Comparison

Hidden Objects Coastal Hill vs Time Machine

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

Head to head
About

Hidden Objects Coastal Hill

Embark on a puzzle adventure in a mysterious city shrouded in darkness. Search for hidden objects, solve puzzles, and battle creatures to uncover secrets and restore a haunted mansion. Features include avatar customization, collectible items, and social guild features.

Highlights
  • 5000+ quest puzzles
  • Card fights with monsters
  • Avatar customization
  • Design and restore mansion
  • 60+ locations to search
  • 18 game modes
  • Collect 1600+ items
Features
Read full description

You woke up in a town that seems to remember you… even though you don't remember it. Search for hidden objects, discover clues, solve puzzles, battle sinister creatures, and restore a haunted mansion as you investigate the mystery surrounding Coastal Hill. Every discovery brings you closer to the truth—and deeper into the town's secrets. IMMERSE YOURSELF IN A MYSTERIOUS STORY Every resident seems to know more than they're willing to share. Search and find hidden objects, spot the clues, solve brain teasers, and meet intriguing characters as you uncover what lies beneath the city's peaceful facade. EXPLORE 60+ DETAILED SCENES Seek and find objects across more than 60 stunning locations. Complete over 5,000 quests, collect more than 1,600 unique items, and master 18 search modes, including Spot the Difference, Silhouettes, Find Pairs, and more. DECORATE AN OLD MANSION Bring a haunted mansion back to life and uncover the secrets hidden within its walls. Renovate rooms, choose decorations, and create a home that reflects your style. CREATE YOUR AVATAR Customize your character with unique hairstyles, outfits, boots, and accessories that provide useful power-ups and bonuses. TEAM UP WITH FRIENDS Start your own guild, invite your friends and compete with players from around the world. Find hidden objects, fight monsters in card-matching battles, build Wonders of the World, complete mystery adventure quests, and enjoy a wide variety of mini-games, including Three Tiles, Puzzles, Mahjong, Flasks, Bingo, Words, and more. Coastal Hill is a free game, but some in-game items may be purchased for real money. The mystery continues every month with new hidden object scenes, investigation quests, seasonal events, collectibles, and generous rewards. Join our official communities and stay tuned on the latest news, interesting facts, and more cool stuff: Facebook https://www.facebook.com/coastalhillmystery Instagram https://www.instagram.com/coastalhillmystery If you have any questions or comments, feel free to contact us at info@adoregames.com or use in-game chat. Privacy Policy: http://o.adoregames.com/privacy-policy Terms of Use: http://o.adoregames.com/terms-of-service

About

Time Machine

Embark on a thrilling hidden object adventure across time. Solve mysteries, find objects, and restore disassembled items in vibrant, animated 3D environments. Replay scenes for new challenges and rewards.

Highlights
  • Hidden object searching
  • Spot the differences
  • Puzzles
  • Object restoration
  • Time travel exploration
  • Collectible rewards
Features
Read full description

Immerse yourself in an exciting adventure through space and time! Herbert Fink, a young scientist, faces difficult yet fascinating challenges. An ordinary trip out of town turns into a real investigation, full of intrigue and mysterious temporal anomalies! The game is TRULY FREE, the whole adventure is open to you without any additional purchases - it's entirely up to you to buy optional tools. Colorful scenery, animation, and 3D visual effects will make your adventure vivid and fun. Those with a competitive streak can collect bonuses for speed and repeat the quest with new puzzles. Game features: - A variety of tasks: searching for items, spotting the differences, puzzles, restoration of disassembled objects - Explore game locations in the past and in the present! - Build your collection. Go through scenes again to try new quests and get new rewards! - Use free hints! We'll be happy to stay in touch with you at www.facebook.com/CrispApp - make comments, ask questions, get news about coming games!

Screenshots

Hidden Objects Coastal Hill4 screens
Time Machine4 screens

Verdict

The call

The clearest difference is ads: Hidden Objects Coastal Hill at none against Time Machine's shown. Hidden Objects Coastal Hill also leads on update cadence (every 2 weeks vs every 5 months) and review sentiment (87% vs 64%). Time Machine's advantage is iOS requirement (13.4 vs 15.0). On price, ratings volume, 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. Hidden Objects Coastal Hill sells 13 one-off in-app purchases and Time Machine sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Hidden Objects Coastal Hill holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 5.3K and 4.5K respectively. Written reviews point the same way: 87% of Hidden Objects Coastal Hill's written reviews are positive against 64% of Time Machine's.

UpkeepUpdate frequency

Hidden Objects Coastal Hill ships an update every 2 weeks, Time Machine every 5 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard5 real differences · 5 level
Hidden Objects Coastal Hill versus Time Machine: the parameters behind the verdict, then further details
ParameterHidden Objects Coastal HillTime Machine
PriceFreeFree
Rating4.7 (5.3K ratings) — better4.5 (4.5K ratings)
Positive reviews86.7% of reviews — better64.2% of reviews
Number of ratings5.3K — better4.5K
Update frequencyEvery 2 weeks — betterEvery 5 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.4 — better
Further details — not scored
Size403 MB227 MB
Age rating9+9+
DeveloperAdoreStudio Ltd.Crisp App Studio

Customer experience

Hidden Objects Coastal Hill

All ratings5,251 ratings
Positive96.2%
Neutral1.5%
Negative2.3%
Written reviews1,145 reviews
Positive86.7%
Neutral3.9%
Negative9.3%

Time Machine

All ratings4,488 ratings
Positive87.4%
Neutral8.9%
Negative3.7%
Written reviews106 reviews
Positive64.2%
Neutral8.5%
Negative27.4%

User reviews

Hidden Objects Coastal Hill

From 5.3K App Store ratings

What we love

  • 🚀 Interesting hidden object game
  • 👍 Fun and exciting
  • 👍 Variety of gameplay
  • 👍 Challenging without being frustrating
  • 👍 Keeps the mind sharp

Room to improve

  • 🐛 Glitches and technical issues
  • 💰 Expensive to play well
  • 💰 Increasing costs with updates
  • ⏱️ Timed tasks can be too difficult
  • 🤔 Confusing mechanics and progression

Time Machine

From 4.5K App Store ratings

What we love

  • 🚀 Lots of fun
  • 👍 Challenging but enjoyable
  • 🎨 Great graphics
  • 🎶 Enjoyable music
  • 🧠 Good brain exercise

Room to improve

  • 🚧 Too many ads
  • 🔍 Difficult to see objects
  • 🕹️ Repetitive gameplay
  • 🤔 Unclear progression
  • 🕰️ Short game length

Bugs and requests

Hidden Objects Coastal Hill

Reported bugs

4 issues
  • Frequent crashes and login issues
  • Lost progress and rewards
  • Inconsistent performance after updates
  • Disappearing items and currencies

Requested features

6 requests
  • Dark mode option
  • Better communication from developers
  • Improved technical support
  • More lenient timed tasks
  • Ability to gift items to new players
Show 1 more
  • Separate servers for competitive teams

Time Machine

Reported bugs

2 issues
  • Missing/incorrect objects
  • Glitches with certain features

Requested features

4 requests
  • More levels and content
  • Zoom functionality
  • Customizable brightness/contrast
  • Better instructions and guidance

In-app purchases

13 purchases

Hidden Objects Coastal Hill

One-time13
  • Puzzles solving pack$0.99
  • One-Time Offer$0.99
  • 10 Crystals$1.99
Show 10 more
  • Medium Train Offer$2.99
  • Adventure welcoming pack$3.99
  • 30 Crystals$4.99
  • VIP Daily Tasks Reward$4.99
  • Road Pass$4.99
  • Big Train Offer$4.99
  • Ascent Pass$6.99
  • 65 Crystals$9.99
  • VIP Pass - boost your progress$9.99
  • 145 Crystals$19.99
8 purchases

Time Machine

One-time8
  • Instant Hint$0.99
  • Preview Hints Pack$0.99
  • Handful of Coins$0.99
Show 5 more
  • Infinity Energy + No Ads$1.99
  • Bag with Coins$2.99
  • GoldMaster Special$3.99
  • Сhest with Coins$4.99
  • Master Pack: All-included$7.99

Questions

Is Hidden Objects Coastal Hill free?
Hidden Objects Coastal Hill is free to download, with in-app purchases available.
Is Time Machine free?
Time Machine is free to download, with in-app purchases available.
Which has better reviews, Hidden Objects Coastal Hill or Time Machine?
Hidden Objects Coastal Hill is rated higher. Hidden Objects Coastal Hill averages 4.7 out of 5 from 5.3K ratings, while Time Machine averages 4.5 from 4.5K ratings.
Do Hidden Objects Coastal Hill or Time Machine have ads?
Time Machine shows ads; Hidden Objects Coastal Hill does not.
Which is updated more often, Hidden Objects Coastal Hill or Time Machine?
Hidden Objects Coastal Hill ships an update every 2 weeks, and Time Machine every 5 months. Most recently, Hidden Objects Coastal Hill was updated on September 24, 2026 and Time Machine on September 22, 2026.

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