setting
- Timer scheduling
- Weather forecast integration
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PoolTherm app is a smart app and remote controller for your pool heating. It can control pool heat pump in your mobile phone. Main functions: 1. Control On/Off of your pool heat pump 2. Select Whisper/Boost mode 3. Set water temperature 4. Set timer 5. Weather forecast In accordance with the Product Security and Telecommunications Infrastructure (Security Requirements for Relevant Connectable Products) Regulations 2023, the link allows security vulnerabilities identified on I-PAC and Pooltherm products sold within the United Kingdom to be reported to Dantherm Group. The link also provides information on when and how the vulnerability report will be acknowledged, when and how progress updates on any investigation into the vulnerability will be supplied, and the relevant minimum security update periods for I-PAC and Pooltherm products. Link https://info.danthermgroup.com/en-gb/vulnerability-report
CELSI
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App can be used to ; Turn on/off the fire set heater level set brightness level set flame color set fuel bed color set downlight color set 7 days timer Use Adptive Voice control
Screenshots
Verdict
The clearest difference is iOS requirement: PoolTherm at 11.0 against CELSI's 13.0. On price, update cadence, ads and in-app purchases 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.
PoolTherm ships an update every 24 months, CELSI every 17 months. The most recent releases landed on June 11, 2026 and September 11, 2026 respectively.
| Parameter | PoolTherm | CELSI |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 24 months | Every 17 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 241 MB | 189 MB |
| Age rating | 4+ | 12+ |
| Developer | Dantherm | BFM Europe Limited |
In-app purchases
PoolTherm
No in-app purchases
CELSI
No in-app purchases
