Comparison

Once Human vs Blue Protocol

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

Head to head
About

Once Human

Embark on a multiplayer survival adventure in a post-apocalyptic world overrun by an alien substance. Team up with friends to battle monstrous creatures, build a sanctuary, and uncover the truth behind the world's collapse. Harness supernatural powers to fight, rebuild, or dominate.

Highlights
  • Multiplayer open-world survival
  • Post-apocalyptic setting
  • Base building and customization
  • Battle monstrous aberrations
  • Harness supernatural powers
  • Team up with friends
  • Collect and train Deviation Pals
Read full description

Once Human is a Strange Worlds Survival Game set in a bizarre, apocalyptic world. Fight side by side with friends for survival resources, build your home territory, and overcome the terrifying unknown together as you uncover the truth behind the fall of the world. You were once human. Do you still hold the answer to what it means to be human? World Awakened They were buses, TVs, and chairs. Now they walk, speak, and stare. Scavenge or Die Old-world scrap keeps you alive. Anomalies power your gear and home. Squad Up Capture the Anomalies you defeat. Yesterday's enemy is tomorrow's ally. Craft Weapons Turn scrap and Anomaly power into hundreds of deadly, custom weapons. Build Your Home They chop wood, mine ore, and tend fields. This home runs on all of you. Become Them Shed your humanity. Fuse with defeated Anomalies and wield their power. Continuous Meta Pass Subscription Activation Instructions 1. MonthlyMeta Pass Activation Instructions --Subscription Period: 1 Month --Subscription Price: 4.99 USD per month 2. Other Rules --Payment: Charges will be deducted via the user's iTunes account. Payment is made upon user confirmation of purchase. --Renewal: The Apple iTunes account will be charged within 24 hours before expiration. Upon successful payment, the subscription period will be extended by one subscription cycle. --Cancel Renewal: To cancel renewal, please operate at least 24 hours before the current billing period ends. Operation method: From the Home page, go to [Settings] —> Tap [iTunes Store & App Store] —> Tap [Apple ID], select [View Apple ID] —> [Account Settings] —> Tap [Subscriptions], then tap [Cancel Subscription]. --NetEase Games License and Service T&c: https://protocol.unisdk.easebar.com/release/latest_v487.html --NetEase Games Privacy Policy: https://protocol.unisdk.easebar.com/release/latest_v475.html

About

Blue Protocol

Embark on an anime-style MMORPG adventure in a vast fantasy world. Explore, customize your character, and team up with friends for challenging raids and social activities. Enjoy a rich open world with diverse combat roles and extensive character customization.

Highlights
  • Anime-style fantasy world
  • Vast open-world exploration
  • Deep character customization
  • Dynamic combat roles
  • Multiplayer party raids
  • Guild activities and social events
Read full description

Blue Protocol: Star Resonance is an anime-style multiplayer adventure MMORPG set in the world of Bandai Namco’s PROJECT SKY BLUE IP. Blending anime-inspired visuals with engaging social features, 9 unique classes, and cooperative multiplayer dungeons, the game invites players to explore the vast world of Regnus. The 1st Anniversary celebration is officially underway! Season 4 “Lightchase Oath” brings a massive wave of new content and rewards. Log in to claim Rose Orbs ×1,111, a Lv. 320 Epic Gear Chest, and more! The limited-time Seabreeze Festival Celebration is also available, featuring fun activities including Starlight Fireworks and Fireworks Trivia! ▶ New Map: Montegnor Valley Discover breathtaking canyon landscapes, spectacular waterfalls, and untouched natural beauty. Ancient ruins lie scattered deep within the valley, waiting for adventurers to uncover the secrets of a forgotten past. ▶ New Main Story: “Daydreams & Songs of the Night” A distress letter from Fafala, strange phenomena in the village, and a mysterious melody that echoes through the night… Follow the clues and uncover a truth far deeper than you imagined. A brand-new mystery awaits—will you be the one to reveal what lies behind the song? ▶ New Dungeons From “Mirror Judgment” to “Cavern Zero,” six brand-new dungeons will be released progressively throughout the season. Challenge yourself, earn Lv. 320+ gears, and collect exclusive seasonal cosmetics! ▶ "Eternal Radiance" Weapon A brand-new weapon system featuring two ways to obtain new weapons and stunning new weapon skins. Upgrade your existing weapons or forge new ones from scratch to create the ultimate weapon for your adventure. ▶ Seasonal Progression: Matrix Manifestation System Psychoscopes receive brand-new designs, alongside the introduction of the Imprint system. Choose from a variety of Psychoscope effects and freely customize your build to create the combat style that suits you best. ▶ 14 New Battle Imagines New Montegnor Valley bosses join the Battle Imagines roster, bringing new skills, combinations, and strategies to the battlefield. Website: https://www.playbpsr.com X: https://x.com/BPSR_Official Youtube: https://www.youtube.com/@BPSR_Official Discord: https://discord.gg/starresonance Tiktok: https://www.tiktok.com/@bpsr_official Kwai: https://k.kwai.com/u/@BPSR_Official/try0xzCJ Term of Use: https://www.playbpsr.com/terms Privacy Policy: https://www.playbpsr.com/privacy

Screenshots

Once Human4 screens
Blue Protocol4 screens

Verdict

The call

The clearest difference is update cadence: Once Human at monthly against Blue Protocol's every 2 months. Once Human also leads on chart position (#53 vs unranked) and ratings volume (18K vs 4.7K). On price, rating, review sentiment and ads 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. Once Human sells 16 one-off in-app purchases and Blue Protocol sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Once Human against 4.7 for Blue Protocol. Both are backed by a comparable volume of ratings — 18K and 4.7K respectively. Written reviews are what separate them: 58% of Once Human's written reviews are positive against 52% of Blue Protocol's.

UpkeepUpdate frequency

Once Human ships an update monthly, Blue Protocol every 2 months. Both last shipped on October 25, 2026.

Scorecard4 real differences · 7 level
Once Human versus Blue Protocol: the parameters behind the verdict, then further details
ParameterOnce HumanBlue Protocol
PriceFreeFree
Rating4.6 (18K ratings)4.7 (4.7K ratings) — better
Positive reviews58.0% of reviews — better52.2% of reviews
Number of ratings18K — better4.7K
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#53 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size3.7 GB3.3 GB
Age rating17+12+
DeveloperNETEASE INTERACTIVE ENTERTAINMENT PTE. LTDA PLUS JAPAN Inc.

Customer experience

Once Human

All ratings17,968 ratings
Positive90.1%
Neutral3.4%
Negative6.5%
Written reviews2,346 reviews
Positive58.0%
Neutral11.2%
Negative30.8%

Blue Protocol

All ratings4,660 ratings
Positive91.5%
Neutral3.0%
Negative5.5%
Written reviews513 reviews
Positive52.2%
Neutral13.1%
Negative34.7%

User reviews

Once Human

From 18K App Store ratings

What we love

  • 🚀 Great game with immersive graphics
  • 👍 Solid gameplay mechanics
  • 💡 Unique and challenging features
  • 🎮 Enjoyable on both PC and mobile

Room to improve

  • 🐛 Occasional performance and graphics issues
  • 🔋 High storage requirements on mobile
  • 🕹️ Lack of controller support on mobile

Blue Protocol

From 4.7K App Store ratings

What we love

  • 👍 Great combination of RPG and anime-like characters
  • 👍 Unique character customization
  • 🚀 Hype for the game release

Room to improve

  • 🐛 Update failed due to insufficient storage
  • 🐛 Some bugs reported

Bugs and requests

Once Human

Reported bugs

3 issues
  • Network errors preventing login
  • Stuck on character creation screen
  • Persistent bugs with garage and storage

Requested features

3 requests
  • Improved mobile controls and responsiveness
  • More customization options for character and base
  • Seamless cross-platform progression

Blue Protocol

Reported bugs

2 issues
  • Update failed due to insufficient storage
  • Some bugs reported

Requested features

1 request
  • None

In-app purchases

16 purchases

Once Human

One-time16
  • Shining New Star Selection Pack$0.99
  • Abyssal Whale Dream Gift Pack$0.99
  • 60 Crystgin$0.99
Show 13 more
  • Shining Newbie Pack$0.99
  • 330 Crystgin$4.99
  • Meta Pass$4.99
  • Battle Pass (Advanced)$9.99
  • Battle Pass (Upgrade)$13.99
  • 1090 Crystgin$14.99
  • Golden Accord: Astral Ride$14.99
  • Reward Covenant$19.99
  • Battle Pass (Deluxe)$21.49
  • Battle Pass (Deluxe)$23.99
  • 2280 Crystgin$29.99
  • 3880 Crystgin$49.99
  • 7880 Crystgin$99.99
13 purchases

Blue Protocol

One-time13
  • Rose Orb Pack 60$0.99
  • Street Skater$0.99
  • Airona's Special$2.99
Show 10 more
  • Rose Orb Pack 300$4.99
  • Monthly Card$4.99
  • Rose Orb Pack 980$14.99
  • Ember Pass Ⅰ - Supreme$19.99
  • Void Pass Ⅰ - Supreme$19.99
  • Dream Pass Ⅰ - Supreme$19.99
  • Void Pass Ⅱ - Supreme$19.99
  • Rose Orb Pack 1980$29.99
  • Rose Orb Pack 3280$49.99
  • Rose Orb Pack 6480$99.99

Questions

Is Once Human free?
Once Human is free to download, with in-app purchases available.
Is Blue Protocol free?
Blue Protocol is free to download, with in-app purchases available.
Which has better reviews, Once Human or Blue Protocol?
Blue Protocol is rated higher. Once Human averages 4.6 out of 5 from 18K ratings, while Blue Protocol averages 4.7 from 4.7K ratings.
Do Once Human or Blue Protocol have ads?
Neither Once Human nor Blue Protocol shows ads.
Which is updated more often, Once Human or Blue Protocol?
Once Human ships an update monthly, and Blue Protocol every 2 months. Most recently, Once Human was updated on October 25, 2026 and Blue Protocol on October 25, 2026.

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