Z vs IngSoft InterWatt (eIAM)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Z
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Mit dieser APP steuern Sie ihre EIBROM Visualisierung, weltweit.
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.
Screenshots
Verdict
The clearest difference is iOS requirement: Z at 12.0 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.
Z ships an update every 2 weeks, IngSoft InterWatt (eIAM) fortnightly. The most recent releases landed on September 14, 2026 and July 27, 2026 respectively.
| Parameter | Z | IngSoft InterWatt (eIAM) |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 21 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | EIBROM GmbH | IngSoft GmbH |
In-app purchases
Z
No in-app purchases
IngSoft InterWatt (eIAM)
No in-app purchases
Questions
Is Z free?
Is IngSoft InterWatt (eIAM) free?
Do Z or IngSoft InterWatt (eIAM) have ads?
Which is updated more often, Z or IngSoft InterWatt (eIAM)?
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