Comparison

Hard Penny Dell Logic Puzzles vs Einstein

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

Head to head
About

Hard Penny Dell Logic Puzzles

Engage your mind with challenging logic puzzles designed for enthusiasts. Enjoy classic magazine-style problems with intuitive controls, undo options, and hints. Explore a free trial and unlock hundreds more puzzles for extended mental stimulation.

Highlights
  • Classic logic grid puzzles
  • Challenging difficulty levels
  • Intuitive user interface
  • Multi-level undo and Auto-X
  • Error erasing and hints
  • Zoomable grid for all screen sizes
  • iOS accessibility support
Features
Read full description

Penny Dell Logic Puzzles to keep your brain active. These classic magazine puzzles are for the true logic problem fanatic and tend to be harder than others. Try the first ten puzzles for free with no ads, no nags and full functionality. 720 more puzzles are available for purchase in groups of thirty, for hours of puzzling fun! "Easy to use. I enjoy these more than the books." "I've always loved Dell's logic problems and this app is just like the classics." "I found it to be incredibly intuitive and user friendly. Def worth 5 stars!!!" "Always enjoyed the puzzle books before...But this app is great...Very challenging and fun to solve." Keep your mind sharp with these stimulating logic problems that will exercise your brain muscles — a great introduction to deductive reasoning! Enjoy a range of problems at multiple difficulty levels. No more erasing. Multi-level undo and Auto-X let you focus on the logic. If you get stuck, you can choose to erase errors or get a hint. Zoom the grid to fit your screen - from phone size to the largest tablet. The app supports iOS accessibility features, including VoiceOver, Larger Text and Dark Mode. Quality software by Egghead Games. Contact us with questions at support@eggheadgames.com. All puzzles Copyright © 2018-2026 PennyDellPuzzles.com

About

Einstein

This logic puzzle game challenges players to solve complex riddles using deduction and critical thinking. Inspired by a classic brain teaser, it offers increasingly difficult levels with a clean interface and no time limits.

Highlights
  • Logic grid puzzles
  • Deductive reasoning
  • Classic riddle mechanics
  • Clean interface
  • No time limits
Features
Read full description

Einstein: the Riddle is a brain-teasing logic game inspired by the legendary puzzle often attributed to Albert Einstein. Can you solve the riddle that only 2% of the population can crack? Challenge Your Mind Train your brain with increasingly difficult logic grid puzzles. Use deduction, eliminate impossibilities, and find the unique solution. Classic Riddle Mechanics Inspired by the original "Einstein's Riddle", gives you a set of clues and a grid to organize your reasoning. It’s all about logic – no guesswork allowed! Features: Clean, intuitive interface with no distractions No time limits – think at your own pace Perfect For: Puzzle lovers and critical thinkers Fans of logic grids and deduction games Anyone looking to boost focus and cognitive skills Einstein may have called this riddle unsolvable for most… are you part of the 2% who can do it? Download Einstein: the Riddle now and prove your genius!

Screenshots

Hard Penny Dell Logic Puzzles4 screens
Einstein2 screens

Verdict

The call

The clearest difference is review sentiment: Hard Penny Dell Logic Puzzles at 55% against Einstein's 0%. Hard Penny Dell Logic Puzzles also leads on rating (4.6 vs 1.5) and ads (none vs shown). Einstein's advantage is in-app purchases (none vs 11) and iOS requirement (12.0 vs 15.0). 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. Hard Penny Dell Logic Puzzles sells 11 one-off in-app purchases. Einstein asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Hard Penny Dell Logic Puzzles holds the better App Store score, 4.6 against 1.5. That said, the two scores are not equally well evidenced: Hard Penny Dell Logic Puzzles has 3K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 55% of Hard Penny Dell Logic Puzzles's written reviews are positive against 0% of Einstein's.

Scorecard7 real differences · 3 level
Hard Penny Dell Logic Puzzles versus Einstein: the parameters behind the verdict, then further details
ParameterHard Penny Dell Logic PuzzlesEinstein
PriceFreeFree
Rating4.6 (3K ratings) — better1.5 (2 ratings)
Positive reviews54.5% of reviews — better0.0% of reviews
Number of ratings3K — better2
Update frequencyEvery 2 months—
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size42 MB33 MB
Age rating4+4+
DeveloperEgghead Games LLCDavide Sardei

Customer experience

Hard Penny Dell Logic Puzzles

All ratings2,961 ratings
Positive91.0%
Neutral4.6%
Negative4.4%
Written reviews154 reviews
Positive54.5%
Neutral15.6%
Negative29.9%

Einstein

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Hard Penny Dell Logic Puzzles

Reported bugs

3 issues
  • Puzzles with incorrect or missing information
  • Hints that don't match the puzzle logic
  • Compatibility issues with certain devices

Requested features

5 requests
  • Add note-taking functionality
  • Provide more explanations with hints
  • Implement a difficulty rating system
  • Offer more puzzle variety and packs
  • Bring back previous app version

Einstein

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

Hard Penny Dell Logic Puzzles

One-time11
  • Vol 11, Penny Dell$2.99
  • Vol 1, Penny Dell$3.99
  • Vol 2, Penny Dell$3.99
Show 8 more
  • Vol 3, Penny Dell$3.99
  • Vol 4, Penny Dell$3.99
  • Vol 5, Penny Dell$3.99
  • Vol 6, Penny Dell$3.99
  • Vol 7, Penny Dell$3.99
  • Vol 8, Penny Dell$3.99
  • Vol 9, Penny Dell$3.99
  • Vol 10, Penny Dell$3.99
None

Einstein

No in-app purchases

Questions

Is Hard Penny Dell Logic Puzzles free?
Hard Penny Dell Logic Puzzles is free to download, with in-app purchases available.
Is Einstein free?
Einstein is free to download, with no in-app purchases.
Which has better reviews, Hard Penny Dell Logic Puzzles or Einstein?
Hard Penny Dell Logic Puzzles is rated higher. Hard Penny Dell Logic Puzzles averages 4.6 out of 5 from 3K ratings, while Einstein averages 1.5 from 2 ratings.
Do Hard Penny Dell Logic Puzzles or Einstein have ads?
Einstein shows ads; Hard Penny Dell Logic Puzzles does not.

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