Synlab Events vs Join OPPA
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Synlab Events
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Synlab Events is an app for event attendees and event organizers of event management platform Happenee. It helps visitors find all important information like the Program of their happenings, allows to communicate with organizers, vote in realtime, find the way to your events, and other important details about the happening. It also keeps you always up to date about the event. ABOUT HAPPENEE Our mission at Happenee is to make organizing and attending events a breeze. We're a growing event management platform used by many of the largest companies in Czech Republic and Central Europe. More information at https://www.happenee.com
Join OPPA
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OPPA connects micro-influencers with brand campaigns โ and pays you for every view your content gets. How it works: 1. Sign up and complete your profile with your TikTok and Instagram. 2. Browse campaigns from brands and apply to the ones that fit your style. 3. Once the brand accepts you, confirm the campaign rules โ some campaigns send you a package with the product. 4. Record your video and send it to the brand for approval before you post. 5. Publish it and add the links: TikTok, Instagram, Facebook and YouTube โ one film, every platform. 6. Earn for every view. The more videos you publish, the higher your rate. What you get: โข A campaign workspace that shows your next step, your progress and every video in one place โข Clear earnings โ see what each video earned and request a payout in the app โข Rate tiers that reward you for publishing more, also for videos you already posted โข Notifications when your application, video or payout moves forward, in your app's language โข Feedback from the brand right in the app if a video needs changes OPPA runs on a fair pay-per-view model: you earn in proportion to your reach. No hidden fees. Join OPPA and start earning from your community.
Screenshots
Verdict
The clearest difference is update cadence: Synlab Events at every 5 days against Join OPPA's fortnightly. Join OPPA's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Synlab Events ships an update every 5 days, Join OPPA fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Synlab Events | Join OPPA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days โ better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 15.1 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 43 MB | 37 MB |
| Age rating | 4+ | 17+ |
| Developer | Happenee s.r.o. | OPPA MARKETPLACE SP Z O O |
In-app purchases
Synlab Events
No in-app purchases
Join OPPA
No in-app purchases








