Comparison

MAXXI guide vs PDE

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

Head to head
About

MAXXI guide

Features
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MAXXI, the National Museum of 21st Century Arts, is offering a series of audio-guided tours to discover the history of the museum, designed by the Anglo-Iranian architect Zaha Hadid, learn about the permanent Collection and explore the contents of the temporary exhibitions. A series of dynamic and engaging tours with narration to aid navigation through the museum’s galleries and discover the works of artists, architects, photographers and designers.

About

PDE

Features
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The app for the Driving Energy Award – Contemporary Photography, promoted by Terna SpA PDE is the app for the Driving Energy Award – Contemporary Photography, the third edition of the free competition set up by Terna to promote cultural development in Italy. You can use PDE to view the entries of the 40 finalists in the 2024 competition and to discover “Petra, 1993”, Mimmo Jodice’s never-before-seen work for the Driving Energy Award. Moreover, the app offers access to original content about the finalists and – thanks to Augmented Reality – lets you see the works entered for the 2024 edition anywhere. Starting this year, it is also possible to check out the work of the 2022 and 2023 finalists.

Screenshots

MAXXI guide4 screens
PDE3 screens

Verdict

The call

The clearest difference is update cadence: MAXXI guide at every 4 months against PDE's every 12 months. MAXXI guide also leads on iOS requirement (9.0 vs 13.0). 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

MAXXI guide ships an update every 4 months, PDE every 12 months. The most recent releases landed on September 19, 2026 and September 25, 2026 respectively.

Scorecard2 real differences · 4 level
MAXXI guide versus PDE: the parameters behind the verdict, then further details
ParameterMAXXI guidePDE
PriceFreeFree
Update frequencyEvery 4 months — betterEvery 12 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size52 MB313 MB
Age rating4+4+
DeveloperOPHRYS SystèmesTERNA RETE ITALIA SPA

In-app purchases

None

MAXXI guide

No in-app purchases

None

PDE

No in-app purchases

Questions

Is MAXXI guide free?
MAXXI guide is free to download, with no in-app purchases.
Is PDE free?
PDE is free to download, with no in-app purchases.
Do MAXXI guide or PDE have ads?
Neither MAXXI guide nor PDE shows ads.
Which is updated more often, MAXXI guide or PDE?
MAXXI guide ships an update every 4 months, and PDE every 12 months. Most recently, MAXXI guide was updated on September 19, 2026 and PDE on September 25, 2026.

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