Comparison

Royal Defense TD vs Lost Artifacts Chapter 3

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

Head to head
About

Royal Defense TD

Defend your castle from invading trolls by strategically building towers and casting powerful spells. Upgrade your defenses and units to overcome increasingly challenging waves of enemies in an epic story of a dwarven kingdom's struggle.

Highlights
  • Strategic tower construction
  • Spellcasting abilities
  • Unit and tower upgrades
  • Exciting storyline
  • Variety of units and structures
  • Enemy slowdown and damage over time effects
Features
Read full description

The castle needs a hero – hordes of trolls are surrounding it! Build towers, save money, learn spells, and keep the enemy away! Follow the exciting story of the dwarven kingdom's eternal struggle against the troll hordes, who want only to crush the dwarves and claim their territory. To defeat these monstrous hordes, you must construct defensive towers and units and learn to wield powerful spells. Tap anywhere you like for a handy pop-up menu listing all the units and structures that can be built in each location. Tap existing structures to see how you can upgrade your forces with powerful improvements! All your towers and units have specific stats: Damage, Fire rate, Damage radius, Damage type, as well as various other features, such as Enemy Slowdown and Damage Over Time. Each level also brings new units and structures to help you fight the troll menace. You’ll never be lacking for new and exciting ways of decimating those nasty trolls!

About

Lost Artifacts Chapter 3

Embark on a casual strategy adventure to stop an Emperor's world-domination plan. Restore statues, build structures, and overcome challenges across diverse mythical landscapes. Enjoy a fun storyline with over 40 levels and engaging gameplay.

Highlights
  • Restore statues and build structures
  • Over 40 unique levels
  • Engaging storyline with comics
  • Resource management
  • Four distinct locations
  • Useful in-game bonuses
Read full description

After the Soulstone is stolen during an auction in the national museum, Claire and her loyal helpers witnessed the revival of the terracotta army and its Emperor. The Emperor wishes to take over the world by awakening a dragon from the crater of a volcano, but our heroes have other ideas. Go on a journey through a country full of legends and myth in the exciting casual strategy game Lost Artifacts: Soulstone. Many varied quests, over 40 levels, a fun storyline, simple and captivating gameplay and a mysterious world – all this awaits you now! Restore statues, build epic buildings, overcome challenges and manage resources. Simple controls and an easy to understand tutorial will help you easily grasp the basics of the game. Lost Artifacts: Soulstone – Stop the terracotta army! -A world full of legends and fairy tales – ancient monkey statues and dragon fountains give you strength on your journey. -A fun storyline, colorful comics and memorable characters! -Many varied quests that you’ve never seen before. -Over 40 unique levels. -Dangerous enemies: the Terracotta Army, archers, snakes and stone lions. -4 unique locations: a ruined city, a vast desert, a forest wilderness and snowy mountains. -Useful bonuses: speed up work, stop time, run fast. -Simple controls and a clear tutorial. -Over 20 hours of exciting gameplay for any age. -Fun themed music.

Screenshots

Royal Defense TD4 screens
Lost Artifacts Chapter 34 screens

Verdict

The call

The clearest difference is review sentiment: Royal Defense TD at 38% against Lost Artifacts Chapter 3's 0%. Royal Defense TD also leads on ads (none vs shown) and update cadence (every 7 months vs every 27 months). Lost Artifacts Chapter 3's advantage is rating (4.5 vs 4.2). 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. Royal Defense TD sells 13 one-off in-app purchases and Lost Artifacts Chapter 3 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Lost Artifacts Chapter 3 holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 5 and 11 respectively. Written reviews complicate that: 38% of Royal Defense TD's written reviews are positive against 0% of Lost Artifacts Chapter 3's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Royal Defense TD ships an update every 7 months, Lost Artifacts Chapter 3 every 27 months. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Royal Defense TD versus Lost Artifacts Chapter 3: the parameters behind the verdict, then further details
ParameterRoyal Defense TDLost Artifacts Chapter 3
PriceFreeFree
Rating4.2 (5 ratings)4.5 (11 ratings) — better
Positive reviews38.2% of reviews — better0.0% of reviews
Number of ratings511 — better
Update frequencyEvery 7 months — betterEvery 27 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS8.0 — better13.0
Further details — not scored
Size190 MB713 MB
Age rating9+4+
Developer8Floor Company Limited8FLOOR LTD

Customer experience

Royal Defense TD

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews34 reviews
Positive38.2%
Neutral5.9%
Negative55.9%

Lost Artifacts Chapter 3

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

13 purchases

Royal Defense TD

One-time13
  • Buy 50 Gems$0.99
  • Base health$0.99
  • Unlock all levels in episode 1$0.99
Show 10 more
  • Unlock episode 4$0.99
  • Unlock episode 6$0.99
  • Unlock all levels in episode 5$0.99
  • Unlock all levels in episode 6$0.99
  • Unlock all levels in episode 2$0.99
  • Buy 150 Gems$2.99
  • Add 5 energy to maximum$2.99
  • Buy 300 Gems$4.99
  • Buy 500 Gems$9.99
  • 1000 gems$19.99
4 purchases

Lost Artifacts Chapter 3

One-time4
  • Start offer$7.99
  • One minute offer$8.99
  • Season offer$10.99
Show 1 more
  • Full price$14.99

Questions

Is Royal Defense TD free?
Royal Defense TD is free to download, with in-app purchases available.
Is Lost Artifacts Chapter 3 free?
Lost Artifacts Chapter 3 is free to download, with in-app purchases available.
Which has better reviews, Royal Defense TD or Lost Artifacts Chapter 3?
Lost Artifacts Chapter 3 is rated higher. Royal Defense TD averages 4.2 out of 5 from 5 ratings, while Lost Artifacts Chapter 3 averages 4.5 from 11 ratings.
Do Royal Defense TD or Lost Artifacts Chapter 3 have ads?
Lost Artifacts Chapter 3 shows ads; Royal Defense TD does not.
Which is updated more often, Royal Defense TD or Lost Artifacts Chapter 3?
Royal Defense TD ships an update every 7 months, and Lost Artifacts Chapter 3 every 27 months. Most recently, Royal Defense TD was updated on October 15, 2026 and Lost Artifacts Chapter 3 on October 24, 2026.

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