STEINS;GATE Phenogram vs ALTDEUS
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
STEINS;GATE Phenogram
Experience a new chapter in a popular visual novel series with multiple branching storylines. Explore character-specific narratives, interact with a customizable in-game phone, and uncover hidden plots. This game offers over 20 hours of gameplay with full voice acting.
- Phone trigger system optimized for iOS
- Branching storylines based on player choices
- Customizable in-game mobile phone
- Character-specific short stories
- Full voice acting
- Over 20 hours of gameplay
- Universal app for iPhone and iPad
Read full descriptionHide full description
Since 2009, the STEINS; GATE series has sold over 1,000,000 copies! The latest work of "STEINS;GATE" series, hypothetical pluralist adventure "STEINS;GATE Linear Bounded Phenogram" is now released on iOS! The fate of the world has been left to the way mobile phones are handled! ※This application supports Japanese only. ※We don't have a plan to support Korean for this application. - Features *The game features the phone trigger system, optimized for iOS. Unexpected stories about how to handle a mobile phone during a game! *When you clear the story, a new story appears, and the way the game progresses depends on which story you choose! *You can customize the mobile phone in the game like a real mobile phone! *Emails received during the game will be displayed as MAIL LIST! *Special terms that appear during the game are registered in the TIPS LIST and you can read explanations! *With CONFIG, you can change various settings and enjoy your favorite play style! *Short stories based on the views of characters in "STEINS;GATE"! *"These stories are deeply involved wit the original "STEINS;GATE" so you can enjoy "STEINS;GATE" even further! * Full voice acting! * More than 20 hours of total game-play! * You can enjoy this game on either iPhone or iPad as a Universal app! (Not optimized for the iPhone 5 resolution) *Saved data can be stored on iCloud! Play with different devices and share the saved data! *Supports Game Center! *Supports Push Notifications! ※Opening and ending sequences based on the Xbox 360 version. - Tag Line --Each lab member has his own story. (ラボメンの数だけ物語がある。) - Product Summary 10 stories in total which are written in the views of characters from "STEINS;GATE". These stories you can't see from the hero of STEINS;GATE, Rintaro Okabe's view, are also involved the original STEINS;GATE. You can tell these characters' conflicts, worries and other deep mental states from their own positions, to help you enjoy the STEINS;GATE's world even further. - Stories ・Dr. Jekyll on lines ・Bird Singing in Cage ・Vermilion Sooteer ・Ghosting Rendezvous ・A Strange Building Filled Of Love ・Super hero Chat-noir ・Hermaphroditus in Labyrinth ・Eternal Polaris ・Quantum excited in Coma ・Three Contrapasso About The Abduction - How to play Intuitive touch panel controls ensure a smooth game-play experience! • Common controls Phone Panel: Invoke phone trigger/Close Two-finger tap (Or pinch-in): Show/hide game menu Swipe in from the edge of the screen: Show game menu Swipe to the edge of the screen from inside:Hide game menu (while displaying) Tap: Forward text, Confirm Swipe Down: Show log screen Swipe Up: Hide message area Swipe Right: Skip read messages Swipe Left: Force message skip One-finger tap and hold: Auto mode If a black frame is displayed around the screen, swipe inward from near the edge where the background is displayed to display the system menu. • Original controls for iPhone Hold portrait orientation: Invoke phone trigger Hold landscape orientation: Close phone trigger • Original controls for iPad Swipe up on the right side of screen: Invoke phone trigger Swipe down on the left side of phone trigger: Close phone trigger ・Back up your save data to iCloud Choose "SYSTEM" > "BACKUP" from title screen and the save data will be backed up to iCloud. (Documents and Data is required to be ON in iCloud settings) ・Restore your save data from iCloud Choose "SYSTEM" > "RESTORE" from title screen and the save data will be restored to your device. (※Your save data on your device will be overwritten)
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.
- Epic sci-fi story
- Pilot humanoid weapons
- Critical decision-making
- Star-studded voice cast
- Award-winning VR experience
- Multiple subtitle languages
Read full descriptionHide 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
Verdict
The clearest difference is price: ALTDEUS at $7.99 against STEINS;GATE Phenogram's $11.99. ALTDEUS also leads on iOS requirement (12.0 vs 15.0). On rating, ratings volume, update cadence and ads 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
STEINS;GATE Phenogram costs $11.99 and ALTDEUS $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for STEINS;GATE Phenogram against 5.0 for ALTDEUS. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
STEINS;GATE Phenogram ships an update every 13 months, ALTDEUS daily. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.
| Parameter | STEINS;GATE Phenogram | ALTDEUS |
|---|---|---|
| Price | $11.99 | $7.99 — better |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 13 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 1.6 GB | 1.6 GB |
| Age rating | 12+ | 12+ |
| Developer | MAGES. Inc. | Izanagigames, Inc. |
Customer experience
STEINS;GATE Phenogram
ALTDEUS
In-app purchases
STEINS;GATE Phenogram
No in-app purchases
ALTDEUS
No in-app purchases
Questions
Is STEINS;GATE Phenogram free?
Is ALTDEUS free?
Which has better reviews, STEINS;GATE Phenogram or ALTDEUS?
Do STEINS;GATE Phenogram or ALTDEUS have ads?
Which is updated more often, STEINS;GATE Phenogram or ALTDEUS?
Other comparisons















