Comparison

ReTrader vs CourseGrab

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

Head to head
About

ReTrader

Simulate trading major historical financial events to understand market movements. Engage in short trading scenarios, compete on leaderboards, and gain insights from experienced traders. Subscribe for weekly analysis and mini-games.

Highlights
  • Trade historical financial events
  • Simulate market movements
  • Analyze profit/loss
  • Global trading competitions
  • Weekly analysis subscriptions
  • Leaderboard rankings
Read full description

ReTrader allows users to trade major historic financial events exactly as they happened. ReTraders see first hand how markets moved and how they would have traded live, as the news unfolded. The App invites users to trade scenarios like the collapse of Lehman Brothers, Black Wednesday, or the release of major economic data, and you will be able to react to those events by buying or selling depending on whether you think the market will go up or down The objective of ReTrader is to help you understand how and why markets move, as each scenario is previewed and reviewed by an experienced trader, and you can at all times see the profit or loss of your positions. ReTrader condenses each scenario into short 3-5 minute simulations for you to engage with. Every time you play a game for the first time, we will record your score on a leaderboard where you can compare your performance to other users. ReTraders can enter into global trading competitions or use the APP to keep up-to-date with the current events by choosing to sign up to our subscriptions, which will give you our analysis in the form of mini-games on a weekly basis. If you have any questions, email us at: answers@retraderapp.com

About

CourseGrab

This app helps students at a specific university get into full courses. It sends instant notifications when a spot opens up, allowing users to quickly access the enrollment system and secure their place.

Highlights
  • Search courses by name or code
  • Track unlimited courses
  • Instant spot opening notifications
  • Direct link to Student Center
  • Open source project
Features
Read full description

Trying to get into a class at Cornell that’s already full? CourseGrab is here to help! CourseGrab enhances the student enrollment experience by notifying students of available spots in courses they wish to enroll in. CourseGrab currently caters to Cornell University’s class roster. The key features of the application include: - Search for any course name or course code for easy tracking - Track an unlimited number of courses - Receive immediate push notifications when an empty spot opens up - Navigate to Student Center to grab your spot straight from CourseGrab CourseGrab is an app from Cornell AppDev, an open source app development project team at Cornell University. Check us out at www.cornellappdev.com! Let us know what you think of CourseGrab by sending feedback at team@cornellappdev.com

Screenshots

ReTrader4 screens
CourseGrab4 screens

Verdict

The call

The clearest difference is review sentiment: ReTrader at 82% against CourseGrab's 25%. ReTrader also leads on update cadence (every 2 months vs every 6 months) and device support (3 vs 1). CourseGrab's advantage is rating (3.6 vs 3.0) and in-app purchases (none vs 10). On price 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. ReTrader sells 10 one-off in-app purchases. CourseGrab asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CourseGrab holds the better App Store score, 3.6 against 3.0. That said, the two scores are not equally well evidenced: CourseGrab has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 82% of ReTrader's written reviews are positive against 25% of CourseGrab's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

ReTrader ships an update every 2 months, CourseGrab every 6 months. The most recent releases landed on July 26, 2026 and August 18, 2026 respectively.

Scorecard8 real differences · 2 level
ReTrader versus CourseGrab: the parameters behind the verdict, then further details
ParameterReTraderCourseGrab
PriceFreeFree
Rating3.0 (2 ratings)3.6 (17 ratings) — better
Positive reviews81.8% of reviews — better25.0% of reviews
Number of ratings217 — better
Update frequencyEvery 2 months — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.6
Further details — not scored
Size36 MB6 MB
Age rating4+4+
DeveloperFintratech LimitedWalker White

Customer experience

ReTrader

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews11 reviews
Positive81.8%
Neutral0.0%
Negative18.2%

CourseGrab

All ratings17 ratings
Positive64.7%
Neutral0.0%
Negative35.3%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

In-app purchases

10 purchases

ReTrader

One-time10
  • ECB Interest Rate 2013$0.99
  • Fiscal Cliff 2012$0.99
  • Taper Tantrum 2013$0.99
Show 7 more
  • Flash Move 2010 - Available Soon$0.99
  • Biggest equity move of 2014$0.99
  • Swiss Remove FX Floor: EURUSD$0.99
  • Swiss Remove FX Floor: GOLD$0.99
  • Swiss Remove FX Floor: Swiss Stocks$0.99
  • Russia and ECB - Sep 2014 - Dax$0.99
  • 2 Month Subscription$14.99
None

CourseGrab

No in-app purchases

Questions

Is ReTrader free?
ReTrader is free to download, with in-app purchases available.
Is CourseGrab free?
CourseGrab is free to download, with no in-app purchases.
Which has better reviews, ReTrader or CourseGrab?
CourseGrab is rated higher. ReTrader averages 3.0 out of 5 from 2 ratings, while CourseGrab averages 3.6 from 17 ratings.
Do ReTrader or CourseGrab have ads?
Neither ReTrader nor CourseGrab shows ads.
Which is updated more often, ReTrader or CourseGrab?
ReTrader ships an update every 2 months, and CourseGrab every 6 months. Most recently, ReTrader was updated on July 26, 2026 and CourseGrab on August 18, 2026.

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