Nasapp vs TVClock Time
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nasapp
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NASAPP is a sophisticated but easy to use and interpret tool developed by the EURECAT Technology Centre of Catalonia, based in Catalonia, Spain. The NASAPP application is free of charge and has been developed so that anyone can be informed about air quality with data from the nearest automatic remote stations that collect basic information for atmospheric monitoring (gas and particle levels). NASAPP users can also report odour episodes anywhere and anytime. These odour observations create a dynamic map of odour pollution areas, with useful information for public administrations, chemical industries, ports and all kinds of activities in order to find joint solutions that can help mitigate odour pollution. NASAPP provides structured, form-based data collection from individual citizen reports in real time. Each record includes meteorological data for the study area. In addition, these records are the point of origin for statistical studies, air dispersion modelling and back-trajectory modelling towards the source or origin of the odour.
TVClock Time
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The days when you could see test card image on regular bases are far behind us. But if you sometimes feel nostalgic and you want to remember those days this is the best clock for you. Beside feeling nostalgic, TVClock Time saves you when you don't know current time after hours spent on watching movies on AppleTV. Containing all worldwide time zones it fits your time format and current time and you can see time on your home screen.
Screenshots
Verdict
The clearest difference is price: Nasapp at Free against TVClock Time's $0.99. Nasapp also leads on update cadence (every 5 months vs every 20 months). TVClock Time's advantage is iOS requirement (9.0 vs 11.0). On 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
Nasapp is free to download; TVClock Time costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Nasapp ships an update every 5 months, TVClock Time every 20 months. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.
| Parameter | Nasapp | TVClock Time |
|---|---|---|
| Price | Free — better | $0.99 |
| Update frequency | Every 5 months — better | Every 20 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | Apple TV |
| Requires iOS | 11.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | FUNDACIO PRIVADA CENTRE TECNOLOGIC DE LA QUIMICA DE CATALUNYA | Josip Bernat |
In-app purchases
Nasapp
No in-app purchases
TVClock Time
No in-app purchases





