Comparison

Link 4 vs Math Devil

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

Head to head
About

Link 4

Engage in a classic 4-in-a-row game with multiple modes. Play solo against AI, challenge friends locally, or compete online with players globally. Customize your experience with various settings and disc sets.

Highlights
  • Single player vs AI
  • Local two-player mode
  • Online multiplayer
  • Customizable settings
  • Multiple disc sets
  • No ads
Features
Read full description

Challenge your friends, test your skills against AI, and enjoy a feature-packed online multiplayer 4 in a row game. Whether you're playing solo, head-to-head with a friend, or online with players worldwide, Link 4 - Online offers a smooth and customizable experience. Game Modes: - Single Player: Play against a smart AI with three difficulty levels: Easy, Medium, and Hard - Two Player Mode: Challenge a friend in local multiplayer on the same device - Online Multiplayer: Host or Join a game and compete with friends or players around the world Online Play: - Join a Game – Using a six-character code from a friend to instantly connect and play - Host a Game – Unlock hosting with a one-time fee, generate a unique game code, and invite others to join Customization & Settings: - Set custom names for Players - Adjust AI difficulty - Enable or disable AI taunts, haptics, and game sounds - Choose from nine unique disc sets (one free, unlock eight more with a one-time purchase) Key Features: - Smooth gameplay with an intuitive interface - Smart AI for a challenging single-player experience - No ads, no subscriptions – just pure, uninterrupted gameplay with optional in-app purchases Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://justshare.me/link4online/privacy

About

Math Devil

A challenging 2D platformer that combines difficult levels with math-based puzzles. Navigate traps and solve problems involving various mathematical concepts to progress. It offers a unique test of both reflexes and intellect.

Highlights
  • Challenging 2D platformer gameplay
  • Math puzzle integration
  • Multiple difficulty levels
  • Variety of math concepts covered
  • Trap-filled environments
Features
Read full description

Dare you win this HARD MATH levels? -Impossible to pass all levels: 40 normal, 2 nightmare -Simple 2d platform but with math puzzles, not easy to win without thinking -Many traps here, be careful [Levels] Primary School: -Comparison Operators -Addition, Subtraction, Multiplication, Division -Order of Operations -Decimal -Fraction -Negative Number -Variable -Function If your hands and brain are ready, good luck to you!

Screenshots

Link 44 screens
Math Devil4 screens

Verdict

The call

The clearest difference is in-app purchases: Math Devil at none against Link 4's 2. Math Devil also leads on iOS requirement (12.0 vs 17.0). Link 4's advantage is ads (none vs shown). On price, rating, ratings volume and update cadence 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. Link 4 sells 2 one-off in-app purchases. Math Devil asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Link 4 against 5.0 for Math Devil. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Link 4 ships an update every 11 months, Math Devil daily. The most recent releases landed on September 7, 2026 and September 27, 2026 respectively.

Scorecard4 real differences · 5 level
Link 4 versus Math Devil: the parameters behind the verdict, then further details
ParameterLink 4Math Devil
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 11 monthsDaily — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size12 MB134 MB
Age rating4+4+
DeveloperErfan Reed友洲 陈

Customer experience

Link 4

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Math Devil

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Link 4

One-time2
  • Disc Pack 1$0.99
  • Online Game Play$1.99
None

Math Devil

No in-app purchases

Questions

Is Link 4 free?
Link 4 is free to download, with in-app purchases available.
Is Math Devil free?
Math Devil is free to download, with no in-app purchases.
Which has better reviews, Link 4 or Math Devil?
Link 4 and Math Devil are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Link 4 or Math Devil have ads?
Math Devil shows ads; Link 4 does not.
Which is updated more often, Link 4 or Math Devil?
Link 4 ships an update every 11 months, and Math Devil daily. Most recently, Link 4 was updated on September 7, 2026 and Math Devil on September 27, 2026.

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