Comparison

CHAOS;HEAD NOAH vs Utsuro’s diary (Full version)

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

Utsuro’s diary (Full version)

Engage in a psychological horror adventure where you exchange diaries with a troubled girl. Unravel mysteries, confront her inner darkness, and make choices that shape both your fates in a suspenseful school-life setting.

Highlights
  • Psychological horror gameplay
  • Diary exchange mechanic
  • Mystery and code solving
  • Branching story with multiple endings
  • Spooky environments and sound effects
  • Player-girl emotional bond
Features
Read full description

"Utsuro’s diary" is a horror game based on the concept of exchanging diaries with a hollow girl. As the protagonist, the player becomes a girl's friend, confronting her inner darkness while unraveling the mystery of her creepy diary. The stage is school life that is common at school. Dark rooms, dimly lit corridors, and eerie music and sound effects add tension to the player. The game progresses in the form of an exchange diary. The protagonist can obtain her girl's diary and send her his own diary. The contents of the diary are written about the girl's depressive symptoms, her internal conflicts, and experiences of strange phenomena. Depending on the player's choices and actions, the girl's state and the progress of the story will change. Mysteries and codes are hidden in the girl's diary, and the player will face the terrifying truth, such as the existence of the girl's trauma. The ending branches depending on the player's choices and actions, and the girl's fate and the player's own fate are affected. Also, certain choices and behaviors may cause players to suffer from depression themselves. [Effect of the game] Psychological Horror: Over the course of the exchange diary, details about the girl's depression and eerie events will be revealed. The player can feel tension and anxiety by touching the darkness of the girl's heart. As the story progresses, the player himself feels a connection with the girl, and the fear increases as he gets involved in spooky events. The excitement of solving mysteries: The story progresses by solving the mysteries and codes hidden in the diary. Players collect information, deduce and decipher it, and work on solving the mystery. Every time you solve a mystery, you can experience the joy and excitement of getting closer to the truth of the story. Importance of Choices: Your choices and actions affect how the story unfolds and ends. Right choices can help a girl or change her own destiny, but wrong choices and actions can have dire consequences. The importance of such choices keeps the player in suspense and interest. Spooky Environments and Sound Effects: The ruins and dark locations in which the game takes place create an eerie atmosphere. Dim lights and shadows, spooky music and sound effects add tension to the player. Environmental descriptions and sound effects immerse players in the game world with trepidation and terror. Player-Girl Bond: As the protagonist, the player becomes the girl's friend and interacts with her emotions and state. Through her diary exchanges, you can feel empathy and a desire to protect her while witnessing her changes and growth. This emotional bond enhances story progression and player excitement. The player will be able to get close to the girl and enter her inner world, and be forced to make choices that affect her destiny, bringing more realism and involvement to the story. Curiosity about Mysterious Events: The diaries describe spooky events and supernatural phenomena. Players develop an interest and curiosity about those mysteries and inexplicable events, and the pursuit of the truth enhances the appeal of the game. The quest for unsolved mysteries draws the player into the depths of the story. Suspenseful Storytelling: The game offers dramatic storytelling. The tension and curiosity builds as the girl's past and the mysteries surrounding her are revealed. Story developments and plot surprises keep players engaged and excited about what's next. [Recommended for those who know the following works] "Doki Doki Literature Club!" "Nightshade" "Hatoful Boyfriend" "Amnesia: Memories" "Fatal Frame" (Zero series) "Silent Hill" (Silent Hill series) "Catherine" "Rule of Rose" "Saya no Uta" "The Witch's House" "The Crooked Man" "Parasite Eve" "Sweet Fuse: At Your Side" "Tokyo Dark"

Screenshots

CHAOS;HEAD NOAH4 screens
Utsuro’s diary (Full version)2 screens

Verdict

The call

The clearest difference is price: Utsuro’s diary (Full version) at $5.99 against CHAOS;HEAD NOAH's $14.99. Utsuro’s diary (Full version) also leads on update cadence (every 3 weeks vs every 9 months) and rating (4.8 vs 4.3). On ratings volume, 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 Utsuro’s diary (Full version) $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Utsuro’s diary (Full version) holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

UpkeepUpdate frequency

CHAOS;HEAD NOAH ships an update every 9 months, Utsuro’s diary (Full version) every 3 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
CHAOS;HEAD NOAH versus Utsuro’s diary (Full version): the parameters behind the verdict, then further details
ParameterCHAOS;HEAD NOAHUtsuro’s diary (Full version)
Price$14.99$5.99 — better
Rating4.3 (3 ratings)4.8 (4 ratings) — better
Positive reviews29.4% of reviews—
Number of ratings34 — better
Update frequencyEvery 9 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better12.0
Further details — not scored
Size1.6 GB146 MB
Age rating17+12+
DeveloperMAGES. Inc.YANASE GAMES, INC.

Customer experience

CHAOS;HEAD NOAH

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

Utsuro’s diary (Full version)

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CHAOS;HEAD NOAH

No in-app purchases

None

Utsuro’s diary (Full version)

No in-app purchases

Questions

Is CHAOS;HEAD NOAH free?
CHAOS;HEAD NOAH costs $14.99, with no in-app purchases.
Is Utsuro’s diary (Full version) free?
Utsuro’s diary (Full version) costs $5.99, with no in-app purchases.
Which has better reviews, CHAOS;HEAD NOAH or Utsuro’s diary (Full version)?
Utsuro’s diary (Full version) is rated higher. CHAOS;HEAD NOAH averages 4.3 out of 5 from 3 ratings, while Utsuro’s diary (Full version) averages 4.8 from 4 ratings.
Do CHAOS;HEAD NOAH or Utsuro’s diary (Full version) have ads?
Neither CHAOS;HEAD NOAH nor Utsuro’s diary (Full version) shows ads.
Which is updated more often, CHAOS;HEAD NOAH or Utsuro’s diary (Full version)?
CHAOS;HEAD NOAH ships an update every 9 months, and Utsuro’s diary (Full version) every 3 weeks. Most recently, CHAOS;HEAD NOAH was updated on October 29, 2026 and Utsuro’s diary (Full version) on October 30, 2026.

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