Comparison

KRUU vs 24H Challenge

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

Head to head
About

KRUU

Capture and relive your special moments with this app. Discover, download, and interact with photos from your event, including those from a dedicated photo booth. Keep your memories organized and accessible for months.

Highlights
  • Discover and download event photos
  • Like and comment on photos
  • Automatic KRUU Photo Booth transfer
  • Online photo storage
  • Manage event participants
  • Create and join events
Read full description

With the KRUU App, the best moments from your celebration stay in one place. Easily discover, download, like, and comment on your photos in a shared gallery. The pictures from your KRUU Photo Booth are also automatically transferred to the app after your approval. New: With the Audio Guestbook, you can listen to your guests’ voicemails again at any time. This way, not only pictures stay with you, but also personal words, lovely wishes, and funny messages. WHAT THE KRUU APP OFFERS YOU: Shared photo gallery: Collect the best photos from your event in a clear feed and share them with family, friends, and guests. KRUU Photo Booth pictures included: Your photo booth pictures are transferred to the app free of charge and can be viewed, downloaded, and shared there. Audio Guestbook: Listen to your guests’ voicemails again and again, even after the celebration. Likes & comments: Interact with your favorite pictures and relive the best moments together. Easy admin area: Manage your event and decide who you share your memories with. Free to use: The KRUU App is free and contains no in-app purchases. HOW IT WORKS: Download the KRUU App and join an event or create a new one. Invite guests, collect your photos in one place, and discover all pictures in the app after the upload. There, you can like, comment, and download them. WHY KEEP THE APP? With the KRUU App, your pictures and voicemails are always within reach, even after the celebration. You do not have to search through your entire phone and can view or listen to your shared memories again at any time. You can also use the app for future celebrations with a KRUU Photo Booth. DATA PROTECTION Your photos are only visible to you and your invited guests. They are protected according to high data protection standards and stored on German servers. WHO IS KRUU? Since 2016, more than 300,000 photo booth customers have trusted KRUU. We are Europe’s market leader in photo booth rentals and work with over 70 team members in Bad Friedrichshall near Heilbronn, Germany. Do you have questions or feedback? Feel free to contact us at support@kruu.com

About

24H Challenge

Features
Read full description

24H Challenge, c’est le défi photo à faire entre amis : pendant 24 heures, vous postez 1 photo par heure dans un groupe privé, et à la fin… vous récupérez un montage souvenir de toute votre journée. Le concept Crée un groupe privé Invite tes amis avec un code (groupe de 2 à 8 personnes) Pendant 24h : ajoute tes photos chaque heure Regarde ce que font les autres en direct À la fin : un montage final est disponible en visualisation et téléchargement Ajoute tes photos comme tu veux Depuis la caméra (instantané) Ou depuis ta photothèque Simple, rapide, en petit comité Ici pas de réseaux publics, pas de followers : juste ton groupe, vos souvenirs, et un défi fun à faire en soirée, en week-end, en vacances ou pendant un événement. Pourquoi tu vas kiffer Ultra simple à lancer Moments naturels + souvenirs stylés Montage final parfait à garder ou partager Télécharge 24H Challenge et lance ton prochain challenge avec tes potes.

Screenshots

KRUU4 screens
24H Challenge4 screens

Verdict

The call

The clearest difference is in-app purchases: KRUU at none against 24H Challenge's 2. KRUU also leads on chart position (#142 vs unranked) and device support (3 vs 1). 24H Challenge's advantage is update cadence (every 5 days vs every 3 weeks). On price and ads 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. 24H Challenge sells 2 one-off in-app purchases. KRUU asks for nothing beyond the download.

UpkeepUpdate frequency

KRUU ships an update every 3 weeks, 24H Challenge every 5 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 6 level
KRUU versus 24H Challenge: the parameters behind the verdict, then further details
ParameterKRUU24H Challenge
PriceFreeFree
Rating4.9 (2.1K ratings) — better—
Positive reviews64.8% of reviews—
Number of ratings2.1K — better—
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
Best chart rank#142 — better—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.5 — better17.6
Further details — not scored
Size60 MB16 MB
Age rating12+17+
DeveloperKRUU GmbH,JULES GERMAIN ROGER MARTIN

Bugs and requests

KRUU

Reported bugs

3 issues
  • Printer malfunctions and errors
  • Connectivity issues with WiFi networks
  • App crashes and freezes

Requested features

4 requests
  • Ability to download all photos at once
  • Web-based photo viewing option
  • Improved app usability and navigation
  • Better integration with existing accounts

24H Challenge

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

KRUU

No in-app purchases

2 purchases

24H Challenge

One-time2
  • Téléchargement vidéo$3.99
  • Téléchargement illimité de vidéos$11.99

Questions

Is KRUU free?
KRUU is free to download, with no in-app purchases.
Is 24H Challenge free?
24H Challenge is free to download, with in-app purchases available.
Do KRUU or 24H Challenge have ads?
Neither KRUU nor 24H Challenge shows ads.
Which is updated more often, KRUU or 24H Challenge?
KRUU ships an update every 3 weeks, and 24H Challenge every 5 days. Most recently, KRUU was updated on November 7, 2026 and 24H Challenge on October 31, 2026.

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