Comparison

Nudge Learning App vs Stack

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

Head to head
About

Nudge Learning App

Features
Read full description

Nudge is the app that your company needed. Designed to train your collaborators and encourage them to learn and improve constantly, which will result in the growth of your company. Thanks to Nudge, the variety of courses it offers and its teaching methodology, your collaborators will be able to learn what you need them to, so that they can excel in their work and become a better tool. With Nudge everyone wins! Take a look at the variety of courses available and decide which courses you want them to take. Then assign them to these courses and configure them according to their needs and those of your company. You can also customize the number of notifications they will receive and the frequency, as well as the deadline by which they must complete the course. Your collaborators will have access to the courses you have assigned to them and will be able to take them within the timeframe you set. The courses consist of a set of related questions that will appear randomly and repeatedly to the student. In order to ensure the best retention of information, the student will answer the same questions several times. Once the student is able to answer them in a few seconds, the questions will be considered approved and the student will be able to take the course exam. Once approved, the course will be completed. In the app you will also have access to a set of statistics that will allow you to visualize the learning status of your employees in order to follow up on them. You will be able to see the courses they are taking and those they have already completed, as well as the results of their exams and their response time. Try Nudge now and take your company to the next level!

About

Stack

Features
Read full description

Build investing confidence with Stack, the all-in-one app to learn stocks, practice with paper trading, and improve daily with personalized lessons. Whether you're a beginner or leveling up your strategy, Stack helps you turn financial concepts into real decision-making skills. What you can do in Stack: Learn with bite-sized courses on investing, markets, and trading Practice with realistic paper trading using virtual money Track streaks, achievements, and progress to stay consistent Complete quizzes and interactive scenarios to test understanding Discover a personalized learning path based on your goals Follow live market-style stock data and build stronger habits Why users love Stack: Beginner-friendly, but useful for intermediate learners Clear, practical lessons (without overwhelming jargon) Gamified motivation through streaks and milestones Safe place to practice before risking real money Start learning smarter, build better money habits, and grow your investing skills one day at a time. Terms of Service: https://www.stackinvest.app/terms

Screenshots

Nudge Learning App4 screens
Stack4 screens

Verdict

The call

The clearest difference is in-app purchases: Nudge Learning App at none against Stack's 2. Nudge Learning App also leads on iOS requirement (13.0 vs 18.0). On price, ads 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Stack sells 2 in-app purchases, starting at $14.99 per month. Nudge Learning App asks for nothing beyond the download.

Scorecard2 real differences ยท 4 level
Nudge Learning App versus Stack: the parameters behind the verdict, then further details
ParameterNudge Learning AppStack
PriceFreeFree
Update frequencyEvery 7 monthsโ€”
AdsYesYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS13.0 โ€” better18.0
Further details โ€” not scored
Size58 MB12 MB
Age rating17+4+
DeveloperTrade Academy LLCStack Apps

In-app purchases

None

Nudge Learning App

No in-app purchases

2 purchases

Stack

Subscriptions2
  • Stack Pro$14.991 Month
  • Stack Pro$89.991 Year

Questions

Is Nudge Learning App free?
Nudge Learning App is free to download, with no in-app purchases.
Is Stack free?
Stack is free to download, with in-app purchases available.
Do Nudge Learning App or Stack have ads?
Both Nudge Learning App and Stack show ads.

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