IamThermowatt vs Contact Separator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IamThermowatt
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IamThermowatt allows you to find out if the thermostats and the heating elements are original, just holding your smartphone on the NFC logo printed on the carton box. NFC is a microchip device and the most innovative technological solution that replaces other easily reproducible solutions such as QR-codes or holograms. The unique “embedded” NFC tags are applied directly on the boxes, equipped with a serial number (which cannot be reproduced and cannot be falsified) and can be easily read by wholesalers and by their retailers through smartphone where IamThermowatt is installed. Fight the counterfeiting with Thermowatt!
Contact Separator
This utility app allows you to separate your contacts into distinct lists, such as business and personal, and protects them from unauthorized third-party access. It also provides caller identification and identifies calls within your call history.
- Separate contacts from standard list
- Caller Identification
- Call History Identification
- vCard Import
- Privacy protection for contacts
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Isolate your contacts from the standard contact list and protect them from access by third-party apps. For example, maintain business contacts separately from private contacts and you will still be informed who is currently calling. Calls in the call history are also identified. • Separate contacts from standard contacts • Caller Identification • Call History Identification • vCard Import Privacy Policy: https://it-service-schneider.de/norobots/website-privacy-policy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: IamThermowatt at none against Contact Separator's 2. IamThermowatt also leads on iOS requirement (15.0 vs 17.0). Contact Separator's advantage is update cadence (every 9 days vs every 15 months). On price, ads 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. Contact Separator sells 2 in-app purchases, starting at $0.99 per month. IamThermowatt asks for nothing beyond the download.
IamThermowatt ships an update every 15 months, Contact Separator every 9 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | IamThermowatt | Contact Separator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 15 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 68 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Thermowatt SpA | Lars Herres |
In-app purchases
IamThermowatt
No in-app purchases
Contact Separator
- Monthly Abo$0.991 Month
- Lifetime$5.99
