Comparison

Hidden Differences vs SudoGrid Blocks

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

Head to head
About

Hidden Differences

Engage in a captivating photo hunt adventure to find subtle discrepancies between two seemingly identical images. Utilize keen observation skills to uncover hidden objects and advance through diverse, beautifully rendered locations. This game offers a relaxing yet challenging experience for puzzle enthusiasts.

Highlights
  • Find 5 differences between pictures
  • Explore 70+ stunning locations
  • Discover 3500+ unique items
  • Over 1400 photo hunt quests
  • Highly detailed graphics
  • Relaxing soundtrack
Features
Read full description

Find out what's the difference in pictures! Embark on the Hidden Differences - Spot the Difference adventure! This is a new kind of photo hunt spot-the-difference game – find the difference between two identical pictures. Your task here is examine a halved picture carefully and find 5 differences. Try to spot all of them – some objects immediately catch your eye, but you'll have to be very attentive to find others! Keep your eyes open and take a close look at the pic – objects can hide everywhere! Use your investigation skills to open new areas and find all differences in pictures. Advance on the quest – many instruments to help you find differences are at your fingertips. Boost your concentration and enjoy! Each level is a new location – a mysterious house, ranch, abandoned pickup truck, and many others. Enjoy the atmosphere of the photo hunt puzzle difference game thanks to highly detailed awesome graphics! Travel through the Hidden Differences - Spot the Difference maps and enjoy! Easy controls will help you spot the differences fast, and helpful boosters are just a tap away! Why you'll love Hidden Differences - Spot the Difference: - 1400+ exciting photo hunt quests - 70+ stunning locations to discover - Highly detailed & awesome graphics - 3500+ unique items to be found – find them all! - Awesome relaxing soundtrack If you're looking for an amazing spot-the-difference photo hunt puzzle game, then Hidden Differences - Spot the Difference is just what you need! Wonderful music and amazing graphics will make your find differences puzzle gaming experience unforgettable. Get your magnifying glass ready, plunge into the amazing world of spot the difference game, and start your finding differences adventure! So, what are you waiting for? Download Hidden Differences - Spot the Difference and enjoy this amazing find the differences game! ==== Terms of Use: https://azurgames.com/terms-of-use/ Privacy Policy: https://azurgames.com/privacy-policy/

About

SudoGrid Blocks

Features
Read full description

Escape into a world of strategy and serenity. SudoGrid Blocks combines the classic 9x9 grid logic with addictive block-matching mechanics. Simply drag blocks to the grid, complete lines or squares, and clear the board.

Screenshots

Hidden Differences4 screens
SudoGrid Blocks3 screens

Verdict

The call

The clearest difference is in-app purchases: SudoGrid Blocks at none against Hidden Differences's 5. SudoGrid Blocks also leads on update cadence (every 3 days vs every 3 months). Hidden Differences's advantage is iOS requirement (13.0 vs 18.6). On price, ads 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. Hidden Differences sells 5 in-app purchases, starting at $4.99 per 7 days. SudoGrid Blocks asks for nothing beyond the download.

UpkeepUpdate frequency

Hidden Differences ships an update every 3 months, SudoGrid Blocks every 3 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Hidden Differences versus SudoGrid Blocks: the parameters behind the verdict, then further details
ParameterHidden DifferencesSudoGrid Blocks
PriceFreeFree
Rating4.6 (18K ratings) — better—
Positive reviews49.4% of reviews—
Number of ratings18K — better—
Update frequencyEvery 3 monthsEvery 3 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.6
Further details — not scored
Size423 MB9 MB
Age rating4+4+
DeveloperAZUR INTERACTIVE GAMES LIMITEDHER WEN CHANG

Bugs and requests

Hidden Differences

Reported bugs

2 issues
  • Crashes and freezes
  • Issues with closing the app

Requested features

3 requests
  • Add difficulty levels
  • Improve ad frequency and duration
  • Provide a one-time purchase option

SudoGrid Blocks

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Hidden Differences

Subscriptions1
  • Premium Subscription3 Days trial$4.997 Days
One-time4
  • Find hidden objects with hints$1.99
  • No ads$2.99
  • 15 hints$4.99
Show 1 more
  • 70 hints$19.99
None

SudoGrid Blocks

No in-app purchases

Questions

Is Hidden Differences free?
Hidden Differences is free to download, with in-app purchases available.
Is SudoGrid Blocks free?
SudoGrid Blocks is free to download, with no in-app purchases.
Do Hidden Differences or SudoGrid Blocks have ads?
Both Hidden Differences and SudoGrid Blocks show ads.
Which is updated more often, Hidden Differences or SudoGrid Blocks?
Hidden Differences ships an update every 3 months, and SudoGrid Blocks every 3 days. Most recently, Hidden Differences was updated on November 6, 2026 and SudoGrid Blocks on October 31, 2026.

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