Comparison

Discovery World Hidden Object vs Terra Merge

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

Head to head
About

Discovery World Hidden Object

Features
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********** Discovery World Hidden Object ************ Welcome to Discovery World Hidden Object, a fun and relaxing visual puzzle adventure where your observation skills are put to the test. Explore beautifully illustrated scenes and search carefully to find cleverly hidden objects. Each level is designed to challenge your eyes and attention, starting easy and gradually becoming more difficult as you progress. The game features 14 handcrafted levels with increasing complexity. From Level 5 onward, the challenge intensifies with a 5-minute timer and up to 50 hidden objects to find. The faster you complete the level, the more stars you earn. If you get stuck, helpful hints are available to guide you and keep the fun going. Game Features: • 14 levels with smooth difficulty progression • Find 29 to 50 hidden objects in detailed scenes • Timer-based star reward system for skilled players • Helpful hints when you need assistance • Easy to play, challenging to master • Clean, colorful, and engaging artwork • Suitable for all ages Train your brain, improve your focus, and enjoy the satisfaction of spotting every hidden item. Can you discover them all before the time runs out? Start your hidden object adventure today.

About

Terra Merge

A merge-3 puzzle game focused on planetary terraforming. Players gather resources, unlock new worlds, and guide humanity's cosmic expansion.

Highlights
  • Merge-3 gameplay
  • Planetary terraforming
  • Resource gathering
  • Unlock new planets
  • Cosmic exploration
Features
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Merge-3 Game that promotes the terraforming of planets. You'll need to gather resources, unlock new planets and lead humanity journey across the cosmos.

Screenshots

Discovery World Hidden Object4 screens
Terra Merge4 screens

Verdict

The call

The clearest difference is ads: Discovery World Hidden Object at none against Terra Merge's shown. Terra Merge's advantage is update cadence (weekly vs every 63 months). On price, in-app purchases, device support and iOS requirement 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

Discovery World Hidden Object ships an update every 63 months, Terra Merge weekly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
Discovery World Hidden Object versus Terra Merge: the parameters behind the verdict, then further details
ParameterDiscovery World Hidden ObjectTerra Merge
PriceFreeFree
Rating—3.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 63 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size125 MB228 MB
Age rating4+4+
DeveloperDipak KeshariyaEzgi Evrensel

In-app purchases

None

Discovery World Hidden Object

No in-app purchases

None

Terra Merge

No in-app purchases

Questions

Is Discovery World Hidden Object free?
Discovery World Hidden Object is free to download, with no in-app purchases.
Is Terra Merge free?
Terra Merge is free to download, with no in-app purchases.
Do Discovery World Hidden Object or Terra Merge have ads?
Terra Merge shows ads; Discovery World Hidden Object does not.
Which is updated more often, Discovery World Hidden Object or Terra Merge?
Discovery World Hidden Object ships an update every 63 months, and Terra Merge weekly. Most recently, Discovery World Hidden Object was updated on November 6, 2026 and Terra Merge on November 3, 2026.

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