Comparison

Only One vs Watcher Chronicles

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

Head to head
About

Only One

Engage in an epic arena-style sword fighting game where you push waves of enemies off a sky pillar to survive. Master physics-based combat, utilize magical abilities, and upgrade your character to overcome over 90 waves and 9 bosses. Choose from multiple character classes and compete on leaderboards.

Highlights
  • Physics-based sword combat
  • Parry and shield mechanics
  • Character upgrades and abilities
  • Multiple character classes
  • Over 90 waves and 9 bosses
  • Endless Battle mode
  • Gamepad support
Features
Read full description

Pick up a magic sword and fight atop the Pillar of Sacrifice. Master timing and positioning to push enemies off the edge. How long can you survive to become the only one left standing? TouchArcade - 4.5/5 "Game with depth well beyond what you would expect" PocketGamer - 9/10 "A brilliantly paced, sharp-edged brawler " One of the best hack and slash games on mobile, Only One is an epic arena style sword fighting game where you battle and push waves of enemies off the pillar in the sky with your magical sword. You don't fight for glory, you fight to survive! Skill Based Melee Combat - Physics based combat with parry and push mechanics - Fight swordsmen, archers, slimes, skeletons, bats, berserkers, loot gnomes, wizards and more - Defeat enemies for their loot or knock them off the pillar for instant kills and extra points - Collect health to stay alive and shields to block attacks - Absorb the power of fallen enemies to grow stronger - 6 active abilities: push, freeze, dart, whirlwind, bubble and inferno - 8 passive abilities: last stand, might, magnet, cripple, reflektor, bloodlust, regen and backstab Game Modes - Quest: Fight through 100 levels with bosses every 10 stages - Endless: Survive against endless waves as long as you can - Trials: Take on intense challenges, earn stars, and unlock new trials Unlock the Full Experience - The “Ultimate Power” in-app purchase unlocks the complete game Purchase unique character classes like the barbarian, ninja, valkyrie, dwarf and only one with unique abilities and weaknesses Retro pixel art graphics and music GameCentre leaderboards and achievements Customizable controls: floating or fixed joystick Full offline support Gamepad compatible

About

Watcher Chronicles

Embark on a challenging 2D souls-like ARPG adventure through a purgatorial realm. Battle over 20 bosses, explore interconnected areas, and master fast-paced, skill-based combat. Upgrade your hero with diverse weapons and magic, and enjoy local co-op multiplayer.

Highlights
  • Challenging souls-like combat
  • Large interconnected world exploration
  • Local co-op multiplayer
  • Powerful magic spells
  • Diverse weapon types
  • Robust RPG system
  • Over 20 relentless bosses
Features
Read full description

Play the first area for free. In-app purchase the full game. 14+ hours first playthrough with new game+. Full controller support. Cloud save support. Become a glutton for punishment and persevere against 20+ merciless bosses and legions of skeletal nightmares in this savage yet charming 2D souls-like. Purgatory has been invaded by an unholy threat. A group of fallen ones called “The Watchers” now seek to transform it into a new hell. Lost souls must unite or face utter annihilation… Fast Skill Based Combat - Challenging but fair souls-like combat with tight and finely tuned controls. Dodge, block, and slice your way through enemies. Large Interconnected World - Explore every crack of a purgatorial realm filled with secrets and game changing loot in a non-linear fashion. Local Co-op Multiplayer - Connect 2 controllers and take on the entire game in local co-op with a friend! Powerful Magic - Incinerate enemies with waves of fire, lightning, and void or summon the horde with powerful necromancy. Unique Weapons - Giant swords, blade staffs, scythes, polearms, and more to discover and master. Weapon types all have different move sets that completely changes up the gameplay. Robust Streamlined RPG System - Carefully upgrade your hero to match your play style and build out your own unique character class. Discover 100+ upgradable armor, weapons, and rings to specialize your build. Relentless Bosses - Battle over 20+ finely tuned and challenging bosses that require careful planning and significant skill to take down. New Game Plus - Keep your gear when finishing the game and continue the journey with increasingly harder difficulties. Oh and you will die... a lot... Now go forth gamer... Existence itself hangs in the balance... Hit the download button and the first step of your long journey has begun!

Screenshots

Only One4 screens
Watcher Chronicles4 screens

Verdict

The call

The clearest difference is ads: Watcher Chronicles at none against Only One's shown. Watcher Chronicles also leads on update cadence (every 3 days vs weekly). Only One's advantage is rating (4.7 vs 4.3) and review sentiment (88% vs 64%). On price, in-app purchases, monetization model 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. Only One sells 10 one-off in-app purchases and Watcher Chronicles sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Only One holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Only One has 6.3K ratings behind it against 255, so its average is the more settled of the two. Written reviews point the same way: 88% of Only One's written reviews are positive against 64% of Watcher Chronicles's.

UpkeepUpdate frequency

Only One ships an update weekly, Watcher Chronicles every 3 days. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

Scorecard5 real differences · 5 level
Only One versus Watcher Chronicles: the parameters behind the verdict, then further details
ParameterOnly OneWatcher Chronicles
PriceFreeFree
Rating4.7 (6.3K ratings) — better4.3 (255 ratings)
Positive reviews87.6% of reviews — better64.3% of reviews
Number of ratings6.3K — better255
Update frequencyWeeklyEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size65 MB964 MB
Age rating12+12+
DeveloperErnest SzokaThird Sphere Game Studios LLC

Customer experience

Only One

All ratings6,280 ratings
Positive95.0%
Neutral2.8%
Negative2.3%
Written reviews387 reviews
Positive87.6%
Neutral4.1%
Negative8.3%

Watcher Chronicles

All ratings255 ratings
Positive82.0%
Neutral4.7%
Negative13.3%
Written reviews56 reviews
Positive64.3%
Neutral12.5%
Negative23.2%

User reviews

Only One

From 6.3K App Store ratings

What we love

  • 🚀 Simple yet fun gameplay
  • 👍 Addictive and engaging
  • 🕹️ Smooth controls
  • 💎 Great value for free game
  • 🎮 Nostalgic pixel art style

Room to improve

  • 🐛 Joystick issues and control bugs
  • 💰 Expensive in-app purchases
  • 🔁 Repetitive gameplay
  • 🕹️ Slow character movement

Watcher Chronicles

From 255 App Store ratings

What we love

  • 🎮 Excellent 2D souls-like gameplay mechanics
  • 🎨 Beautiful art style and graphics
  • ⚔️ Challenging but fair combat system
  • 💰 Good value for $8 price point
  • 🏆 Well-designed bosses and enemy variety

Room to improve

  • 🎮 Clunky and non-customizable touch controls
  • ⏱️ Noticeable input delay between actions
  • 🗺️ Poor map system and navigation
  • 💸 Misleading free-to-play marketing (actually paid demo)
  • 📦 Large file size (1.5-2GB) for mobile

Bugs and requests

Only One

Reported bugs

3 issues
  • Joystick stops working randomly
  • Purchases not restoring after reinstall
  • Stuck in certain levels due to bugs

Requested features

4 requests
  • Multiplayer mode
  • More enemy and level variety
  • Ability to unlock characters without paying
  • Improved save/restore functionality

Watcher Chronicles

Reported bugs

6 issues
  • Game doesn't load or crashes on startup
  • Arrow marker gets stuck and blocks pause menu
  • Touch input registers unintended actions
  • Game requires 2GB free storage to function properly
  • Healing mechanic unclear or non-functional
Show 1 more
  • Unresponsive controls with touch swipe interference

Requested features

12 requests
  • Customizable touch control placement and size
  • Comprehensive in-game tutorial and help menu
  • Improved map system with biome divisions
  • More weapon attack patterns and combo system
  • Parry mechanics that deflect projectiles and reduce posture
Show 7 more
  • Boss-specific unique weapon/armor drops
  • Ability to cancel potion drinking animation
  • Discord server for community feedback
  • New Game+ mode
  • Stronger weapon balance for slow/heavy weapons
  • Faster attack speeds for short-range weapons
  • Clearer stat scaling explanations

In-app purchases

10 purchases

Only One

One-time10
  • Valkyrie$3.99
  • Assassin$3.99
  • Dwarf$3.99
Show 7 more
  • Barbarian$3.99
  • 6000 Power$4.99
  • Ultimate Power$5.99
  • 14000 Power$9.99
  • 26000 Power$14.99
  • The Only One$19.99
  • 64000 Power$29.99
1 purchases

Watcher Chronicles

One-time1
  • Watcher Chronicles Full Game$7.99

Questions

Is Only One free?
Only One is free to download, with in-app purchases available.
Is Watcher Chronicles free?
Watcher Chronicles is free to download, with in-app purchases available.
Which has better reviews, Only One or Watcher Chronicles?
Only One is rated higher. Only One averages 4.7 out of 5 from 6.3K ratings, while Watcher Chronicles averages 4.3 from 255 ratings.
Do Only One or Watcher Chronicles have ads?
Only One shows ads; Watcher Chronicles does not.
Which is updated more often, Only One or Watcher Chronicles?
Only One ships an update weekly, and Watcher Chronicles every 3 days. Most recently, Only One was updated on October 11, 2026 and Watcher Chronicles on September 30, 2026.

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