Comparison

Buzzer vs eSmart Bin

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

Head to head
About

Buzzer

Transform your device into a versatile game night buzzer. Enjoy a large, tactile button with satisfying sound and haptics. Access various modes like soundboards, random decisions, and timers to enhance parties, trivia, and group activities.

Highlights
  • Large tactile 3D buzzer with haptics
  • 16+ loud sound effects
  • Soundboard mode
  • Yes/No random decision mode
  • Game timer and scoreboard
  • Custom sound recording (Pro)
  • Home Screen widget
Features
Read full description

Make quiz night feel like a game. Tap the big red buzzer for an instant sound and haptic feedback, or open Game Host to run a round on one iPhone. BUZZ, THEN PLAY • Choose from 20 bundled sounds, including a wrong-answer buzzer, correct ding, game bell, applause and sirens. • Run timed rounds with team scores and sound cues in Game Host. • Tap the Yes or No button for quick responses. • Record and use your own sounds with Buzzer Pro. Game Host starts free with a 30-second timer and two teams. Buzzer Pro adds longer and custom timers, up to four teams, premium sounds, sound cues and saved setups. Recording your own sounds also requires Pro. Use Buzzer for trivia nights, classroom activities, party rounds, or a quick sound effect. No account is required. Buzzer Pro is an optional auto-renewing subscription. The price, trial and renewal terms are shown before purchase. Manage or cancel subscriptions in your Apple account settings. Privacy Policy: https://green-chips-b04.notion.site/Privacy-Policy-Buzzer-2a663820dc898072837fd9c47c9d65a4 Terms of Use: https://green-chips-b04.notion.site/Terms-of-Use-Buzzer-2a663820dc8980b79ff4e6bc651a756d

About

eSmart Bin

Instantly identify the correct waste bin for any item using AI. Simply snap a photo or type the item's name to receive clear disposal instructions and track your environmental impact.

Highlights
  • AI-powered item identification
  • Photo and text input options
  • Precise bin recommendations
  • Disposal preparation tips
  • Environmental impact tracking
  • Browseable waste guide
Read full description

Scanning now uses smart AI technology, smoothly works on any iPhone or iPad! Not sure which bin? Point, scan, done. eSmart Bin tells you exactly where an item belongs in recycle, compost, e-waste, hazardous, special or general waste in seconds. Snap a photo, or simply type what you're holding, and the app names the item, picks the right bin and tells you how to prepare it: rinse it, flatten it, remove the cap, keep it apart. WHY PEOPLE LOVE IT • One photo, one answer. No scrolling through rule charts. • Works on the go. It works in the kitchen, at the office, on the train — anywhere. • Made for sustainable planet. Clear guidance on wet, dry, hazardous and e-waste segregation, written in plain language. • Multi-Language Support for up to 41 languages, Waste Pick-up Day Reminder Scheduling & more! SCAN YOUR WAY • Capture: Take a photo of the item, get the bin, the reason and disposal tips. • Describe: Don't want to take photo? Type "greasy pizza box" or "old phone charger" and get the same answer. • Guide: A "What Goes Where?" reference you can browse any time. • Fix result: If the AI gets it wrong, tell us in two taps. Every correction helps make it better. SEE YOUR IMPACT • Every correctly sorted item is counted, with an estimated CO₂ saving, on your profile. • Build a streak: plus bonus scans from streaks and sharing. FREE AND FAIR • eSmart Bin is free. A few ads keep it that way — there are no in-app purchases. • Plus bonus scans from streaks, sharing and Ad. GOOD TO KNOW • For users 18 and older. • Needs an internet connection. Your photo or description is sent securely to third-party AI service providers to identify the item. WHY WE BUILT THIS Every item sorted right is one less thing in a landfill, one less thing a sanitation worker has to pull out by hand, one more step toward the streets we want our children to walk on. Sorting waste shouldn't need a rule book — it should take a second. That's eSmart Bin. Small habit. Big difference. Let's make our planet sustainable!

Screenshots

Buzzer4 screens
eSmart Bin4 screens

Verdict

The call

The clearest difference is in-app purchases: eSmart Bin at none against Buzzer's 5. eSmart Bin also leads on review sentiment (100% vs 67%) and rating (5.0 vs 4.5). Buzzer's advantage is ads (none vs shown) and ratings volume (60 vs 5). On price 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. Buzzer sells 5 in-app purchases, starting at $1.99 per 7 days. eSmart Bin asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

eSmart Bin holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Buzzer has 60 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 67% of Buzzer's written reviews are positive against 100% of eSmart Bin's.

UpkeepUpdate frequency

Buzzer ships an update every 3 weeks, eSmart Bin weekly. Both last shipped on November 5, 2026.

Scorecard8 real differences · 2 level
Buzzer versus eSmart Bin: the parameters behind the verdict, then further details
ParameterBuzzereSmart Bin
PriceFreeFree
Rating4.5 (60 ratings)5.0 (5 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings60 — better5
Update frequencyEvery 3 weeksWeekly — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.1 — better
Further details — not scored
Size31 MB76 MB
Age rating4+17+
DeveloperOmari SopromadzeeSmart Bin Global LLP

Customer experience

Buzzer

All ratings59 ratings
Positive88.1%
Neutral5.1%
Negative6.8%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

eSmart Bin

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Buzzer

Subscriptions4
  • Pro Weekly7 Days trial$1.997 Days
  • Pro Weekly$1.997 Days
  • Pro Annual7 Days trial$14.991 Year
Show 1 more
  • Pro Annual$14.991 Year
One-time1
  • Pro Lifetime$29.99
None

eSmart Bin

No in-app purchases

Questions

Is Buzzer free?
Buzzer is free to download, with in-app purchases available.
Is eSmart Bin free?
eSmart Bin is free to download, with no in-app purchases.
Which has better reviews, Buzzer or eSmart Bin?
eSmart Bin is rated higher. Buzzer averages 4.5 out of 5 from 60 ratings, while eSmart Bin averages 5.0 from 5 ratings.
Do Buzzer or eSmart Bin have ads?
eSmart Bin shows ads; Buzzer does not.
Which is updated more often, Buzzer or eSmart Bin?
Buzzer ships an update every 3 weeks, and eSmart Bin weekly. Most recently, Buzzer was updated on November 5, 2026 and eSmart Bin on November 5, 2026.

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