Comparison

GreWi vs Nau TechTrends

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

Head to head

GreWi

Free

📡 News

★ 5.02 ratingsView app →

About

GreWi

Stay updated daily with professionally curated news on anomalies, fringe science, and the paranormal. Explore topics like UFOs, extraterrestrial life, archaeology, and cryptozoology with expert interviews and an interactive map of related locations.

Highlights

Daily updated news
Anomalistics and fringe science
Paranormal phenomena coverage
Expert interviews
Interactive map of related locations
Social network integration

Features

Read full description

Täglich aktuelle Nachrichten aus Anomalistik, Grenz- und Parawissenschaft Grenzwissenschaft-Aktuell.de liefert täglich professionell aufgearbeitete und erstellte tagesaktuelle Nachrichten und Informationen rund um die Grenzgebiete von Wissenschaft und Forschung, über Anomalistik, grenzwissenschaftliche Phänomene und das Paranormale. Seriöse Informationen und Experteninterview rund um UFOs, Außerirdisches Leben, Space & Raumfahrt, Archäologie, Spuk & Geister, PSI, Religion & Glaube, Kornkreise, Disclosure, Kryptozoologie, Natur & Umwelt, Sagen & Legenden, Sonstige Phänomene u.v.m. Die GreWi-App liefert Ihnen täglich aktuelle Nachrichten, verbindet Sie direkt mit den GreWi-Gruppen in Ihren sozialen Netzwerken und liefert Ihnen eine interaktive Online-Karte mit Orten, Einrichtungen und Reisezielen mit Bezügen zu den Themen von Grenzwissenschaft-Aktuell.

About

Nau TechTrends

Features

Read full description

Ihr kompakter Guide für Gadgets, Apps, Technologietrends und KI. Bleiben Sie up-to-date mit den neuesten Entwicklungen in der Tech-Welt.

Screenshots

GreWi4 screens

Nau TechTrends4 screens

Verdict

The call

The clearest difference is update cadence: Nau TechTrends at monthly against GreWi's every 22 months. Nau TechTrends also leads on iOS requirement (15.0 vs 17.0). 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

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

GreWi ships an update every 22 months, Nau TechTrends monthly. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

Scorecard2 real differences · 7 level

GreWi versus Nau TechTrends: the parameters behind the verdict, then further details
Parameter	GreWi	Nau TechTrends
Price	Free	Free
Rating	5.0 (2 ratings) — better	—
Number of ratings	2 — better	—
Update frequency	Every 22 months	Monthly — better
Ads	Yes	Yes
In-app purchases	No	No
Monetization	Ad-supported	—
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	17.0	15.0 — better
Further details — not scored
Size	55 MB	33 MB
Age rating	17+	4+
Developer	Andreas Mueller	Nau Media AG

In-app purchases

None

GreWi

No in-app purchases

None

Nau TechTrends

No in-app purchases

Questions

Is GreWi free?

GreWi is free to download, with no in-app purchases.

Is Nau TechTrends free?

Nau TechTrends is free to download, with no in-app purchases.

Do GreWi or Nau TechTrends have ads?

Both GreWi and Nau TechTrends show ads.

Which is updated more often, GreWi or Nau TechTrends?

GreWi ships an update every 22 months, and Nau TechTrends monthly. Most recently, GreWi was updated on October 26, 2026 and Nau TechTrends on October 23, 2026.