Comparison

BiblioTech™ Adaptive Reader vs Hidden Objects

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

Head to head
About

BiblioTech™ Adaptive Reader

Engage with an interactive story where your choices shape the narrative and help a character achieve her goals. Learn about the importance of sleep and coding through fun games, puzzles, and expert interviews.

Highlights
  • Branching story with reader choices
  • Interactive games and puzzles
  • Video interviews with experts
  • Digital notebook for notes and definitions
  • Progress saving
  • Tap for instant definitions
Features
Read full description

Help Maya get to CityHacks! CityHacks is finally here, the big coding club for people interested in making games and apps. The club meets on Thursdays and Fridays every week from 8pm to midnight. This is a fantastic opportunity for Maya and her big brother, the only snag is that their mom is concerned about the amount of sleep her kids would lose by joining the club. Help Maya convince her Mom to let her go to CityHacks by taking notes that support her argument. Present these notes to Maya’s mom at the end of the story to see if Maya gets to go to CityHacks. CityHacks: In Search of Sleep is the first in the BiblioTech™ series and is designed to be a complementing interactive reader to the STEM concepts in the Emmy® Award winning public television show Scientastic! Are you sleeping, Dormez vous?, produced by the same team. What is BiblioTech™? BiblioTech™ is a platform for enjoying engaging learning experiences through reading and interactive materials. Learn important factual content, like the science behind why getting enough sleep is so important. And you get to do this while you build your own branching story. Each chapter features a decision point where the reader decides where to go next, which creates 100s of variations on the flow of the story. While reading the story, you’ll be able to take notes in your notebook. Images, illustrations, definitions, and key terms and concepts can be collected in your digital notebook. Interactive items contain games, video interviews, and activities that can give you more notes that you can add to your notebook. By taking notes, you will be able to influence the storyline and help the main character complete her quest. Features include: Unique and Interactive Experiences -Choose how the story unfolds as you read -Play fun games and puzzles -Watch video interviews with real life experts -Interact with colorful charts and graphs Easy-to-use Reading and Note Taking Tools -Turn pages with a swipe -Easy navigation inside the book -Take notes while you read -Tap highlighted words for instant definitions -Automatically save your progress as you read Privacy Policy: http://dynamoid.com/privacy/Bibliotech+Adaptive+Reader

About

Hidden Objects

Embark on a thrilling adventure to unravel the ancient mystery of the Phaistos Disc on the island of Crete. Explore stunning locations, solve puzzles, and uncover secrets from lost civilizations. This game offers a complete, free experience with optional tools available.

Highlights
  • Explore 40+ stunning 360° panoramic scenes
  • Solve intriguing puzzles
  • Uncover secrets of the Phaistos Disc
  • Collect unique artifacts
  • Experience a gripping storyline
  • Discover picturesque locations on Crete
Features
Read full description

Unravel the ancient mystery of the Phaistos Disc, a captivating artifact discovered over a century ago on the enchanting island of Crete. Could its cryptic symbols hold secrets from the lost city of Atlantis or a message from a distant civilization? Embark on a thrilling adventure across Crete to prevent a looming disaster sparked by a failed experiment. Join unforgettable characters as you explore breathtaking locations, solve intriguing puzzles, and uncover the truth behind the Phaistos Disc. This game is COMPLETELY FREE, with the entire adventure open to you—no additional purchases required. Optional tools are available if you choose, but the journey is yours to enjoy fully! What awaits you: + Over 40 stunning 360° panoramic scenes + Vibrant 3D effects and colorful animations + A gripping storyline with unexpected twists + Memorable characters full of charm + Collect unique artifacts as you explore + Discover the beauty of Crete’s most picturesque corners + Enchanting music that draws you into a mystical world Connect with us at www.facebook.com/CrispApp to share your thoughts, ask questions, and stay updated on new adventures!

Screenshots

BiblioTech™ Adaptive Reader3 screens
Hidden Objects4 screens

Verdict

The call

The clearest difference is in-app purchases: BiblioTech™ Adaptive Reader at none against Hidden Objects's 6. BiblioTech™ Adaptive Reader also leads on ads (none vs shown) and rating (5.0 vs 4.6). Hidden Objects's advantage is ratings volume (2.9K vs 1). On price, update cadence 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 Objects sells 6 one-off in-app purchases. BiblioTech™ Adaptive Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BiblioTech™ Adaptive Reader holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Hidden Objects has 2.9K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

BiblioTech™ Adaptive Reader ships an update every 11 months, Hidden Objects every 12 months. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

Scorecard6 real differences · 4 level
BiblioTech™ Adaptive Reader versus Hidden Objects: the parameters behind the verdict, then further details
ParameterBiblioTech™ Adaptive ReaderHidden Objects
PriceFreeFree
Rating5.0 (1 ratings) — better4.6 (2.9K ratings)
Positive reviews—82.6% of reviews
Number of ratings12.9K — better
Update frequencyEvery 11 months — betterEvery 12 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.4
Further details — not scored
Size263 MB157 MB
Age rating4+12+
DeveloperDynamoid, LLCCrisp App Studio

Customer experience

BiblioTech™ Adaptive Reader

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Hidden Objects

All ratings2,891 ratings
Positive89.6%
Neutral7.6%
Negative2.7%
Written reviews138 reviews
Positive82.6%
Neutral8.0%
Negative9.4%

Bugs and requests

BiblioTech™ Adaptive Reader

Not enough reviews yet to summarise bugs or requests.

Hidden Objects

Reported bugs

3 issues
  • Glitch - cannot move bag with letters
  • Locations have disappeared and cannot be accessed
  • Items suddenly appear where they were not previously

Requested features

2 requests
  • Option to turn off music
  • More cities/locations to explore

In-app purchases

None

BiblioTech™ Adaptive Reader

No in-app purchases

6 purchases

Hidden Objects

One-time6
  • Hidden Objects : Preview Hints$0.99
  • Instant Hint$1.99
  • Time Machine$1.99
Show 3 more
  • No ads$2.99
  • Gold Master Special$3.99
  • Master Pack: All-included$6.99

Questions

Is BiblioTech™ Adaptive Reader free?
BiblioTech™ Adaptive Reader is free to download, with no in-app purchases.
Is Hidden Objects free?
Hidden Objects is free to download, with in-app purchases available.
Which has better reviews, BiblioTech™ Adaptive Reader or Hidden Objects?
BiblioTech™ Adaptive Reader is rated higher. BiblioTech™ Adaptive Reader averages 5.0 out of 5 from 1 ratings, while Hidden Objects averages 4.6 from 2.9K ratings.
Do BiblioTech™ Adaptive Reader or Hidden Objects have ads?
Hidden Objects shows ads; BiblioTech™ Adaptive Reader does not.
Which is updated more often, BiblioTech™ Adaptive Reader or Hidden Objects?
BiblioTech™ Adaptive Reader ships an update every 11 months, and Hidden Objects every 12 months. Most recently, BiblioTech™ Adaptive Reader was updated on November 4, 2026 and Hidden Objects on November 6, 2026.

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