Comparison

ERROR143 vs NU

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

Head to head
About

ERROR143

Engage in a competitive hacking game where rivals challenge each other through digital exchanges. Experience a narrative of escalating digital duels and unexpected plot twists as you prove your hacking prowess.

Highlights
  • Rivalry-based hacking gameplay
  • Narrative-driven story
  • Competitive digital duels
  • Bickering and bantering dialogue
  • Rivals-to-lovers trope
Features
Read full description

A bickering and bantering rivals-to-lovers hacking game! Your rival just bested you in a hacking competition. Were you going to be a sane person and let that slide? NO WAY! You hack into his database and leave him a little message, proving your superiority. --but what's this? He's hacked you back? Well, two can play this game.

About

NU

Embark on a journey to restore balance to a chaotic world by forming bonds with unique characters. This BL life simulation game features animated characters, emotional storylines, and a cast of renowned Japanese voice actors.

Highlights
  • BL life simulation gameplay
  • Animated characters with dynamic performances
  • Japanese voice actor cast
  • Character-driven storylines and events
  • Bond system to deepen relationships
  • Unlockable outfits and special scenes
Features
Read full description

Long ago, to calm the elemental spirits causing chaos across Klein Continent, Grand Sorcerer Huey placed elemental gemstones capable of regulating nature in five altars, protecting them with magic seals. Each decade, Huey and his clan members would set out on a journey to maintain the altars, but twenty years ago, Huey vanished. With no one to tend to the gemstones, equilibrium slowly gave way to natural disasters and the spread of the Dead Zone. That's when Huey's familiars summoned a protagonist from another world: Eiden. Following his arrival in Klein, Eiden assumes the mission of the vanished Grand Sorcerer. He learns to regulate his essence—similar to Huey's—and through close bonds with clan members learns to harness its power, so that the seal of the neon gemstone may be released and its strength restored. NU: Carnival - Bliss is a BL life simulation game for mobile. The game's animated characters offer an immersive experience and Japanese VAs bring over ten, emotion-rich characters to life. Exclusive events invite players into character-driven storylines. Journey to a new world and build strong bonds with your clan members! [Conclude contracts with clan members: spend meaningful times with enchanting characters] You can select your favorite character to appear on your home screen. A noble knight, a friendly priest, a powerful lord, a confounding fox yokai... Each clan member has his own exclusive main story chapter and side stories to fully flesh out their personalities. Exclusive events let you obtain clan members with special outfits and enjoy exciting storylines. Set off on a journey on the Klein Continent with companions from a new world! [A cast of amazing voice actors: a feast for the eyes and ears] NU: Carnival - Bliss has a cast of famous Japanese voice actors to bring out the characters' unique charms. Their voices in combination with beautiful compositions and touching scenes will immerse you in a dramatic audio experience as you interact with characters. [A show of animated characters: enjoy dynamic performances] The game's characters are all animated. Tap the characters to see different reactions and animations. You can unlock a variety of outfits for an interactive experience combining sight and sound. Depending on the rarity of the characters, their outfits become increasingly luxurious; their dialogues become richer following birthdays, events, and affinity levels to create a strong sense of companionship. [Exclusive story and interactive scenes: deepen your connections] Give presents in the Bond system and raise your affinity with the characters! Reach milestones in your relationships to unlock unique storylines for each character—SSR characters will unlock even more special scenes. The main character Eiden is versatile with much room to develop emotional bonds. Each character has private stories, letting you experience their unique journeys. The sense of presence of the immersive interactions will keep you engaged. [A refined combat system: fight exciting battles with multiple formations] NU: Carnival - Bliss is a turn-based RPG. Freely choose up to five characters to form a team that suits your playing style, using type matchups and character skills to achieve victory. As each of your allies gets hit in battle, visual effects and expressions change, enriching the battles. Do you want to fight to your heart's content in a new world? High-difficulty stages and special game modes are made available from time to time, waiting for you to rise to the challenge! Official website: https://nucarnivalbliss.com/ Official Instagram: https://www.instagram.com/nucarnival_bliss/ Official Twitter(X): https://twitter.com/nucarnivalbliss Official support: ask-nucarnival-bliss@thedarkwind.com

Screenshots

ERROR1434 screens
NU4 screens

Verdict

The call

The clearest difference is monetization model: ERROR143 at free against NU's free with in-app purchases. ERROR143 also leads on review sentiment (92% vs 74%) and iOS requirement (13.0 vs 15.0). NU's advantage is chart position (#183 vs unranked). On price, rating, ratings volume and update cadence 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. ERROR143 sells 4 one-off in-app purchases and NU sells 10 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 — 4.7 for ERROR143 against 4.7 for NU. Both are backed by a comparable volume of ratings — 4.8K and 5.7K respectively. Written reviews are what separate them: 92% of ERROR143's written reviews are positive against 74% of NU's.

UpkeepUpdate frequency

ERROR143 ships an update every 3 weeks, NU monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 7 level
ERROR143 versus NU: the parameters behind the verdict, then further details
ParameterERROR143NU
PriceFreeFree
Rating4.7 (4.8K ratings) — better4.7 (5.7K ratings)
Positive reviews91.7% of reviews — better73.7% of reviews
Number of ratings4.8K5.7K — better
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#183 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size2.8 GB289 MB
Age rating12+17+
DeveloperJenny PhamDarkWind Ltd.

Customer experience

ERROR143

All ratings4,743 ratings
Positive92.9%
Neutral1.1%
Negative6.0%
Written reviews398 reviews
Positive91.7%
Neutral3.5%
Negative4.8%

NU

All ratings5,628 ratings
Positive92.9%
Neutral2.1%
Negative4.9%
Written reviews1,051 reviews
Positive73.7%
Neutral9.9%
Negative16.4%

User reviews

ERROR143

From 4.8K App Store ratings

What we love

  • 👍 Engaging gameplay
  • 🎨 Beautiful art style
  • 🔊 Excellent voice acting
  • 🤖 Unique hacking mechanics
  • 💬 Charming character interactions

Room to improve

  • 🕰️ Short story length
  • 🤔 Rushed romance development
  • 🐛 Occasional bugs and glitches
  • 💤 Lack of content/updates

NU

From 5.7K App Store ratings

What we love

  • 👍 Fun and engaging gameplay
  • 💕 Appealing character designs
  • 🎨 Beautiful art style
  • 🎶 Great voice acting and music
  • 🤩 Addictive and entertaining

Room to improve

  • 🔒 Censored intimate scenes
  • ⏱️ Lengthy loading times
  • 🤔 Difficulty progressing without spending
  • 🤕 Enemies scale too quickly
  • 🤯 Glitches and login issues

Bugs and requests

ERROR143

Reported bugs

2 issues
  • Floating character sprite after chair fall
  • Game crashing and requiring restart

Requested features

4 requests
  • More story days/content
  • Expanded romance options
  • Additional character routes
  • Ability to purchase DLC in-app

NU

Reported bugs

3 issues
  • Inability to log in or continue progress
  • Downloading resources failing or getting stuck
  • Purchased items not appearing in inventory

Requested features

5 requests
  • Uncensored version with adult content
  • Ability to link existing accounts
  • More character customization options
  • Improved enemy scaling and difficulty progression
  • Optimization for faster loading and fewer glitches

In-app purchases

4 purchases

ERROR143

One-time4
  • Day 5$4.99
  • Day 6$4.99
  • Day 7$4.99
Show 1 more
  • Day 8$4.99
10 purchases

NU

One-time10
  • 1 Sorcery Gems$0.99
  • Grand Sorcerer's Club$3.49
  • CYBERNEtical Paradox Exclusive$4.49
Show 7 more
  • Trailblazer's Pack$5.49
  • 5 Sorcery Gems$5.99
  • Grand Sorcerer's VIP Club$7.99
  • Energy Refill Pack$7.99
  • 9 Sorcery Gems$9.99
  • CYBERNEtical Paradox Chip Modu$10.99
  • 20 Sorcery Gems$21.49

Questions

Is ERROR143 free?
ERROR143 is free to download, with in-app purchases available.
Is NU free?
NU is free to download, with in-app purchases available.
Which has better reviews, ERROR143 or NU?
ERROR143 is rated higher. ERROR143 averages 4.7 out of 5 from 4.8K ratings, while NU averages 4.7 from 5.7K ratings.
Do ERROR143 or NU have ads?
Neither ERROR143 nor NU shows ads.
Which is updated more often, ERROR143 or NU?
ERROR143 ships an update every 3 weeks, and NU monthly. Most recently, ERROR143 was updated on November 3, 2026 and NU on November 4, 2026.

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