Comparison

GuessLine 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

GuessLine

This game challenges you to identify movies, TV shows, and books by analyzing interactive character relationship timelines. Piece together clues from evolving friendships, rivalries, and romances to solve puzzles.

Highlights
  • Interactive character relationship timelines
  • Campaign and legacy game modes
  • Randomized challenges
  • Smart hint system
  • Achievement tracking
  • Multilingual support
Features
Read full description

Can you guess the story from character relationships alone? GuessLine challenges you to identify movies, TV shows, and books by analyzing interactive character relationship timelines. Watch how friendships, rivalries, and romances evolve, then piece together the clues to discover the story! HOW TO PLAY Each level shows a visual timeline of character relationships changing throughout the story. Use positioned events, character names, and relationship patterns to solve the puzzle! GAME MODES • CAMPAIGN - Place events directly on timelines, discover new stories • LEGACY CAMPAIGN - 100 classic text-based levels spanning movies, TV shows, books, and more • RANDOM 5 - Race against the clock with 5 random levels and no hints • RANDOM 100 - Ultimate challenge where one mistake ends your run FEATURES • 100+ unique levels featuring beloved stories • Two distinct gameplay styles: event placement and text-based • Smart hint system with 9 tiered hints per level • Achievement system tracking your progress • External links to IMDb, Wikipedia, and Goodreads • Star ratings based on performance • Multilingual support (English, French, Spanish, German, Portuguese, Italian) • Clean, minimalist design FREE TO PLAY GuessLine is completely free with optional video ads for hints. No in-app purchases, no paywalls. LEGAL Unofficial fan-made puzzle game. Not affiliated with featured franchises. All trademarks belong to respective owners. Download GuessLine and test your pop culture knowledge!

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

GuessLine3 screens
Phosphor Emulator4 screens

Verdict

The call

The clearest difference is rating: GuessLine at 5.0 against Phosphor Emulator's 4.6. GuessLine also leads on monetization model (free vs free with in-app purchases). Phosphor Emulator's advantage is ratings volume (35 vs 1) and update cadence (every 3 days vs weekly). 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

GuessLine holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Phosphor Emulator has 35 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

GuessLine ships an update weekly, Phosphor Emulator every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
GuessLine versus Phosphor Emulator: the parameters behind the verdict, then further details
ParameterGuessLinePhosphor Emulator
PriceFreeFree
Rating5.0 (1 ratings) — better4.6 (35 ratings)
Positive reviews—80.0% of reviews
Number of ratings135 — better
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac, Apple Watch — better
Requires iOS18.017.0 — better
Further details — not scored
Size30 MB73 MB
Age rating4+4+
DeveloperMaxime HussenetSquatchCraft LLC

Customer experience

GuessLine

All ratings1 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

GuessLine

No in-app purchases

None

Phosphor Emulator

No in-app purchases

Questions

Is GuessLine free?
GuessLine 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, GuessLine or Phosphor Emulator?
GuessLine is rated higher. GuessLine averages 5.0 out of 5 from 1 ratings, while Phosphor Emulator averages 4.6 from 35 ratings.
Do GuessLine or Phosphor Emulator have ads?
Neither GuessLine nor Phosphor Emulator shows ads.
Which is updated more often, GuessLine or Phosphor Emulator?
GuessLine ships an update weekly, and Phosphor Emulator every 3 days. Most recently, GuessLine was updated on October 30, 2026 and Phosphor Emulator on October 31, 2026.

Other comparisons