Comparison

Phosphor Emulator vs Project P.E.T. Mobile

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

Head to head
About

Phosphor Emulator

This app provides a premium emulation experience for Game Boy, Game Boy Color, and Game Boy Advance games on modern iOS devices. It features advanced controls, instant save states, and unique functionalities like rewinding gameplay and AI play.

Highlights
  • Rewind and fast-forward gameplay
  • Instant save and load states
  • Customizable touch controls
  • MFi controller support
  • Game Boy Camera and Printer integration
  • AI Play feature
Features
Read full description

Phosphor is a free retro game emulator for iPhone, iPad, Mac, and Apple Watch. Play Game Boy, Game Boy Color, and Game Boy Advance games, plus Nintendo DS games on iPhone and iPad, with save states, fast-forward, rewind, iCloud save sync, controller support, and community mods. No ads. No subscriptions. No accounts. No tracking. Import your own compatible ROM files through Files, iCloud Drive, or AirDrop. Organize your library, pick your controls, and take your favorite handheld games anywhere. WHY PHOSPHOR? Phosphor is designed to feel like a handheld console. Deep black screen wells, glowing CRT effects, responsive controls, and color themes bring classic games to modern Apple hardware. Play in portrait or landscape, adjust your speed with a scrolling dial, and return quickly to your last session. NINTENDO DS ON IPHONE AND IPAD Import compatible .nds files and choose single-screen or dual-screen play. Start with a focused single-screen layout, switch to both screens from the menu, and swap screens when you need to. Touch-screen input, microphone controls, and portrait and landscape layouts keep DS play flexible. MODS POWERED BY GEN1RECOMP Supported games can use the integrated gen1recomp engine to run compatible community mods inside Phosphor. Keep your library, controls, and display framing while exploring new ways to play. The updated engine brings gameplay and compatibility fixes. Features vary by game, engine, and mod. Rewind and cheat codes are available with Phosphor’s standard emulator core, not during gen1recomp play. FEATURES Classic handheld games Play compatible .gb, .gbc, and .gba ROMs, with .nds support on iPhone and iPad. Import individual games or supported ZIP archives and search your library. Link Cable trading Connect supported games over the same Wi-Fi network. Gen 3 Pokémon Link Cable support covers Ruby, Sapphire, Emerald, FireRed, and LeafGreen. Compatible games, in-game progress, and normal trading restrictions apply. Fast-forward up to 15× Choose 1×, 2×, 3×, 5×, 10×, or 15× where supported to move through battles, travel, and repeated sections. Available speeds depend on the game, core, and device. Live rewind Hold rewind to return to an earlier moment and try again with the standard emulator core. Save states and quick resume Create quick saves and save-state slots, then return to your session with quick resume where supported. iCloud saves Sync compatible in-game saves, quick saves, and save-state slots across devices using the same Apple ID. Check for saved progress in Settings and choose which copy to keep when saves conflict. Game files are not backed up; after reinstalling, reimport them with their original filenames to reconnect your saves. CRT display and themes Customize your screen with scanlines, phosphor glow, dot-grid texture, vignette, contrast, and color themes. External controllers Play with compatible controllers or use responsive touch controls, haptics, and layouts designed for portrait and landscape. Cheat codes Use supported cheat formats with compatible games on Phosphor’s standard emulator core. Apple Watch play Take supported games to your wrist. Platform and feature availability vary by device; Nintendo DS play is available on iPhone and iPad. Live Activities See your current game, play time, and quick-resume status from the Lock Screen. BRING YOUR OWN GAMES Phosphor does not include games or ROMs. Provide your own legally obtained, compatible game files. Community mods have their own authors, licenses, and compatibility requirements. Save states and other features may vary between emulator cores, engine versions, and devices. A classic handheld feel. Modern Apple features. Your games, your library, your way to play.

About

Project P.E.T. Mobile

Experience a reimagined classic GBA game featuring a unique combat system and new additions like PvE raids and an MMO hub. Engage in ranked play, manage friend lists, and earn achievements.

Highlights
  • Unique combat system
  • PvE Raids (Co-op)
  • The Square (MMO hub)
  • Rankings and friend lists
  • Seasons and achievements
  • Classic PvP system
Features
Read full description

Walk. Jack in. Delete viruses. Every step you take in the real world charges your Cyber-Meter and opens the door to the net. Your phone becomes the device; your walking becomes the fuel. WALKING MAKES YOU STRONGER Your step count charges the meter. When it is full, you jack in. No waiting timers — the commute and the evening walk are the preparation. REAL-TIME GRID BATTLES Move across a 3x3 panel field and dodge what is coming. Build a chip folder and chain by code or by name. Hold the buster for a charged shot. Elements deal up to double damage. GROW YOUR NAVI Five points every level across Power, Defence, Vitality, Rapid, Charge and Synchro. Upgrades change your element and your fighting style. Build noise during a fight and spend it before a hard one. THE SQUARE An isometric hub where other players really walk around. Chat, trade chips, challenge someone on the spot — or jack into a generated area of your own. SIX WAYS TO PLAY TOGETHER Ranked matches with a monthly season, friendly matches that cost you nothing, co-op raids against a shared boss, friend links that make you stronger mid-fight, an asynchronous trade board, and Bluetooth play that needs no internet at all. ENDLESS MODE Descend floor by floor. Enemies grow, your HP carries over. Retire and bank the record, or risk one more floor. A REASON TO COME BACK Login streaks, daily and weekly missions, achievements, a chip library to complete, and live events with double XP and virus outbreaks. OFFLINE FIRST Your progress lives on the device. Online features are optional. Link an account by email, Google or Apple and your progress follows you to a new phone. Shell themes make the device yours.

Screenshots

Phosphor Emulator4 screens
Project P.E.T. Mobile3 screens

Verdict

The call

Phosphor Emulator and Project P.E.T. Mobile both sit at 4.7 stars, but that hides the real split: 100% of Project P.E.T. Mobile's written reviews are positive against 80% of Phosphor Emulator's. Project P.E.T. Mobile also leads on iOS requirement (15.0 vs 17.0). Phosphor Emulator's advantage is monetization model (free with in-app purchases vs paid). 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Phosphor Emulator against 4.8 for Project P.E.T. Mobile. Both are backed by a comparable volume of ratings — 31 and 13 respectively. Written reviews are what separate them: 80% of Phosphor Emulator's written reviews are positive against 100% of Project P.E.T. Mobile's.

UpkeepUpdate frequency

Phosphor Emulator ships an update every 3 days, Project P.E.T. Mobile every 2 days. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 7 level
Phosphor Emulator versus Project P.E.T. Mobile: the parameters behind the verdict, then further details
ParameterPhosphor EmulatorProject P.E.T. Mobile
PriceFreeFree
Rating4.7 (31 ratings)4.8 (13 ratings) — better
Positive reviews80.0% of reviews100.0% of reviews — better
Number of ratings31 — better13
Update frequencyEvery 3 daysEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size84 MB79 MB
Age rating4+12+
DeveloperSquatchCraft LLCFelix Helleckes

Customer experience

Phosphor Emulator

All ratings31 ratings
Positive90.3%
Neutral6.5%
Negative3.2%
Written reviews15 reviews
Positive80.0%
Neutral13.3%
Negative6.7%

Project P.E.T. Mobile

All ratings13 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Phosphor Emulator

No in-app purchases

None

Project P.E.T. Mobile

No in-app purchases

Questions

Is Phosphor Emulator free?
Phosphor Emulator is free to download, with no in-app purchases.
Is Project P.E.T. Mobile free?
Project P.E.T. Mobile is free to download, with no in-app purchases.
Which has better reviews, Phosphor Emulator or Project P.E.T. Mobile?
Project P.E.T. Mobile is rated higher. Phosphor Emulator averages 4.7 out of 5 from 31 ratings, while Project P.E.T. Mobile averages 4.8 from 13 ratings.
Do Phosphor Emulator or Project P.E.T. Mobile have ads?
Neither Phosphor Emulator nor Project P.E.T. Mobile shows ads.
Which is updated more often, Phosphor Emulator or Project P.E.T. Mobile?
Phosphor Emulator ships an update every 3 days, and Project P.E.T. Mobile every 2 days. Most recently, Phosphor Emulator was updated on October 16, 2026 and Project P.E.T. Mobile on October 18, 2026.

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