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Comparison

Challenge vs Emoji Difference

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

Head to head
Challenge: 7 Seconds
Challenge
Free
🎮 Games
★ 4.832 ratingsView app →
Emoji Difference
Emoji Difference
Free
🎮 Games
No ratingsView app →
About

Challenge

Engage in a series of rapid-fire challenges where you have just 7 seconds to complete each mini-game. Test your reflexes and quick thinking across 42 diverse and fast-paced games with simple controls.

Highlights
  • 42 mini games
  • 7-second challenges
  • Simple controls
  • Quick reflexes
  • Fast-paced gameplay
Features
Read full description

You have 7 seconds or less to complete each game. - 42 mini games - Simple Control

About

Emoji Difference

Features
Read full description

Sharpen your focus and put your observation skills to the test with Emoji Difference, a highly engaging spot-the-difference game designed for players of all ages. This addictive puzzle challenges you to identify the one unique emoji hidden within a grid of lookalikes—before the timer runs out!

Screenshots

Challenge4 screens
Emoji Difference3 screens

Verdict

The call

The clearest difference is iOS requirement: Challenge at 11.0 against Emoji Difference's 13.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Challenge ships an update every 4 months, Emoji Difference every 2 months. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 9 level
Challenge versus Emoji Difference: the parameters behind the verdict, then further details
ParameterChallengeEmoji Difference
PriceFreeFree
Rating4.8 (32 ratings) — better—
Positive reviews91.4% of reviews—
Number of ratings32 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size151 MB67 MB
Age rating4+4+
DeveloperKwok Chun Hin现 王

In-app purchases

None

Challenge

No in-app purchases

None

Emoji Difference

No in-app purchases

Questions

Is Challenge free?
Challenge is free to download, with no in-app purchases.
Is Emoji Difference free?
Emoji Difference is free to download, with no in-app purchases.
Do Challenge or Emoji Difference have ads?
Both Challenge and Emoji Difference show ads.
Which is updated more often, Challenge or Emoji Difference?
Challenge ships an update every 4 months, and Emoji Difference every 2 months. Most recently, Challenge was updated on October 15, 2026 and Emoji Difference on October 10, 2026.

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