Comparison

Helper for Caverna vs Delta

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

Head to head
About

Helper for Caverna

This tool simplifies gameplay for the board game Caverna by automating calculations. It offers a premium version with advanced features like game history, statistics, and helpful tips.

Highlights
  • Automated game calculations
  • Game history tracking
  • Game statistics
  • In-game tips
  • New action feature (Premium)
Read full description

Helper for Caverna is a handy tool for all your Caverna games. No need to get the calculator out anymore, the Helper will do that for you ! The Premium version includes : game history, game statistics, tips for the game and a new action !!! More to come... ~~ -50% on Premium during the launch period ~~

About

Delta

This app allows you to play classic games from various retro consoles on your iOS or iPadOS device. It supports multiple systems, online multiplayer for some games, and extensive controller customization. You can also manage game saves, use cheats, and sync your data across devices.

Highlights
  • Supports NES, SNES, N64, DS, GBA, and more
  • Online multiplayer for Nintendo DS games
  • Extensive controller support (Switch, PS, Xbox, MFi)
  • Save states with automatic backups
  • Cheat code support for various systems
  • Cross-device syncing via Google Drive/Dropbox
  • Customizable controller skins
Features
Read full description

Delta is an all-in-one emulator for iOS and iPadOS. Delta builds upon the strengths of its predecessor, GBA4iOS, while expanding to include support for more game systems such as NES, SNES, N64, Nintendo DS, and Sega Genesis. FEATURES Supported Game Systems • Nintendo Entertainment System • Super Nintendo Entertainment System • Nintendo 64 • Game Boy (Color) • Game Boy Advance • Nintendo DS • Sega Genesis Online Multiplayer • Play online-compatible Nintendo DS games with friends around the world! • Connect via community Nintendo WFC servers • Choose one of the default servers, or provide a custom DNS 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 RetroAchievements • Sign in with your RetroAchievements account to earn achievements in any supported game • Supports Hardcore mode, which disables loading save states and using cheats • Shows your achievement progress when launching a game 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: • NES: Game Genie • SNES: Game Genie, Pro Action Replay • N64: GameShark • GBC: Game Genie, GameShark • GBA: Action Replay, Code Breaker, GameShark • DS: Action Replay • Genesis: Action Replay, Game Genie Delta Sync • Sync your games, game saves, save states, cheats, controller skins, and controller mappings between devices. • View version histories of everything you sync and optionally restore them to earlier versions. • Supports both Google Drive and Dropbox. 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! • Supports animated buttons for even more immersion when playing games 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. • Customize speed per-game by long-pressing Fast Forward option in pause menu. 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. Misc. • Gyroscope support (WarioWare: Twisted! only) • Microphone support (DS only) • Support for delta:// URL scheme to jump directly into a specific game. Delta Terms of Use: https://altstore.io/terms **Delta is in no way affiliated with Nintendo. The name "Nintendo" and all associated game console names are registered trademarks of Nintendo Co., Ltd.**

Screenshots

Helper for Caverna4 screens
Delta4 screens

Verdict

The call

The clearest difference is rating: Delta at 4.8 against Helper for Caverna's 2.8. Delta also leads on review sentiment (81% vs 50%) and ratings volume (28K vs 6). Helper for Caverna's advantage is update cadence (weekly vs monthly) and iOS requirement (6.0 vs 17.4). On price, ads, in-app purchases and monetization model 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. Helper for Caverna sells 1 one-off in-app purchase and Delta sells 4 in-app purchases, starting at $5.00 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Delta holds the better App Store score, 4.8 against 2.8. That said, the two scores are not equally well evidenced: Delta has 28K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 50% of Helper for Caverna's written reviews are positive against 81% of Delta's.

UpkeepUpdate frequency

Helper for Caverna ships an update weekly, Delta monthly. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.

Scorecard6 real differences · 5 level
Helper for Caverna versus Delta: the parameters behind the verdict, then further details
ParameterHelper for CavernaDelta
PriceFreeFree
Rating2.8 (6 ratings)4.8 (28K ratings) — better
Positive reviews50.0% of reviews81.1% of reviews — better
Number of ratings628K — better
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#82 — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS6.0 — better17.4
Further details — not scored
Size18 MB228 MB
Age rating4+4+
DeveloperMorgan VincentTestut Tech

Customer experience

Helper for Caverna

All ratings6 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews4 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Delta

All ratings28,196 ratings
Positive94.2%
Neutral2.0%
Negative3.8%
Written reviews3,306 reviews
Positive81.1%
Neutral8.4%
Negative10.5%

Bugs and requests

Helper for Caverna

Not enough reviews yet to summarise bugs or requests.

Delta

Reported bugs

4 issues
  • Certain games have graphical issues
  • DS game audio/video desync
  • Inconsistent save state behavior
  • Crashes when deleting/managing games

Requested features

7 requests
  • Add support for more consoles (GameCube, Wii, PS1, etc.)
  • Implement 3DS emulation
  • Allow custom button/control layouts
  • Add screen scaling and aspect ratio options
  • Implement local multiplayer for DS games
Show 2 more
  • Improve AirPlay functionality
  • Integrate iCloud sync support

In-app purchases

1 purchases

Helper for Caverna

One-time1
  • Premium$0.99
4 purchases

Delta

Subscriptions4
  • Delta Patron$5.001 Month
  • Early Adopter$10.001 Month
  • Community Member$15.001 Month
Show 1 more
  • Friend Zone$30.001 Month

Questions

Is Helper for Caverna free?
Helper for Caverna is free to download, with in-app purchases available.
Is Delta free?
Delta is free to download, with in-app purchases available.
Which has better reviews, Helper for Caverna or Delta?
Delta is rated higher. Helper for Caverna averages 2.8 out of 5 from 6 ratings, while Delta averages 4.8 from 28K ratings.
Do Helper for Caverna or Delta have ads?
Neither Helper for Caverna nor Delta shows ads.
Which is updated more often, Helper for Caverna or Delta?
Helper for Caverna ships an update weekly, and Delta monthly. Most recently, Helper for Caverna was updated on October 26, 2026 and Delta on November 2, 2026.

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