Comparison

5 Second Rule vs Size Guesser

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

Head to head
About

5 Second Rule

This is a quick and fun party game where players have five seconds to answer simple questions. Compete with friends to get the most points and win the game. It's suitable for all ages and allows for custom questions.

Highlights
  • Hundreds of timed questions
  • Add custom questions
  • Multiplayer support
  • Adjustable rounds
  • Score tracking
  • Family-friendly content
Features
Read full description

5 Second Rule is a fun and fast-paced party game to play something quick and fun with friends. Rules are pretty straightforward. Players are asked a simple question and they have 5 seconds to come up with the right answers before the buzzer rings. The player with the most points at the end of the game wins! Features: ◆ Hundreds of fun questions where you need to give answers in just 5 seconds! ◆ Add your own questions ◆ Play with multiple players ◆ Set the number of rounds to play ◆ Keep track of player scores ◆ Family friend content suitable for all ages

About

Size Guesser

Test your perception of scale by resizing objects to match their real-world dimensions. Compete with friends or play solo across diverse themed categories. Earn points and unlock achievements as you master the art of size comparison.

Highlights
  • 12 themed categories
  • Over 1,000 objects
  • Online 1v1 multiplayer
  • Party Mode for up to 8 players
  • Achievements and stats
  • 27 language support
  • Dark mode
Features
Read full description

Can you guess how big things really are? Size Guesser challenges your sense of scale. One object is drawn to its true size — resize the other until it matches. How accurate can you be? THEMES • Animals — from ants to elephants • Vehicles — cars, planes & more • Buildings — towers & landmarks • Space — stars & planets • Dinosaurs — prehistoric beasts • Sea Life — ocean creatures • Actors — Hollywood stars • Singers — music artists • Sports Gear — balls, bats & more • Athletes — sports legends • World Leaders — heads of state • Maps — countries by area HOW TO PLAY One object is shown at its real size. Drag to resize the other until it matches, then lock in your answer. The closer you get, the more points you score. Finish every round before the clock runs out to clear the level. FEATURES • 12 themed categories with over 1,000 objects • Play online 1v1 with friends or random opponents • Party Mode for 2–8 players on one phone • Achievements and detailed stats • Available in 27 languages • Metric & imperial units • Game Center leaderboards • Dark mode support • Ad-free Premium tier Privacy Policy: https://raw.githubusercontent.com/ekasall/Privacy-Policy-SizeGuesser/refs/heads/main/privacy-policy.md

Screenshots

5 Second Rule3 screens
Size Guesser4 screens

Verdict

The call

The clearest difference is review sentiment: Size Guesser at 100% against 5 Second Rule's 0%. Size Guesser also leads on update cadence (every 5 days vs every 12 months) and rating (4.5 vs 4.1). 5 Second Rule's advantage is ratings volume (13 vs 2) and device support (3 vs 1). On price, ads, in-app purchases and monetization model 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. 5 Second Rule sells 1 one-off in-app purchase and Size Guesser sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Size Guesser holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: 5 Second Rule has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of 5 Second Rule's written reviews are positive against 100% of Size Guesser's.

UpkeepUpdate frequency

5 Second Rule ships an update every 12 months, Size Guesser every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 4 level
5 Second Rule versus Size Guesser: the parameters behind the verdict, then further details
Parameter5 Second RuleSize Guesser
PriceFreeFree
Rating4.1 (13 ratings)4.5 (2 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings13 — better2
Update frequencyEvery 12 monthsEvery 5 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better18.6
Further details — not scored
Size32 MB107 MB
Age rating12+4+
DeveloperHanja DeviEMIRHAN KASAL

Customer experience

5 Second Rule

All ratings13 ratings
Positive76.9%
Neutral0.0%
Negative23.1%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Size Guesser

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

5 Second Rule

One-time1
  • Remove Ads$9.99
1 purchases

Size Guesser

One-time1
  • Premium Upgrade$2.99

Questions

Is 5 Second Rule free?
5 Second Rule is free to download, with in-app purchases available.
Is Size Guesser free?
Size Guesser is free to download, with in-app purchases available.
Which has better reviews, 5 Second Rule or Size Guesser?
Size Guesser is rated higher. 5 Second Rule averages 4.1 out of 5 from 13 ratings, while Size Guesser averages 4.5 from 2 ratings.
Do 5 Second Rule or Size Guesser have ads?
Both 5 Second Rule and Size Guesser show ads.
Which is updated more often, 5 Second Rule or Size Guesser?
5 Second Rule ships an update every 12 months, and Size Guesser every 5 days. Most recently, 5 Second Rule was updated on October 24, 2026 and Size Guesser on October 25, 2026.

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