Comparison

Secret Passages Hidden Objects vs Serum X

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

Head to head
About

Secret Passages Hidden Objects

Explore beautifully crafted environments and search for cleverly hidden items in this immersive hidden object game. Enjoy a smooth, satisfying gameplay experience with dynamic animations and unique themes across multiple levels.

Highlights
  • Immersive hidden object gameplay
  • Beautifully designed levels
  • Unique themes and environments
  • Dynamic object animations
  • Relaxing yet engaging experience
  • Clean and intuitive UI
Features
Read full description

- Discover Secrets Like Never Before Step into the world of Secret Passages: Hidden Objects, where every scene hides a mystery waiting to be uncovered. Explore beautifully crafted environments, search for cleverly hidden items, and enjoy a smooth, satisfying gameplay experience. - FEATURES Immersive hidden object gameplay Smooth object animations and transitions Multiple beautifully designed levels Unique themes and environments Easy to play, challenging to master Clean and intuitive UI Relaxing yet engaging experience - NEW GAMEPLAY EXPERIENCE Enjoy newly enhanced interactions where objects come to life with dynamic animations. Each discovery feels rewarding and satisfying. - EXPLORE DIFFERENT WORLDS From magical gardens to ancient ruins, each level offers a fresh challenge and stunning visuals. - PERFECT FOR Puzzle lovers Casual gamers Mystery seekers Relaxation gaming Start your journey today and uncover the secrets hidden in every passage.

About

Serum X

Uncover a revolutionary serum before it's misused. Employ detective skills in this point-and-click adventure to locate its hidden storage. Navigate a world of scientific progress and industrial change to secure the future.

Highlights
  • Detective gameplay
  • Point-and-click mechanics
  • Room escape puzzles
  • Story-driven adventure
  • Scientific advancements theme
Features
Read full description

A game changer serum has been developed with the power to change the 20th century. Retrieve it before it falls in the wrong hands. Use your detective skills, sneak in and find where the serum is stored in this point-and-click / room escape game. With all the scientific advancements and the industrial revolution, all sorts of experiments are flourishing everywhere. The appliance of this experiments will define the future..

Screenshots

Secret Passages Hidden Objects4 screens
Serum X4 screens

Verdict

The call

The clearest difference is rating: Serum X at 1.6 against Secret Passages Hidden Objects's 1.0. Serum X also leads on in-app purchases (none vs 2) and update cadence (every 4 months vs every 130 months). On price, review sentiment, 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. Secret Passages Hidden Objects sells 2 one-off in-app purchases. Serum X asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Serum X holds the better App Store score, 1.6 against 1.0. That said, the two scores are not equally well evidenced: Serum X has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

Secret Passages Hidden Objects ships an update every 130 months, Serum X every 4 months. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

Scorecard6 real differences · 4 level
Secret Passages Hidden Objects versus Serum X: the parameters behind the verdict, then further details
ParameterSecret Passages Hidden ObjectsSerum X
PriceFreeFree
Rating1.0 (1 ratings)1.6 (5 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings15 — better
Update frequencyEvery 130 monthsEvery 4 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.010.3 — better
Further details — not scored
Size165 MB99 MB
Age rating4+4+
DeveloperApollo KashiJose Lopez

Customer experience

Secret Passages Hidden Objects

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Serum X

All ratings5 ratings
Positive20.0%
Neutral0.0%
Negative80.0%
Written reviews3 reviews
Positive0.0%
Neutral33.3%
Negative66.7%

In-app purchases

2 purchases

Secret Passages Hidden Objects

One-time2
  • RemoveAd From Full Game$0.99
  • Get 20 Hint For Full Game$0.99
None

Serum X

No in-app purchases

Questions

Is Secret Passages Hidden Objects free?
Secret Passages Hidden Objects is free to download, with in-app purchases available.
Is Serum X free?
Serum X is free to download, with no in-app purchases.
Which has better reviews, Secret Passages Hidden Objects or Serum X?
Serum X is rated higher. Secret Passages Hidden Objects averages 1.0 out of 5 from 1 ratings, while Serum X averages 1.6 from 5 ratings.
Do Secret Passages Hidden Objects or Serum X have ads?
Neither Secret Passages Hidden Objects nor Serum X shows ads.
Which is updated more often, Secret Passages Hidden Objects or Serum X?
Secret Passages Hidden Objects ships an update every 130 months, and Serum X every 4 months. Most recently, Secret Passages Hidden Objects was updated on October 15, 2026 and Serum X on October 10, 2026.

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