Olyns vs Poster Buzz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Olyns
This app facilitates recycling by connecting users to a network of bottle boxes. Users can find nearby recycling locations, deposit beverage containers, and earn cash rewards redeemable via PayPal. It aims to make recycling convenient and rewarding while contributing to environmental sustainability.
- Find nearby recycling locations
- Deposit beverage containers
- Earn cash rewards
- Save Olyns card to phone wallet
- Touchless check-in via phone
- Cash out via PayPal
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Olyns is Rethinking Recycling. Our growing network of bottle boxes makes it easy and fun to recycle beverage containers for cash. Here’s how it works: 1. Download the Olyns App. 2. Create an account and save an Olyns card to your phone's Wallet. 3. Find the nearest Olyns Cube on our map. 4. Hold your phone below the Recycle Ring on the Olyns Cube for touchless check in. 5. Deposit your empty CRV containers into the Olyns Cube. 6. Earn cash for every eligible container. 7. Cash Out your balance anytime through PayPal. 8. Celebrate - you just did your part to help the planet
Poster Buzz
Capture flyers with your camera, and this app extracts event details like time, location, and description. It organizes information from multiple events on a single poster and allows you to add them to your calendar. Discover local happenings, community notices, and more, with options to save, comment, and get notifications.
- Scan flyers with camera
- Extract event details automatically
- Organize multiple events from one poster
- Add events to calendar
- Browse local posters and events
- Filter events by interest and distance
- Comment and vote on posts
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Never lose a flyer in your camera roll again. Snap a poster and Poster Buzz reads it for you: what it is, when, where, and how to get there. Poster Buzz even fills in the blanks. Busy flyer with ten events on it? You get every one, with times and places, laid out like a schedule. Add any of it to your calendar in one tap. SEE WHAT'S HAPPENING AROUND YOU • Browse posters your neighbors spotted, in a list, by day, or on a map • Find concerts, shows, markets, classes and kids' events this weekend • Housing, help wanted, lost pets, things for sale: every useful flyer, not just events • Local venue and community calendars, mixed in • Filter by what you're into and how far you'll go JOIN IN • Vote and comment on posts • Save the ones you care about • Get notified when something new turns up nearby • See how many people your posters reached Made in Oakland, California.
Screenshots
Verdict
The clearest difference is rating: Poster Buzz at 5.0 against Olyns's 3.5. Poster Buzz also leads on update cadence (daily vs every 5 weeks). Olyns's advantage is ratings volume (465 vs 3) and iOS requirement (12.4 vs 18.0). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Poster Buzz holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Olyns has 465 ratings behind it against 3, so its average is the more settled of the two.
Olyns ships an update every 5 weeks, Poster Buzz daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Olyns | Poster Buzz |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (465 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 20.6% of reviews | — |
| Number of ratings | 465 — better | 3 |
| Update frequency | Every 5 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 37 MB | 23 MB |
| Age rating | 4+ | 17+ |
| Developer | Olyns Inc | Whistling Software LLC |
Customer experience
Olyns
Poster Buzz
Bugs and requests
Olyns
Reported bugs
3 issues- Login/account verification issues
- Inconsistent container recognition
- Machines freezing/malfunctioning
Requested features
4 requests- Ability to favorite/track specific machine locations
- Real-time machine status updates
- Increase glass bottle capacity
- Expand operating hours
Poster Buzz
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Olyns
No in-app purchases
Poster Buzz
No in-app purchases
