die Uhr (for tutor) vs SolarPotenzialAR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
die Uhr (for tutor)
This educational app aids in learning German by focusing on traditional time descriptions, traffic directions, and the location of objects. It's designed to supplement classroom learning and tutoring sessions.
- German time descriptions
- Traffic direction learning
- Object location vocabulary
- Tutoring support
- Classroom learning aid
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This app helps the learning of German class or tutoring in the traditional time descriptions, traffic direction descriptions, and location of things.
SolarPotenzialAR
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SolarPotenzialAR – Experience Your Solar Potential in Augmented Reality! With SolarPotenzialAR, you can realistically visualize facade and rooftop photovoltaic systems directly on your home using Augmented Reality (AR). Instantly calculate the potential annual solar energy yield – anywhere in Europe. Key Features at a Glance: - Facade AR Visualization: Draw your own PV panels on your building’s facade and view a precise real-time AR visualization. - Solar Yield Calculator: Estimate the annual electricity production potential of your custom-placed PV panels in seconds. - Rooftop PV in Satellite View: Use the intuitive map view to identify the best positions for solar panels on your roof. - Rooftop Potential Estimator: Find out how much solar energy your roof could generate annually – based on real-world geospatial data. - Europe-Wide Availability: Use SolarPotenzialAR flexibly in many locations thanks to extensive coverage across numerous European countries.
Screenshots
Verdict
The clearest difference is update cadence: die Uhr (for tutor) at every 5 weeks against SolarPotenzialAR's every 3 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
die Uhr (for tutor) ships an update every 5 weeks, SolarPotenzialAR every 3 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | die Uhr (for tutor) | SolarPotenzialAR |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 72 MB | 147 MB |
| Age rating | 4+ | 4+ |
| Developer | Chih-Jeng Teng | Frank Fuchs-Kittowski |
In-app purchases
die Uhr (for tutor)
No in-app purchases
SolarPotenzialAR
No in-app purchases
Questions
Is die Uhr (for tutor) free?
Is SolarPotenzialAR free?
Do die Uhr (for tutor) or SolarPotenzialAR have ads?
Which is updated more often, die Uhr (for tutor) or SolarPotenzialAR?
Other comparisons
