Comparison

ZotBins vs Krumbit

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

Head to head
About

ZotBins

This app helps users learn about proper waste disposal and improve recycling habits through gamified challenges and educational quizzes. Users can scan waste items, compete on leaderboards, and track their environmental impact.

Highlights
  • Camera scanner for waste item classification
  • Points system for correct disposal
  • Campus-wide and friend leaderboards
  • Sustainability quizzes
  • Waste diversion data tracking
  • Rewards and benefits for users
Features
Read full description

About ZotBins ZotBins are smart waste bins that educate UCI students (and beyond!) about where their waste goes. Our goal is to combat incorrect disposal of waste and increase waste diversion rates by creating a technology-based zero-waste management system. By collecting and analyzing data on waste diversion rates, we aim to enhance the campus-wide waste management practices currently in place. Features Camera Scanner Use the in-app scanner to classify your waste items before you throw them away. Every scan earns you points—reinforcing good waste diversion practices. Leaderboard Competition Turn sustainability into a game! Compete on daily and weekly leaderboards campus-wide, or keep it low-key with friends. Remain the sustainability sovereign for a chance at rewards and benefits. Quiz & Learning Want to learn more about sustainability? Our quiz feature tests you on environmental trivia to help you become an environmentally-conscious pro! Why ZotBins? - Educate yourself and your peers on correct waste disposal - Earn points and rewards for responsible behavior - Track and improve your impact with data-driven insights - Connect with a community committed to zero-waste living Join the movement—download ZotBins today and start turning every throwaway into a teachable moment!

About

Krumbit

This app transforms your scrolling time into learning opportunities. Watch short video lessons on various topics and test your knowledge with quick quizzes. Build a daily habit of continuous learning in just minutes a day.

Highlights
  • Bite-sized video lessons
  • Quick quizzes
  • Daily streak tracking
  • Progress monitoring
  • Explore diverse topics
  • In-app feedback
Features
Read full description

Learn something useful every time you scroll. Krumbit is a microlearning app that turns short-form scrolling into short-form learning. Watch quick video lessons on science, health, history, and everyday facts, then take a fast quiz to lock in what you just learned. Built for people who love the pace of short videos but want something smarter, Krumbit helps you build a better habit without giving up the format you already enjoy. Whether you are on your commute, taking a quick break, or winding down at night, you can make real progress in minutes. What you can do in Krumbit: Watch bite-sized video lessons Take quick quizzes after each lesson Build a daily streak and track your progress Explore science, health, history, and everyday facts Send feedback directly in the app and help shape the product Krumbit makes scrolling feel productive: fast, visual, and actually useful. Download Krumbit and turn your scrolling habit into a learning habit.

Screenshots

ZotBins4 screens
Krumbit4 screens

Verdict

The call

The clearest difference is rating: ZotBins at 5.0 against Krumbit's 4.5. ZotBins also leads on update cadence (every 2 days vs weekly) and iOS requirement (13.4 vs 15.1). On price, review sentiment, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ZotBins holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 8 and 15 respectively. Written reviews point the same way: 100% of ZotBins's written reviews are positive against 94% of Krumbit's.

UpkeepUpdate frequency

ZotBins ships an update every 2 days, Krumbit weekly. The most recent releases landed on June 4, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 7 level
ZotBins versus Krumbit: the parameters behind the verdict, then further details
ParameterZotBinsKrumbit
PriceFreeFree
Rating5.0 (8 ratings) — better4.5 (15 ratings)
Positive reviews100.0% of reviews — better93.8% of reviews
Number of ratings815 — better
Update frequencyEvery 2 days — betterWeekly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.4 — better15.1
Further details — not scored
Size68 MB56 MB
Age rating4+12+
DeveloperHeat Studio LLCBoqiang Liang

Customer experience

ZotBins

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Krumbit

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews16 reviews
Positive93.8%
Neutral0.0%
Negative6.3%

In-app purchases

None

ZotBins

No in-app purchases

None

Krumbit

No in-app purchases

Questions

Is ZotBins free?
ZotBins is free to download, with no in-app purchases.
Is Krumbit free?
Krumbit is free to download, with no in-app purchases.
Which has better reviews, ZotBins or Krumbit?
ZotBins is rated higher. ZotBins averages 5.0 out of 5 from 8 ratings, while Krumbit averages 4.5 from 15 ratings.
Do ZotBins or Krumbit have ads?
Neither ZotBins nor Krumbit shows ads.
Which is updated more often, ZotBins or Krumbit?
ZotBins ships an update every 2 days, and Krumbit weekly. Most recently, ZotBins was updated on June 4, 2026 and Krumbit on September 16, 2026.

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