Comparison

IngSoft InterWatt (eIAM) vs RETTERAlarm NAVIS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

IngSoft InterWatt (eIAM)

Features
Read full description

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.

About

RETTERAlarm NAVIS

Features
Read full description

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 Consent is voluntary and can be withdrawn at any time.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

IngSoft InterWatt (eIAM)4 screens
RETTERAlarm NAVIS4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 5 level
IngSoft InterWatt (eIAM) versus RETTERAlarm NAVIS: the parameters behind the verdict, then further details
ParameterIngSoft InterWatt (eIAM)RETTERAlarm NAVIS
PriceFreeFree
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size51 MB61 MB
Age rating4+17+
DeveloperIngSoft GmbHSascha Radermacher

In-app purchases

None

IngSoft InterWatt (eIAM)

No in-app purchases

None

RETTERAlarm NAVIS

No in-app purchases

Questions

Is IngSoft InterWatt (eIAM) free?
IngSoft InterWatt (eIAM) is free to download, with no in-app purchases.
Is RETTERAlarm NAVIS free?
RETTERAlarm NAVIS is free to download, with no in-app purchases.
Do IngSoft InterWatt (eIAM) or RETTERAlarm NAVIS have ads?
Neither IngSoft InterWatt (eIAM) nor RETTERAlarm NAVIS shows ads.
Which is updated more often, IngSoft InterWatt (eIAM) or RETTERAlarm NAVIS?
IngSoft InterWatt (eIAM) ships an update fortnightly, and RETTERAlarm NAVIS every 3 weeks. Most recently, IngSoft InterWatt (eIAM) was updated on October 30, 2026 and RETTERAlarm NAVIS on October 31, 2026.

Other comparisons