OOP Zone vs Halff
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OOP Zone
This app allows event organizers and venue managers to set rules for smartphone usage, restricting access to certain apps and features. It aims to foster presence and reduce digital distractions in shared spaces and during events.
- Define common smartphone usage rules
- Restrict social media and addictive apps
- Allow essential functions like calls and SMS
- QR code activation and deactivation
- Timer for disconnection periods
- PIN code exit option
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Imaginez un monde où, quand on est ensemble, on est vraiment ensemble. OOP permet aux organisateurs d'événements et aux gestionnaires de lieux de définir et imposer des règles d'usage communes aux utilisateurs de smartphone. Établissements scolaires, concerts, musées, restaurants, comex ou vacances entre amis, il est plein d'endroits et de moments où nous gagnerions à être plus présents et moins accrochés à cet objet devenu ... omniprésent. Quand vous entrez dans une OOP zone, votre téléphone se plie au cadre établi par ceux qui vous accueillent. Ils peuvent ainsi choisir de restreindre l'accès aux réseaux sociaux, à la caméra et aux app addictives mais laisser actifs les appels téléphoniques, les SMS et les app des santé. Chaque lieu, chaque événement, proposera ainsi une expérience déconnectée à son image et, par sa dimension collective, la pause numérique sera plus simple à adopter et à vivre pour tous. L'app s'active à l'entrée du lieu par en scannant un QR Code, ou bien en recherchant parmi la liste des OOP zones existantes. Sur l'écran, un minuteur indique le temps prévu de déconnexion, correspondant à la durée de l'événement, et laisse accessibles les fonctionnalités autorisées. Le smartphone retrouve toutes ses fonctionnalités au bout du temps convenu (à la fin du concert, de sa journée de cours ou de la réunion par exemple). Possibilité de sortir de la OOP Zone à tout moment en scannant un QR Code placé à la sortie du lieu, ou bien avec un code PIN.
Halff
This app helps you track how you spend your time by prompting you every 30 minutes to categorize your activities as valuable or a waste. It provides daily, weekly, and monthly reports to visualize your time usage and identify trends.
- Categorize half-hour time slots
- Customizable value/waste categories
- Daily, weekly, and monthly reports
- Reminder window customization
- Sync with web and Mac dashboard
- Ad-free experience
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Halff is the honest audit of your day. Your day is 48 half hours. Every 30 minutes, Halff asks what you just did. One tap: it paid you back, or it cost you. No timer to start, nothing to stop. By evening you know where your hours went: a score out of 100, your productive hours, your wasted hours, and what ate your day. WHAT YOU GET • A reminder every 30 minutes, only between the two hours you choose. Never at night. • One tap to score, with your own categories: deep work, content, prospecting, meetings, sport, sleep, and the ones that cost you. • A daily score out of 100, built from four parts: value ratio, volume, completion, streak. • The streak: one scored half hour a day keeps it going. • Your last 30 days, your week and your month, your typical day, your focus blocks, your records. • 18 widgets, three of them on the lock screen. • Sleep read automatically from Apple Health. • Halff for Mac: a light under the notch that asks every half hour. Same account, always in sync. • A discipline report every 30 days. Halff doesn't block anything. It shows you the truth of your day, half hour by half hour. That's enough to change it. Free trial available. Subscription billed through your Apple account, cancel anytime in your settings. Terms: https://halff.io/cgu.html Privacy: https://halff.io/confidentialite.html
Screenshots
Verdict
The clearest difference is monetization model: OOP Zone at free against Halff's subscription. Halff's advantage is update cadence (every 5 days vs every 2 weeks). On review sentiment, 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
OOP Zone ships an update every 2 weeks, Halff every 5 days. Both last shipped on October 11, 2026.
| Parameter | OOP Zone | Halff |
|---|---|---|
| Price | — | Free — better |
| Rating | 3.1 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 8 — better | — |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Subscription |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 21 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | OOP (Mobile) | UGO STEFANO DI SARIO MULLER |
Customer experience
OOP Zone
Halff
In-app purchases
OOP Zone
No in-app purchases
Halff
No in-app purchases









