Marnoba vs ActuEight
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Marnoba
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MARNOBA is a mobile application which allows citizens and entities to send information about marine litter that is being found on their coasts and seas. This app is designed as a field notebook, it avoid carrying paper during the monitoring and helps collecting, saving and sending the obtained information about it (categories, objects and quantities) to a online free viewer on the internet leaving access for any interested person (scientist, technicians or citizens).
ActuEight
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8 personas y 8 retos para cambiar silenciosamente el mundo. Esta aplicación es una app de consumo consciente diseñada desde nuestra vida ajetreada y pensada desde el funcionamiento de nuestro cerebro. Podrás elegir entre +70 acciones distribuidas en 6 áreas: Hogar, Tecnología, Moda, Finanzas, Transporte y Energía /agua. Elegirás retos según tu gusto y tu momento actual. Así que olvídate de la vergüenza o la culpa. Todos los retos valen igual porque cada persona escogerá aquellos que le supongan un paso adelante, que sean alcanzables y que no les martirice. Y, por supuesto, los unirás con aquellas causas que más os importan a cada persona. Creamos zonas seguras para que cambies sin sentirte culpable. En grupos de 8 personas "imperfectas" en el que os respetaréis vuestros caminos y valores. Para asegurarnos de que nadie se queda atrás, no hay puntos ni rankings. Nadie lo hace mejor ni peor. Os apoyáis para trazar vuestro camino y cambiar el chip poco a poco. ¿Quieres cambiar silenciosamente el mundo?
Screenshots
Verdict
Marnoba and ActuEight are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Marnoba ships an update every 5 weeks, ActuEight every 2 months. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.
| Parameter | Marnoba | ActuEight |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 65 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | ASOC VERTIDOS CERO PARA LA PREVENCION MINIMIZACION Y ELIMINACION DE LOS VERTIDOS | SINNPLE CONSULTORES E INNOVACION SOCIAL SL |
In-app purchases
Marnoba
No in-app purchases
ActuEight
No in-app purchases









