IngSoft InterWatt (eIAM) vs RETTERAlarm NAVIS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IngSoft InterWatt (eIAM)
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With the IngSoft InterWatt Mobile App, you have access to your reading lists anytime and anywhere and can fill them out directly at your meter offline. As soon as you are online again, you can complete the measurement and send it to your IngSoft Cloud.
RETTERAlarm NAVIS
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RETTERAlarm Navis is the dedicated in‑vehicle app of the RETTERAlarm platform. It brings alarm details, turn‑by‑turn navigation and – with user consent – live vehicle tracking to support incident coordination. The app is available only to registered organizations (login required). Key features Alarm list & details with quick respond (Yes/No) and refreshed overviews. Navigation to the incident location directly from the alarm—ideal for tablets/phones mounted in vehicles. Opt‑in vehicle tracking: share location to coordinate resources in real time on Monitor/Web; tracking is disabled by default at first login. Vehicle status display/update to keep command aware of current conditions; system‑wide status handling included. Hydrants & weather information. Privacy & security Location access is used exclusively for operational coordination—never for advertising or external analytics. Consent is voluntary and can be withdrawn at any time. Organizations may disable screenshots to protect sensitive information. Requirements Active RETTERAlarm tenant and administrator‑issued account; not intended for private use.
Screenshots
Verdict
The clearest difference is iOS requirement: RETTERAlarm NAVIS at 13.0 against IngSoft InterWatt (eIAM)'s 15.6. 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.
IngSoft InterWatt (eIAM) ships an update fortnightly, RETTERAlarm NAVIS every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | IngSoft InterWatt (eIAM) | RETTERAlarm NAVIS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 51 MB | 61 MB |
| Age rating | 4+ | 17+ |
| Developer | IngSoft GmbH | Sascha Radermacher |
In-app purchases
IngSoft InterWatt (eIAM)
No in-app purchases
RETTERAlarm NAVIS
No in-app purchases
Questions
Is IngSoft InterWatt (eIAM) free?
Is RETTERAlarm NAVIS free?
Do IngSoft InterWatt (eIAM) or RETTERAlarm NAVIS have ads?
Which is updated more often, IngSoft InterWatt (eIAM) or RETTERAlarm NAVIS?
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