Comparison

Delta Legacy vs Retro Watch

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

Head to head
About

Delta Legacy

This application allows users to play Nintendo DS games using a legacy emulator core. It supports importing old save states, offers extensive controller compatibility, and includes features like cheat codes and fast-forwarding.

Highlights
  • Legacy melonDS 0.9.1 core
  • Import old melonDS save states
  • Extensive controller support
  • Save/load and backup save states
  • Cheat code support (Action Replay)
  • Customizable controller skins
  • Fast forward and hold button features
Features
Read full description

Delta Legacy is a special version of Delta that uses "legacy" emulator cores. Specifically, this version includes melonDS 0.9.1, the original version of melonDS bundled with Delta until version 1.6. With Delta Legacy you can import your old melonDS save states from Delta and continue playing where you left off. FEATURES Supported Game Systems • Nintendo DS (melonDS 0.9.1) Controller Support • Nintendo Switch Pro controllers, Joy-Cons • Nintendo Switch Online controllers (NES, SNES, N64) • PS4, PS5 • Xbox One S, Xbox Series X • MFi game controllers • Bluetooth & wired keyboards Save States • Save and load save states for any game from the pause menu. • Lock save states to prevent them from being accidentally overwritten. • Automatically makes backup save states to ensure you never lose your progress. • Support for “Quick Saves,” save states that can be quickly saved/loaded with a single button press (requires external controller). Cheats • Supports various types of cheat codes for each supported system: • DS: Action Replay Custom Controller Skins • Beautiful built-in controller skins for all systems. • Import controller skins made by others, or even make your own to share with the world! Hold Button • Choose buttons for Delta to hold down on your behalf, freeing up your thumbs to press other buttons instead. • Perfect for games that typically require one button be held down constantly (e.g. run button in Mario games, or the A button in Mario Kart). Fast Forward • Speed through slower parts of games by running the game much faster than normal. • Easily enable or disable from the pause menu, or optionally with a mapped button on an external controller. 3D/Haptic Touch • Use 3D or Haptic Touch to “peek” at games, save states, and cheat codes. • App icon shortcuts allow quick access to your most recently played games, or optionally customize the shortcuts to always include certain games. Game Artwork • Automatically displays appropriate box art for imported games. • Change a game’s artwork to anything you want, or select from the built-in game artwork database. **Delta Legacy is in no way affiliated with Nintendo. The name "Nintendo" and all associated game console names are registered trademarks of Nintendo Co., Ltd.**

About

Retro Watch

Features
Read full description

Retro Watch is a playful pixel clock for your desk, room, or quiet focus time. Turn your screen into a small retro-inspired clock with pixel themes, gentle background music, and a cozy display you can leave open while you work, study, relax, or keep time nearby. Inspired by old digital displays, pixel art, and small moments of nostalgia, Retro Watch is designed to be more than a utility clock. It can sit beside you like a tiny digital companion, showing the time, playing a soft background mood, and adding a little retro charm to your space. No complex setup. No busy dashboard. Just a clock with character. Features: • Pixel-style clock display • 24-hour format option • Show or hide seconds • Retro visual effects • Theme selection • Background music selection • Keep screen awake on mobile • Simple, cozy display for focus, rest, or desk setup Retro Watch is a small independent project built around a simple idea: a cozy retro clock that makes time feel a little more playful.

Screenshots

Delta Legacy1 screens
Retro Watch4 screens

Verdict

The call

Delta Legacy and Retro Watch are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

ScorecardNo meaningful differences
Delta Legacy versus Retro Watch: the parameters behind the verdict, then further details
ParameterDelta LegacyRetro Watch
PriceFreeFree
Rating3.2 (79 ratings) — better—
Positive reviews45.5% of reviews—
Number of ratings79 — better—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size70 MB35 MB
Age rating4+9+
DeveloperTestut TechZhao Xing

Bugs and requests

Delta Legacy

Reported bugs

14 issues
  • Randomly crashes when loading saves
  • Emulator skins won't import correctly
  • White screen appears
  • Lost all save states after update
  • Save data corruption
Show 9 more
  • Cannot import save files
  • A button not working
  • Fast forward feature jumbles music
  • App crashes when trying to load a game
  • Missing files error for DS ROMs
  • Save states are incompatible
  • Save files are gone forever
  • App freezes when loading save state
  • Corrupted save data after update

Requested features

9 requests
  • Add Nintendo New 3DS, DSi, and 2DS emulation
  • Add fast forward function like original Delta
  • Emulate Game Boy Color, Game Boy, and Game Boy Advance
  • Create a new Nintendo Network for DS (Delta Network)
  • Add 3DS emulation
Show 4 more
  • Add Wii U and 3DS emulators with skins
  • Add a donation section (PayPal)
  • Make the original app compatible with saves
  • Allow playing on other devices without re-purchasing

Retro Watch

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Delta Legacy

No in-app purchases

None

Retro Watch

No in-app purchases

Questions

Is Delta Legacy free?
Delta Legacy is free to download, with no in-app purchases.
Is Retro Watch free?
Retro Watch is free to download, with no in-app purchases.
Do Delta Legacy or Retro Watch have ads?
Neither Delta Legacy nor Retro Watch shows ads.

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