Einstein Challenge vs 100 / 4 Logic Games
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Einstein Challenge
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It's thought that Albert Einstein in the last century, released the following challenge: In one street there are five houses with different colours. In each one of them, live a person from different nationality. Each one of these people likes a different drink and smokes a brand of cigarettes different from the others. in addition, each one has a different kind of pet. The question is: "who is the owner of the fish". Follow the tips to find the answer.
100 / 4 Logic Games
Engage your mind with a collection of logic puzzles designed to be more entertaining than traditional Sudoku. This app offers a variety of brain-teasing challenges perfect for passing the time and providing mental stimulation.
- Multiple logic puzzle games
- Mental exercise
- Variety of challenges
- Ideal for spare time
- Growing game library
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The next chapter is here ! We have our first 7 games ready, and we're going to add more in the upcoming weeks ! ____ Join 10.000.000 Logic Games players across platforms ! ...Can't stand Sudoku ? Or actually, maybe you love it, but you’re looking for a change ? These puzzle games are a lot more entertaining and enjoyable, providing similar mental exercise. An ideal companion for spare time, with enough variety you’re sure to find at least one game you’ll love. ------------------------------
Screenshots
Verdict
The clearest difference is price: 100 / 4 Logic Games at Free against Einstein Challenge's $0.99. 100 / 4 Logic Games also leads on update cadence (every 10 days vs every 39 months) and iOS requirement (8.1 vs 17.0). On in-app purchases 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
100 / 4 Logic Games is free to download; Einstein Challenge costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Einstein Challenge ships an update every 39 months, 100 / 4 Logic Games every 10 days. Both last shipped on November 3, 2026.
| Parameter | Einstein Challenge | 100 / 4 Logic Games |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 4.6 (51 ratings) — better |
| Positive reviews | — | 71.4% of reviews |
| Number of ratings | — | 51 — better |
| Update frequency | Every 39 months | Every 10 days — better |
| Ads | — | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 8.1 — better |
| Further details — not scored | ||
| Size | 9 MB | 99 MB |
| Age rating | 12+ | 4+ |
| Developer | Joao Silva | Andrea Sabbatini |
In-app purchases
Einstein Challenge
No in-app purchases
100 / 4 Logic Games
No in-app purchases
Questions
Is Einstein Challenge free?
Is 100 / 4 Logic Games free?
Which is updated more often, Einstein Challenge or 100 / 4 Logic Games?
Other comparisons
