Comparison

Dyngja vs Game Theory Lab

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

Head to head
About

Dyngja

This app allows users to invest in the Icelandic stock market using virtual money. Participate in competitions, track others' trades, and learn investment concepts.

Highlights
  • Virtual money investment
  • Icelandic stock market
  • Competition participation
  • Trade tracking
  • Investment concept learning
Features
Read full description

Forrit sem gerir notendum sínum kleift að fjárfesta á íslenska hlutabréfamarkaðnum með gervipening. Þú getur tekið þátt í keppnum, fylgst með hvað aðrir eru að kaupa/selja og lært hin ýmsu hugtök sem notuð eruð í fjárfestingaheiminum.

About

Game Theory Lab

Features
Read full description

"If the other side is exactly as clever as you are, what do you do?" Game Theory Lab lets you experience strategic decision-making by playing against an AI. Arguments that never quite land when you only read them start to make sense once you have made the choice yourself. [How each theme works] 1. Predict — commit to what you would do, and to what you think will happen 2. Play the AI — make your moves and watch the mind-reading play out 3. Read the explanation — see why it turned out that way, with charts and numbers Being wrong is the most interesting part. [Themes included (four are free)] Prisoner's Dilemma If you both betray, you both lose. Ten rounds against the AI show you why people betray anyway. Rock-Paper-Scissors Lab Can you really play at random? The AI is reading your habits. Ultimatum Game Split 1,000 yen. How much do you have to offer before the other side accepts — and when does a "profitable" offer get rejected? Tragedy of the Commons Everyone takes too much and the fish run out. Where is the sustainable catch? [Full Access Pack (one-time purchase)] One purchase permanently unlocks the remaining twelve themes. No further charges. Dictator Game How much do people share when nobody is watching? Tit for Tat Why does the "nice" strategy survive in a world full of defectors? Watch it play out over generations. Chicken Swerve first and you lose. Nobody swerves and it is a disaster. How do you make "I will not swerve" believable? Stag Hunt Cooperate and the prize is large — but can you trust the other side? Safety versus the bigger payoff. Matching Pennies Get read and you lose. Behaving genuinely at random is harder than it looks. Public Goods Game Everyone contributing makes everyone better off, and yet contributions collapse. Keynesian Beauty Contest Pick what everyone else will pick. How many levels deep does the second-guessing go? Winner's Curse You won the auction — so why are you worse off? Winning itself is bad news. Inspection Game What fraction of spot checks is enough to deter? The value of being unpredictable. Vickrey Auction When the winner pays the second-highest bid, bidding honestly becomes your best move. Dollar Auction Why does an auction for a 1,000-yen note end above 2,000 yen? Braess's Paradox Add one more road and everybody's travel time goes up. [Who it is for] - Anyone curious about economics, psychology, or decision-making - Anyone who wants the "why" behind negotiation and bluffing - Fans of brain training and popular-science content - Enjoyable from middle school age upward [Languages] Japanese, English, Korean, Chinese (Simplified), Russian, German, French, Spanish, Hindi

Screenshots

Dyngja4 screens
Game Theory Lab4 screens

Verdict

The call

The clearest difference is in-app purchases: Dyngja at none against Game Theory Lab's 1. Dyngja also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). Game Theory Lab's advantage is update cadence (every 2 weeks vs every 4 weeks). 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. Game Theory Lab sells 1 one-off in-app purchase. Dyngja asks for nothing beyond the download.

UpkeepUpdate frequency

Dyngja ships an update every 4 weeks, Game Theory Lab every 2 weeks. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 5 level
Dyngja versus Game Theory Lab: the parameters behind the verdict, then further details
ParameterDyngjaGame Theory Lab
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 4 weeksEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size48 MB12 MB
Age rating4+4+
DeveloperReynir HaukssonNon Kudo

In-app purchases

None

Dyngja

No in-app purchases

1 purchases

Game Theory Lab

One-time1
  • Full Unlock Pack$0.99

Questions

Is Dyngja free?
Dyngja is free to download, with no in-app purchases.
Is Game Theory Lab free?
Game Theory Lab is free to download, with in-app purchases available.
Do Dyngja or Game Theory Lab have ads?
Game Theory Lab shows ads; Dyngja does not.
Which is updated more often, Dyngja or Game Theory Lab?
Dyngja ships an update every 4 weeks, and Game Theory Lab every 2 weeks. Most recently, Dyngja was updated on October 11, 2026 and Game Theory Lab on October 13, 2026.

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