Comparison

Hidden Objects vs Sudoku Challenge

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

Head to head
About

Hidden Objects

Embark on a neon-themed puzzle adventure to find hidden objects in vibrant pictures. Explore diverse locations and complete challenges without time pressure. Perfect for relaxation and fun for all ages.

Highlights
  • Neon-themed hidden object puzzles
  • Diverse mystery locations
  • Offline play supported
  • No timers or time limits
  • Hints available
  • Unique author drawings
Features
Read full description

Start your hunt for hidden objects! Hidden Objects - Neon Secrets is a hidden object puzzle adventure game in which you will find hidden objects in pictures! Get ready for a big hidden object Journey in the mystery neon world! At each level you will have to find ten hidden objects. Each level represents a new location – manor, hotel, swimming pool, house, beach, shop, museum and much more. Enjoy the neon atmosphere of the hidden object puzzle game! In Hidden Objects - Neon Secrets Game you have to find various hidden objects - the objects to be found will be displayed at the bottom of the screen and your task is to find them all on a big picture. Hidden items can be anywhere. Seek and find all items and complete hidden object challenges. Why you will love “Hidden Objects - Neon Secrets” - find the objects adventure game: - The game is completely free. - Unusual author's drawings in a special, neon style. - Offline mode - enjoy the Hidden Object game wherever you are! - The game is not difficult. Just relax and have fun! - There are no timers or time limits in the game. No need to hurry. - Incredible seek-and-find adventure that adults and kids will love. - 10 mysterious items in each level. - Hints is available and will help if you get stuck If you are looking for an amazing hidden object puzzle adventure, Hidden Objects - Neon Secrets game is what you need for fun and relax! So what are you waiting for? Download Hidden Objects - Neon Secrets game and enjoy!

About

Sudoku Challenge

Features
Read full description

Sudoku that teaches you: every hint explains WHY — plus a 12-lesson Academy that takes you from first steps all the way to X-Wing. DAILY CHALLENGE — one puzzle for the whole world each day, with resume-anytime saves and an Elo-style Rating that grows with you. SUDOKU ACADEMY — 12 interactive lessons: cross-hatching, leftovers, pointing pairs, naked pairs, X-Wing and more. From playing to truly solving. HINTS THAT TEACH — hints don't just fill the answer. They highlight the cell, name the technique, and walk you through the logic. ADVENTURE MAP — 8 regions, 100+ levels, star chests and Boss fights. Unlock four variants: Killer, Diagonal, Jigsaw and Letter sudoku. MORE MODES — Classic with 6 difficulties, Speed runs, Survival stages and Endgame sprints. 100% FREE — NO ADS. NO IN-APP PURCHASES. NO DATA COLLECTION. No account needed. Everything stays on your device — uninstall deletes it all. Plays fully offline. 10 minutes a day keeps your brain sharp.

Screenshots

Hidden Objects4 screens
Sudoku Challenge4 screens

Verdict

The call

The clearest difference is ads: Sudoku Challenge at none against Hidden Objects's shown. Sudoku Challenge also leads on update cadence (monthly vs every 6 months). Hidden Objects's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price 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

Hidden Objects ships an update every 6 months, Sudoku Challenge monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Hidden Objects versus Sudoku Challenge: the parameters behind the verdict, then further details
ParameterHidden ObjectsSudoku Challenge
PriceFreeFree
Rating4.5 (112 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings112 — better—
Update frequencyEvery 6 monthsMonthly — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size99 MB6 MB
Age rating4+4+
DeveloperAlexey Romanov静 李

In-app purchases

None

Hidden Objects

No in-app purchases

None

Sudoku Challenge

No in-app purchases

Questions

Is Hidden Objects free?
Hidden Objects is free to download, with no in-app purchases.
Is Sudoku Challenge free?
Sudoku Challenge is free to download, with no in-app purchases.
Do Hidden Objects or Sudoku Challenge have ads?
Hidden Objects shows ads; Sudoku Challenge does not.
Which is updated more often, Hidden Objects or Sudoku Challenge?
Hidden Objects ships an update every 6 months, and Sudoku Challenge monthly. Most recently, Hidden Objects was updated on November 3, 2026 and Sudoku Challenge on October 31, 2026.

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