Comparison

Jim's Challenge vs Modstack

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

Head to head
About

Jim's Challenge

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Guide your character through increasingly complex mazes filled with keys, doors, ice, fire, water, teleporters, monsters, and more. Collect all the computer chips in each level to open the exit and advance to the next challenge. FEATURES: - Retro Windows 95-style graphics and interface - Touch controls with on-screen D-pad - Level select to jump to any level - Classic sound effects and music - Hint tiles to help you solve tricky puzzles - Pause and restart at any time Whether you're a nostalgic fan of the original or discovering this puzzle classic for the first time, Jim's Challenge offers hours of brain-teasing fun!

About

Modstack

Features
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Modstack is a tactile programming puzzle about making big moves with a small set of commands. Place Move and Turn tiles into a program, stack modifiers to change what they do, then run your machine. Watch the robot execute each step, learn from the result, and compress your solution until it reaches par. WHAT YOU GET - 36 handcrafted campaign circuits across six chapters - A gentle visual introduction to programs, repetition, and mirroring - Ordered relays, switches, gates, and precision Expert Circuits - A new Easy, Medium, and Hard Daily Circuit every day - Layered hints that nudge without giving away the whole solution - Offline play with progress stored on your device - Purpose-built sound and haptic feedback - No ads, no account, and no tracking The Foundations chapter and Easy Daily are free. A single Full Game Unlock opens the remaining 30 campaign circuits plus Medium and Hard Daily. There is no subscription.

Screenshots

Modstack4 screens

Verdict

The call

The clearest difference is in-app purchases: Jim's Challenge at none against Modstack's 1. Modstack's advantage is device support. On price and iOS requirement 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. Modstack sells 1 one-off in-app purchase. Jim's Challenge asks for nothing beyond the download.

Scorecard2 real differences ยท 4 level
Jim's Challenge versus Modstack: the parameters behind the verdict, then further details
ParameterJim's ChallengeModstack
PriceFreeFree
Update frequencyโ€”Every 8 days
Adsโ€”No
In-app purchasesNo โ€” betterYes
Devicesโ€”iPhone, iPad, iPod โ€” better
Requires iOS15.115.0 โ€” better
Further details โ€” not scored
Size64 MB30 MB
Age rating4+4+
DeveloperJimil BurkhartNovoBuild LLC

In-app purchases

None

Jim's Challenge

No in-app purchases

1 purchases

Modstack

One-time1
  • Unlock Full Modstack$3.99

Questions

Is Jim's Challenge free?
Jim's Challenge is free to download, with no in-app purchases.
Is Modstack free?
Modstack is free to download, with in-app purchases available.

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