PRINCIPLES PROLOGUE vs Once Human
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
PRINCIPLES PROLOGUE
Explore a mysterious underground world filled with ancient ruins and advanced technology. High-definition graphics and spatial audio immerse you in an abyssal environment as you uncover the secrets of a hidden cave.
- High-definition graphics
- Spatial audio
- Abyssal underground world
- Mysterious ancient ruins
- Explorer narrative
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COLOPL has established a new brand "COLOPL Creators" for the purpose of sharing advanced technology!! Experience the latest technology through this app! - Overview - During the expedition, the explorer fell through a crack in the rock into a cave. There were traces of human presence and mysterious ancient ruins. And then she steps into the darkness... High-definition graphics and spatial audio create an abyssal underground world. * This app does not have save data function. * There is no monetization in this app.
Once Human
Engage in high-intensity PvP survival where every resource and victory must be fought for. Build bases, customize weapons, and utilize unique abilities to dominate a ruthless jungle. Victory is determined by skill and strategy in a fair, competitive environment.
- High-intensity PvP combat
- Resource gathering and raiding
- Base building and defense
- Weapon and armor customization
- Unique tactical abilities (Deviations)
- Fair competitive environment
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Once Human: RaidZone is the first high-intensity, no-holds-barred PvP spin-off in Once Human. In this brutal survival jungle, only the echoes of gunfire, hidden traps of enemies, and the constant threat of losing everything remain. From the moment you enter the world, the battle begins. Rely on your combat skills, team coordination, and the power of Deviations to survive in this ruthless land, strengthen yourself step by step, gather resources, and rise to dominance. This is a world made for raiders. Are you ready? Survival Through Raiding — Where Only the Ruthless Survive Step into the RaidZone, where chaos reigns and survival is everything. Every gun, resource, and piece of land must be seized from someone else. Death means losing everything. Want to stay alive? Keep fighting — and never trust too easily. Start from Scratch — Survive with Your Own Hands From bows and axes to tactical gadgets, from long-range rifles and sniper weapons. In the vast selection in RaidZone, customize your unique weapon and armor build to create a tailored combat experience. Utilize the terrain, tactics, and your understanding of combat to engage in exhilarating skirmishes. Build Freely — Shape Your Fortress, Command the Battlefield Establish bases anywhere on the map. Plan your defenses and traps as you see fit. Set traps, raise walls, build your impenetrable stronghold — or a nightmare for your enemies. Your territory is your safe haven and your tactical edge. Defend it. Expand it. Use it to strike back hard. Fair Competitive Environment — No Inheritance, No Overpowering, Pure Skill Everyone starts on equal footing. No external weapons, resources, or blueprints can be brought in. All gear, armor, and Deviations must be discovered and fought for within the scenario. Victory comes from skill, planning, and your ability to adapt—nothing else. Power of Deviations — Turn the Tables with Tactical Abilities Seize rare resources and unlock powerful Deviations to dominate the battlefield. Pyro Dino helps you with firepower and Zeno-Purifier lets you dash forward and cut down your enemies. You can even summon Manibus to precisely destroy target areas. Turn the tide with one decisive move — and crush your enemies. Continuous Meta Pass Subscription Activation Instructions 1. MonthlyMeta Pass Activation Instructions --Subscription Period: 1 Month --Subscription Price: 4.99 USD per month 1. 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
Screenshots
Verdict
The clearest difference is in-app purchases: PRINCIPLES PROLOGUE at none against Once Human's 27. PRINCIPLES PROLOGUE also leads on review sentiment (76% vs 55%). Once Human's advantage is update cadence (monthly vs every 5 months) and rating (4.5 vs 4.3). On price, ads, 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
Both are free to download. Once Human sells 27 in-app purchases, starting at $4.99 per month. PRINCIPLES PROLOGUE asks for nothing beyond the download.
Once Human holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Once Human has 291 ratings behind it against 58, so its average is the more settled of the two. Written reviews complicate that: 76% of PRINCIPLES PROLOGUE's written reviews are positive against 55% of Once Human's, so the app with the better star average is not the one people write more warmly about.
PRINCIPLES PROLOGUE ships an update every 5 months, Once Human monthly. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.
| Parameter | PRINCIPLES PROLOGUE | Once Human |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (58 ratings) | 4.5 (291 ratings) — better |
| Positive reviews | 75.6% of reviews — better | 54.5% of reviews |
| Number of ratings | 58 | 291 — better |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 285 MB | 3.7 GB |
| Age rating | 4+ | 17+ |
| Developer | COLOPL, Inc. | NETEASE INTERACTIVE ENTERTAINMENT PTE. LTD |
Customer experience
PRINCIPLES PROLOGUE
Once Human
Bugs and requests
PRINCIPLES PROLOGUE
Reported bugs
4 issues- Game resets to start location
- Game crashes or won't open
- Lag and stuttering during gameplay
- Freezing issues
Requested features
12 requests- Full, playable version of the game
- More gameplay content and continuation
- Improved optimization for wider device compatibility
- Adjustable graphics settings
- Controller support
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- Walk feature for easier movement
- Real-time memory and CPU usage display
- Realistic weapon models
- More story and narrative elements
- Puzzling or RPG elements
- Frame rate limit release and display
- Sprinting and walking options
Once Human
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PRINCIPLES PROLOGUE
No in-app purchases
Once Human
- Meta Pass(Subscription)$4.991 Month
- Shining New Star Gift Pack$0.99
- Abyssal Whale Dream Gift Pack$0.99
- Shining New Star Gift Pack$0.99
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- Player Sponsorship$0.99
- Shining Newbie Pack$0.99
- 60 Crystgin$0.99
- Starter Selection Gift Pack$2.99
- Optional Reward1$4.99
- Meta Pass$4.99
- 330 Crystgin$4.99
- Battle Pass (Advanced)$9.99
- Optional Reward2$11.49
- Battle Pass (Upgrade)$13.99
- Abyssal Rune Gift Pack$14.99
- 1090 Crystgin$14.99
- Luxurious Selection Gift Pack$19.99
- Optional Reward3$19.99
- Battle Pass (Deluxe)$21.49
- Battle Pass (Deluxe)$23.99
- Abyss Starforged Gift Pack I$29.99
- Recharge Refund: Blazing Ring$29.99
- 2280 Crystgin$29.99
- Abyss Starforged Gift Pack II$49.99
- 3880 Crystgin$49.99
- Abyss Starforged Gift Pack III$99.99
- 7880 Crystgin$99.99








