Comparison

CHAOS;HEAD NOAH vs ALTDEUS

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

Head to head
About

CHAOS;HEAD NOAH

A psycho-suspense adventure game where the line between reality and delusion blurs. Investigate bizarre murders in Shibuya, encountering six heroines and multiple endings. Features full voice acting and over 30 hours of gameplay.

Highlights
  • Psycho-suspense adventure gameplay
  • Delusion mechanics
  • Bizarre murder investigations
  • Six heroines with unique routes
  • Multiple endings
  • Full voice acting
  • Over 30 hours playtime
Read full description

Delusion science adventure that strong tag of 5pb. and Nitroplus presents. Character Design is Mutsumi Sasaki . * The game supports Japanese only. - Promo word And, I kill the world. - Game description - Adventure game of psycho suspense touch that makes 'Delusion' key word. - Story advanced by two or more aspects centering on continuous bizarre murder event (The new generation's frenzy) that occurs in Shibuya. - Six heroines appear. In heroine's peculiar route, various ends and the mysteries :. - The borderline of the reality and the delusion becomes vague because of the use of the delusion trigger, and fear and interest are experienced. - Full voice to say nothing of voice. - The total play time is a volume that exceeds 30 hours. - Mutsumi Sasaki is appointed in the character design, Yukihiro Matsuo is appointed in the original picture, CHOCO is appointed in product design, and Naotaka Hayashi is appointed to the scenario. - Story - Takumi Saijo is the second grade of high-school in this side the withdrawal one step. It is asserted, 'It is not interested in three dimensions', is enclosed by a large amount of nymph figure in the room, and it lives. The continuous bizarre murder event that was called 'The new generation's frenzy (alias new-gene)' had occurred in Shibuya where he lived. The criminal has not been caught yet, and is firing the net and the television. The Gros image that prophesies the next new-gene event has been sent from the existence of the mystery that is called 'General' when chatting on a certain day. Takumi did how to kill as being exactly prophesied to the return in the school it, and will encounter a ghostly scene of the crime the next day. Takumi was carried out in front of the remains and blood-stained ..girl.. Rimi Sakihata.

About

ALTDEUS

Embark on a sci-fi adventure in a post-apocalyptic world where humanity fights colossal invaders. Pilot a powerful mech, make critical decisions, and uncover a story of revenge and survival.

Highlights
  • Epic sci-fi story
  • Pilot humanoid weapons
  • Critical decision-making
  • Star-studded voice cast
  • Award-winning VR experience
  • Multiple subtitle languages
Features
Read full description

The award-winning, critically acclaimed SF adventure VR game is finally available on smartphones! ALTDEUS is the second installment of the Chronos Universe. Character design by LAM, voiced by a star-studded cast, and music by renowned artists such as ASCA, R!N, Wolpis Carter, Setsuko, YuNi, and Konomi Suzuki! ■Story In 2080, the sudden appearance of colossal beings known as "Meteoras" forced humanity to seek refuge in a subterranean city with a radius of only 2 kilometers, A.T. (Augmented Tokyo). Two centuries later, Chloe, a Meteoras opposing organization "Prometheus" member, pilots the humanoid city-defense weapon Makhia, surviving the harsh battles alongside her comrades. Everything she does is to avenge her dear friend, Coco. As numerous crucial decisions loom ever closer, will you be able to pull the trigger? ■ Characters Chloe (VA. Chelsey Moore - English, Akari Kito - Japanese) Coco Coconoe (VA. Danii Meger - English, Kaya Okuno - Japanese) Noa (VA. Grace Chan - English, Yumiri Hanamori - Japanese) Anima (VA. Yui Ishikawa - Japanese) Yamato Amanagi (VA. Jesse Inocalla - English, Yusuke Kobayashi - Japanese) Aoba Iwaza (VA. Adam Fedyk - English, Yoshihiko Aramaki - Japanese) Julie (VA. Asia Mattu - English, Yu Serizawa - Japanese) Deiter (VA. Chris Garnier - English, Show Hayami - Japanese) AARC Ares (VA. Nobuhiko Okamoto - Japanese) ■ Artists ASCA / R!N / Setsuko / YuNi / Wolpis Carter / Konomi Suzuki / Kuniyuki Takahashi (MONACA) / kz / Yosuke Kori ■ Voice Languages: Japanese / English ■ Subtitle Languages: Japanese / English / German / French / Chinese (Traditional / Simplified) *Please note that ALTDEUS: Beyond Chronos 'EXTRA EPISODE' does not support German.

Screenshots

CHAOS;HEAD NOAH4 screens
ALTDEUS4 screens

Verdict

The call

The clearest difference is rating: ALTDEUS at 5.0 against CHAOS;HEAD NOAH's 4.3. ALTDEUS also leads on price ($13.99 vs $14.99). CHAOS;HEAD NOAH's advantage is ratings volume (3 vs 1). On update cadence, ads, 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

CHAOS;HEAD NOAH costs $14.99 and ALTDEUS $13.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ALTDEUS holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

CHAOS;HEAD NOAH ships an update every 9 months, ALTDEUS daily. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

Scorecard3 real differences · 7 level
CHAOS;HEAD NOAH versus ALTDEUS: the parameters behind the verdict, then further details
ParameterCHAOS;HEAD NOAHALTDEUS
Price$14.99$13.99 — better
Rating4.3 (3 ratings)5.0 (1 ratings) — better
Positive reviews29.4% of reviews—
Number of ratings3 — better1
Update frequencyEvery 9 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better12.0
Further details — not scored
Size1.6 GB1.6 GB
Age rating17+12+
DeveloperMAGES. Inc.Izanagigames, Inc.

Customer experience

CHAOS;HEAD NOAH

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews51 reviews
Positive29.4%
Neutral21.6%
Negative49.0%

ALTDEUS

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CHAOS;HEAD NOAH

No in-app purchases

None

ALTDEUS

No in-app purchases

Questions

Is CHAOS;HEAD NOAH free?
CHAOS;HEAD NOAH costs $14.99, with no in-app purchases.
Is ALTDEUS free?
ALTDEUS costs $13.99, with no in-app purchases.
Which has better reviews, CHAOS;HEAD NOAH or ALTDEUS?
ALTDEUS is rated higher. CHAOS;HEAD NOAH averages 4.3 out of 5 from 3 ratings, while ALTDEUS averages 5.0 from 1 ratings.
Do CHAOS;HEAD NOAH or ALTDEUS have ads?
Neither CHAOS;HEAD NOAH nor ALTDEUS shows ads.
Which is updated more often, CHAOS;HEAD NOAH or ALTDEUS?
CHAOS;HEAD NOAH ships an update every 9 months, and ALTDEUS daily. Most recently, CHAOS;HEAD NOAH was updated on November 6, 2026 and ALTDEUS on November 8, 2026.

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