Comparison

PRINCIPLES PROLOGUE vs Beyond Blue

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

Head to head
About

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.

Highlights
  • High-definition graphics
  • Spatial audio
  • Abyssal underground world
  • Mysterious ancient ruins
  • Explorer narrative
Read full description

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.

About

Beyond Blue

Explore the ocean's mysteries as a deep-sea scientist in this narrative-driven adventure. Utilize advanced technology to interact with marine life and uncover the secrets of an untouched world. Features include mini-documentaries and a photo mode.

Highlights
  • Evocative narrative with full voice cast
  • Exploration of an untouched world
  • Captivating soundtrack
  • Ocean Insights mini-documentaries
  • Photo Mode for sharing
  • Daily activities and unlockable dive suits
Features
Read full description

Beyond Blue takes you into the near future, where you’ll have the opportunity to explore the mysteries of our ocean through the eyes of Mirai, a deep sea explorer and scientist. You and your newly-formed research team will use groundbreaking technologies to see, hear, and interact with the ocean in a more meaningful way than has ever been attempted. The game features an evocative narrative, exploration of an untouched world, and adventure during the crew’s expedition. Embracing the same inclusive development process that was used to create Never Alone (Kisima Ingitchuna), E-Line’s BAFTA award-winning game about Alaska Native culture, the company partnered with BBC Studios (developers of the acclaimed Blue Planet II), OceanX Media, world-class game makers, and some of science’s leading ocean experts to craft an experience that reflects the awesome wonder and unbounded mystery that infuses our planet’s beating blue heart. Features + An evocative narrative with full voice cast – Anna Akana (Ant Man, YouTube), Mira Furlan (Lost, Babylon 5), Hakeem Kae-Kazim (Black Sails, Hotel Rwanda), and Ally Maki (Toy Story 4) + Exploration and adventure within an untouched world + A captivating and entertaining soundtrack featuring an original score and music from Miles Davis, The Flaming Lips, The Edisons, and more + Sixteen unique mini-documentaries called Ocean Insights that feature original footage and interviews with science’s leading ocean experts + Take beautiful pictures to share using the brand new Photo Mode + Daily Activities such as Point to Point Races, Scavenger Hunts and Relays that unlock brand new dive suits for Mirai + A relaxing tour of the regions with the Dive-In Theater that you can just sit back and enjoy

Screenshots

PRINCIPLES PROLOGUE4 screens
Beyond Blue4 screens

Verdict

The call

The clearest difference is rating: PRINCIPLES PROLOGUE at 4.3 against Beyond Blue's 3.0. PRINCIPLES PROLOGUE also leads on in-app purchases (none vs 1) and review sentiment (76% vs 42%). Beyond Blue's advantage is update cadence (every 4 weeks vs every 5 months) and device support (5 vs 3). On price, ads, monetization model 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. Beyond Blue sells 1 one-off in-app purchase. PRINCIPLES PROLOGUE asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PRINCIPLES PROLOGUE holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: PRINCIPLES PROLOGUE has 58 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 76% of PRINCIPLES PROLOGUE's written reviews are positive against 42% of Beyond Blue's.

UpkeepUpdate frequency

PRINCIPLES PROLOGUE ships an update every 5 months, Beyond Blue every 4 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard6 real differences · 4 level
PRINCIPLES PROLOGUE versus Beyond Blue: the parameters behind the verdict, then further details
ParameterPRINCIPLES PROLOGUEBeyond Blue
PriceFreeFree
Rating4.3 (58 ratings) — better3.0 (8 ratings)
Positive reviews75.9% of reviews — better42.1% of reviews
Number of ratings58 — better8
Update frequencyEvery 5 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac, Apple TV — better
Requires iOS12.0 — better13.0
Further details — not scored
Size285 MB3.2 GB
Age rating4+4+
DeveloperCOLOPL, Inc.E-Line Media

Customer experience

PRINCIPLES PROLOGUE

All ratings58 ratings
Positive82.8%
Neutral3.4%
Negative13.8%
Written reviews79 reviews
Positive75.9%
Neutral8.9%
Negative15.2%

Beyond Blue

All ratings8 ratings
Positive50.0%
Neutral12.5%
Negative37.5%
Written reviews19 reviews
Positive42.1%
Neutral21.1%
Negative36.8%

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
Show 7 more
  • 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

Beyond Blue

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

PRINCIPLES PROLOGUE

No in-app purchases

1 purchases

Beyond Blue

One-time1
  • Unlock Full Game$6.99

Questions

Is PRINCIPLES PROLOGUE free?
PRINCIPLES PROLOGUE is free to download, with no in-app purchases.
Is Beyond Blue free?
Beyond Blue is free to download, with in-app purchases available.
Which has better reviews, PRINCIPLES PROLOGUE or Beyond Blue?
PRINCIPLES PROLOGUE is rated higher. PRINCIPLES PROLOGUE averages 4.3 out of 5 from 58 ratings, while Beyond Blue averages 3.0 from 8 ratings.
Do PRINCIPLES PROLOGUE or Beyond Blue have ads?
Neither PRINCIPLES PROLOGUE nor Beyond Blue shows ads.
Which is updated more often, PRINCIPLES PROLOGUE or Beyond Blue?
PRINCIPLES PROLOGUE ships an update every 5 months, and Beyond Blue every 4 weeks. Most recently, PRINCIPLES PROLOGUE was updated on November 3, 2026 and Beyond Blue on November 5, 2026.

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