Comparison

XTreasure vs Phosphor Emulator

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

Head to head
About

XTreasure

This interactive puzzle box game turns your iPhone into a smart lock. Set custom challenges, from dates and locations to puzzles and payments, to unlock the box. Perfect for solo play, parties, or educational fun.

Highlights
  • Electromagnetic lock and Bluetooth connectivity
  • Customizable unlock challenges (date, location, puzzles)
  • QR code scanning to start adventures
  • Private and public gameplay modes
  • Personalized messages and designs
  • Easy 15-minute assembly
Features
Read full description

This Box: The Ultimate Smart Puzzle Box Game Unlock endless adventures with This Box, the revolutionary smart puzzle box game that brings the excitement of escape rooms and treasure hunts to the palm of your hand. Controlled seamlessly by your iPhone app, This Box offers an engaging, interactive experience perfect for all ages and occasions. Features: Innovative Technology: This Box is equipped with an electromagnetic lock and a Bluetooth chip, enabling seamless connectivity with your iPhone. Experience cutting-edge technology that makes every game thrilling and unique. Customizable Challenges: Set a variety of challenges to unlock This Box. Whether it's opening the box on a specific date, at a specific location, using numeric codes, answering questions, watching videos, solving logic puzzles, or even paying a fee, the possibilities are endless. Combine challenges to create a multi-step adventure that keeps players on their toes. Interactive Gameplay: Players can scan the QR code on This Box to start their adventure. The app guides them through the challenges set by the box owner. Each challenge brings them one step closer to unlocking the box, with satisfying audio feedback enhancing the experience. Private and Public Modes: Choose who gets to play. In public mode, anyone nearby can scan the QR code and attempt the challenges. In private mode, only authorized users can access the box, ensuring exclusive gameplay. Perfect for All Occasions: This Box is ideal for family gatherings, parties, team-building events, educational activities, or solo play. It's a unique gift that promises hours of fun and excitement. Personalization Options: Customize This Box with personalized messages, themed designs, and specific challenge sequences. Make every game special and tailored to your preferences. Easy to Set Up: Assemble This Box effortlessly with our user-friendly guide. With just 15 minutes of assembly time, you’re ready to start your adventure. Educational and Fun: This Box combines learning and play, enhancing problem-solving skills, critical thinking, and teamwork. It's a perfect tool for educators and parents looking to engage kids in a fun and educational way. Eco-Friendly: We care about the environment. This Box is made from sustainable materials and designed to last, ensuring countless adventures without compromising on sustainability. Customer Support: We are dedicated to providing exceptional customer service. Contact us anytime for assistance, tips, or to share your This Box adventures. Join the Community: Share your experiences, challenge ideas, and adventures with the This Box community. Connect with other players, participate in events, and be part of an ever-growing network of adventurers. How It Works: Set Up: Assemble This Box and configure the challenges via the iPhone app. Scan and Play: Players scan the QR code to begin the adventure. Solve Challenges: Follow the app's guidance to complete each challenge. Unlock the Box: Successfully complete the final challenge to unlock This Box and reveal the treasure inside. Download This Box Now: Embark on an adventure like no other. Whether you're hosting a party, planning a team-building activity, or looking for a fun solo challenge, This Box delivers an unforgettable experience. Download the app now and start unlocking the fun!

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.

Screenshots

XTreasure4 screens
Phosphor Emulator4 screens

Verdict

The call

The clearest difference is rating: XTreasure at 5.0 against Phosphor Emulator's 4.6. XTreasure also leads on monetization model (free vs free with in-app purchases). Phosphor Emulator's advantage is ratings volume (39 vs 2) and update cadence (every 3 days vs every 9 days). On price, ads, in-app purchases and iOS requirement 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

XTreasure holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Phosphor Emulator has 39 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

XTreasure ships an update every 9 days, Phosphor Emulator every 3 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

Scorecard5 real differences · 5 level
XTreasure versus Phosphor Emulator: the parameters behind the verdict, then further details
ParameterXTreasurePhosphor Emulator
PriceFreeFree
Rating5.0 (2 ratings) — better4.6 (39 ratings)
Positive reviews—80.0% of reviews
Number of ratings239 — better
Update frequencyEvery 9 daysEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad, Mac, Apple Watch — better
Requires iOS16.0 — better17.0
Further details — not scored
Size18 MB73 MB
Age rating17+4+
DeveloperBloo Circle LLCSquatchCraft LLC

Customer experience

XTreasure

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Phosphor Emulator

All ratings35 ratings
Positive88.6%
Neutral5.7%
Negative5.7%
Written reviews15 reviews
Positive80.0%
Neutral13.3%
Negative6.7%

In-app purchases

None

XTreasure

No in-app purchases

None

Phosphor Emulator

No in-app purchases

Questions

Is XTreasure free?
XTreasure is free to download, with no in-app purchases.
Is Phosphor Emulator free?
Phosphor Emulator is free to download, with no in-app purchases.
Which has better reviews, XTreasure or Phosphor Emulator?
XTreasure is rated higher. XTreasure averages 5.0 out of 5 from 2 ratings, while Phosphor Emulator averages 4.6 from 39 ratings.
Do XTreasure or Phosphor Emulator have ads?
Neither XTreasure nor Phosphor Emulator shows ads.
Which is updated more often, XTreasure or Phosphor Emulator?
XTreasure ships an update every 9 days, and Phosphor Emulator every 3 days. Most recently, XTreasure was updated on October 30, 2026 and Phosphor Emulator on November 9, 2026.

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