Comparison

Krumbit vs NerdSip

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

Head to head
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.

About

NerdSip

This app transforms your curiosity into bite-sized learning experiences. Get instant micro-courses on any topic, complete with visuals and summaries. Learn something new in just a few minutes, perfect for busy schedules.

Highlights
  • AI-generated micro-courses
  • Customizable podcast mode
  • Visual summaries and infographics
  • Save and share course content
  • Real-time lesson generation
  • Learn on-the-go
Features
Read full description

Pick anything you were ever curious about. Swipe through the topics. Five minutes later, you know it. NerdSip turns any topic into a short, fact-checked course, with lots of images, interactive quizzes, loot, XP and a summary info graphic card you can keep. HOW IT WORKS 1. Tell it what you want to know. "How black holes form." "Why my sourdough keeps failing." "Cold War espionage." "The psychology behind pricing." The engine researches it and hands back a finished course in about a minute. 2. Or just swipe. Discover works like a dating app for courses. Right on what grabs you, left on what does not. Behind the deck, a ranking engine weighs your interests, what other learners upvoted, and what is trending right now. 3. Finish it before your coffee goes cold. Three, five or ten lessons, roughly a minute of reading each. Every lesson ends with a quick challenge: fill the gap, fix the mistake, put it in order or match the pairs. Every answer explains why. Recalling something beats re-reading it. THE SAME SWIPE, A BETTER RESIDUE You are going to pick up your phone tonight. That part is already decided. The only open question is whether you put it back down with anything in your hands. Same gesture. Same five minutes. Except this time you come away with something you can actually say out loud tomorrow. And because the deck keeps handing you subjects you would never have thought to search for, your general knowledge widens as a side effect. You slowly become the person at the table who somehow knows a little about everything. WHAT YOU GET Courses on absolutely anything. Niche hobbies, hard science, awkward history, that thing your colleague mentioned while you nodded along. Podcast mode. Every course reads itself aloud in a real voice, at whatever speed suits you. Learn on the train, in the gym, on the walk to work, while the pasta boils. Preparing for an exam? Generate a course on the exact topic and listen to it on your run. Fact-checking that is a pipeline, not a promise. Courses are written against live sources, then scored for accuracy. Anything that fails doesn't reach your deck. Anything that slips through is one tap away from a human who reads it. A summary infographic at the end of every course. Save it to your camera roll. Send it to whoever needs impressing. Review rounds. Reading something once is entertainment. NerdSip writes you a fresh review course out of what you actually finished, oldest material first, so it sticks. That is spaced repetition, done properly. You set the depth. Novice to expert. The writing moves with you. XP, levels, loot drops and weekly leagues, for the part of you that likes watching a number go up. WHO THIS IS FOR People who read four Wikipedia pages at 1am and regret nothing. People trading the doomscroll for something that pays them back. People who want to be better company at dinner. People with six minutes before the next meeting and no interest in anybody's 47-hour masterclass. You should not have to block out an afternoon to get smarter. You need five minutes and a question. Built by a Northern German Startup, by us, Max and Philip. Got feedback? Go to Settings > Message to Max and Philip. We reply personally. Know stuff nobody else does. MEMBERSHIP Start free with one course a day. NerdSip Gold unlocks course generation on any topic, podcast mode, review rounds and more courses per day, and start with a 7-day free trial. No payment required for the trial period, cancel anytime. Monthly and yearly plans available, with the price shown in the app before you confirm. Payment is charged to your Apple Account. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel yours anytime in your Apple Account settings. Terms of Use (EULA): https://nerdsip.com/terms Privacy Policy: https://nerdsip.com/privacy

Screenshots

Krumbit4 screens
NerdSip4 screens

Verdict

The call

The clearest difference is in-app purchases: Krumbit at none against NerdSip's 6. Krumbit also leads on review sentiment (94% vs 67%). NerdSip's advantage is rating (4.8 vs 4.5) and ratings volume (119 vs 15). On price, update cadence, ads 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. NerdSip sells 6 in-app purchases, starting at $3.99 per month. Krumbit asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

NerdSip holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: NerdSip has 119 ratings behind it against 15, so its average is the more settled of the two. Written reviews complicate that: 94% of Krumbit's written reviews are positive against 67% of NerdSip's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
Krumbit versus NerdSip: the parameters behind the verdict, then further details
ParameterKrumbitNerdSip
PriceFreeFree
Rating4.5 (15 ratings)4.8 (119 ratings) — better
Positive reviews93.8% of reviews — better66.7% of reviews
Number of ratings15119 — better
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size56 MB79 MB
Age rating12+12+
DeveloperBoqiang Liangai51 UG (haftungsbeschränkt)

Customer experience

Krumbit

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

NerdSip

All ratings119 ratings
Positive94.1%
Neutral0.8%
Negative5.0%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Krumbit

No in-app purchases

6 purchases

NerdSip

Subscriptions6
  • NerdSip Plus7 Days trial$3.991 Month
  • NerdSip Pro7 Days trial$6.991 Month
  • Nerdsip Gold Monthly7 Days trial$7.991 Month
Show 3 more
  • Nerdsip Plus Yearly7 Days trial$39.991 Year
  • NerdSip Gold7 Days trial$49.991 Year
  • NerdSip Pro Yearly7 Days trial$59.991 Year

Questions

Is Krumbit free?
Krumbit is free to download, with no in-app purchases.
Is NerdSip free?
NerdSip is free to download, with in-app purchases available.
Which has better reviews, Krumbit or NerdSip?
NerdSip is rated higher. Krumbit averages 4.5 out of 5 from 15 ratings, while NerdSip averages 4.8 from 119 ratings.
Do Krumbit or NerdSip have ads?
Neither Krumbit nor NerdSip shows ads.
Which is updated more often, Krumbit or NerdSip?
Krumbit ships an update weekly, and NerdSip weekly. Most recently, Krumbit was updated on October 6, 2026 and NerdSip on October 12, 2026.

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