MPF E vs Four Walls
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MPF E
Access scientific research and discoveries from the Max Planck Society in an easy-to-understand e-magazine format. Explore in-depth articles, current reports, and thematic focuses across various scientific disciplines. Available for free on your iPad.
- Free e-magazine access
- In-depth scientific articles
- Thematic focuses
- Short reports
- Multiple scientific disciplines
- iPad compatibility
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Wissenschaft leicht gemacht: Lesen Sie die MaxPlanckForschung, das Wissenschaftsmagazin der MaxPlanckGesellschaft, jetzt kostenlos als E-Magazin auf Ihrem iPad! Das E-Magazin liefert die Geschichte hinter den Geschichten – gründlich recherchiert und verständlich geschrieben. Renommierte Wissenschaftsjournalisten sehen sich in den Instituten der Max-Planck-Gesellschaft um und schauen den Forscherinnen und Forschern über die Schulter. So erfahren Sie aus erster Hand, was die Wissenschaft heute treibt und morgen bewegt. Neben aktuellen Kurzberichten sowie den Rubriken Physik & Astronomie, Biologie & Medizin, Materie & Material, Umwelt & Klima und Kultur & Gesellschaft finden Sie in jeder Ausgabe einen Themenschwerpunkt. Die Beiträge umfassen alle Bereiche der aktuellen Grundlagenforschung – von kosmischen Objekten an den Grenzen von Raum und Zeit über ökologische und soziale Systeme bis hin zu molekularen und atomaren Strukturen, auf denen die unbelebte Welt aufbaut. Das E-Magazin der MaxPlanckForschung erscheint vier Mal jährlich – ebenso wie die englische Übersetzung MaxPlanckResearch. Mit einem Abonnement des neuen E-Magazins haben Sie ab jetzt alle Ausgaben auf Ihrem iPad mit dabei.
Four Walls
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Official audioguide for the special exhibition „Art Within Four Walls. Jewish Families and Their Collections in Leipzig“ in Museum der bildenden Künste Leipzig (30 September 2026–31 January 2027). The audioguide is available in English, German and Einfache Sprache (German Plain Language). The exhibition “Art Within Four Walls. Jewish Families and Their Collections in Leipzig” (30 September 2026–31 January 2027) presents paintings, sculptures, and works on paper from the private collections of eleven Leipzig families. They all had personal ties to the Museum der bildenden Künste (MdbK), were actively involved in cultural associations and clubs, and formed a closely interconnected network united by shared interests. At the beginning of the twentieth century, Leipzig was an economically and culturally prosperous metropolis. Middle-class families played an important role in the city’s vibrant cultural life. They were active in cultural associations, supported Leipzig’s museums and assembled extensive art collections. Under National Socialism, some of these families were classified as Jewish on the basis of the Nuremberg Laws and were persecuted, deprived of their rights, expelled or murdered. The contribution of these families has largely been forgotten to this day. For the first time, the MdbK is honouring the outstanding contribution of Jewish families to the fine arts in Leipzig with an exhibition. The collections of the MdbK comprise photographs, paintings, prints, installations, media works, sculptures, and drawings spanning eight centuries, predominantly from European art history. A particular focus is on twentieth- and twenty-first-century art from Leipzig and its place within an international context. Alongside its permanent exhibitions, which are free to visit, the MdbK presents a diverse programme of temporary exhibitions. Participatory activities, events, and projects encourage interaction and engagement. The MdbK positions itself as an inclusive museum that critically engages with discrimination.
Screenshots
Verdict
MPF E and Four Walls are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.
| Parameter | MPF E | Four Walls |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) — better | — |
| Positive reviews | 92.3% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 8 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 161 MB | 116 MB |
| Age rating | 4+ | 4+ |
| Developer | Max-Planck-Gesellschaft | Museum der Bildenden Kuenste |
In-app purchases
MPF E
No in-app purchases
Four Walls
No in-app purchases









