Comparison

Yearn vs OpenSol

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

Head to head
About

Yearn

Relive classic gaming memories by playing ROMs from various retro consoles on your iOS device. Offers customizable controls, save states, and advanced emulation features for an enhanced experience.

Highlights
  • Supports NES, SNES, GBA, N64, DS, Genesis, PS1
  • Customizable virtual and Bluetooth controller support
  • Multiple save state slots with iCloud sync
  • Fast forward, slow motion, and cheat code support
  • External display output via AirPlay or HDMI
  • Video filters and adjustable aspect ratios
Features
Read full description

Yearn is your ultimate retro gaming companion for iOS. Relive your favorite childhood memories by playing classic games from legendary consoles right on your iPhone or iPad. **Supported Systems:** • NES (Nintendo Entertainment System) • SNES (Super Nintendo) • Game Boy / Game Boy Color • Game Boy Advance • Nintendo 64 • Nintendo DS • Sega Genesis / Mega Drive • PlayStation 1 **Key Features:** **Intuitive Controls** - Customizable on-screen virtual controller with multiple skins - Full support for Bluetooth controllers (PlayStation, Xbox, Nintendo Switch Pro, MFi) - Adjustable button layout, size, and opacity - Turbo button functionality **Save Your Progress** - Multiple save state slots for each game - Auto-save feature with customizable intervals - iCloud sync to keep your saves across all devices - Quick save and quick load shortcuts **Beautiful Interface** - Modern and clean design - Multiple themes inspired by classic consoles - Grid and list view options - Automatic game artwork fetching **Advanced Emulation** - Fast forward and slow motion controls - Cheat code support (Game Genie, Action Replay, GameShark) - Screenshot capture - External display support via AirPlay or HDMI **External Display** - Play on your TV with game-only mode - Full mirroring support - Decorative borders option **Customization** - Video filters (CRT, LCD, Smooth) - Adjustable aspect ratios - Haptic feedback - Accessibility options Import your legally owned ROM files easily through the Files app, AirDrop, or cloud storage. Yearn automatically organizes your games by system for easy browsing. Note: This app does not include any games. Users must provide their own legally obtained ROM files. **Legal Disclaimer:** Yearn is in no way affiliated with, endorsed by, or associated with Nintendo Co., Ltd., Sony Interactive Entertainment Inc., or Sega Corporation. The names "Nintendo", "PlayStation", "Sega", and all associated game console names are registered trademarks of their respective owners. Yearn is an independent emulator application and is not authorized or sponsored by any game console manufacturer.

About

OpenSol

Experience a classic 8080 computer emulator inspired by the Sol-20 Terminal Computer. Interact with original firmware, customize display effects, and enjoy an immersive terminal experience. This independently developed app offers a unique retro computing simulation.

Highlights
  • Intel 8080 interpreter
  • Original OpenSol firmware
  • Sol Command Monitor
  • Customizable display effects (CRT, phosphor)
  • Full-screen immersive mode
  • External keyboard and controller support
  • Virtual cassette tools
Features
Read full description

OpenSol is an independently developed Intel 8080 computer emulator inspired by the Processor Technology Sol-20 Terminal Computer. Explore a 64-by-16 character display, type directly into the original OpenSol firmware, and use the built-in Sol Command Monitor. Choose white, green, amber, or red phosphor; switch between a sharp flat display and period-inspired CRT effects; and use full-screen mode for an immersive terminal experience. OpenSol includes: • A complete independently written Intel 8080 interpreter • Original OpenSol firmware and Sol Command Monitor • iPhone, iPad, and Mac interfaces • Direct typing, touch input, external keyboards, and compatible game controllers • User-selected ENT and raw-binary file import • Private on-device Recent Programs and session restoration • Experimental virtual cassette and USB-audio cassette tools OpenSol includes no SOLOS ROM, vintage applications, download catalog, advertising, analytics, tracking, accounts, or network service. Users provide their own lawfully obtained compatible files. OpenSol is not affiliated with or endorsed by Processor Technology Corporation or any successor rights holder. Historical product names are used only to describe compatibility and historical context.

Screenshots

Yearn4 screens
OpenSol3 screens

Verdict

The call

The clearest difference is price: OpenSol at Free against Yearn's $4.99. OpenSol also leads on update cadence (every 8 days vs every 4 months) and review sentiment (100% vs 83%). On rating, ratings volume, ads and in-app purchases 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

OpenSol is free to download; Yearn costs $4.99 up front. 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 — 5.0 for Yearn against 5.0 for OpenSol. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews are what separate them: 83% of Yearn's written reviews are positive against 100% of OpenSol's.

UpkeepUpdate frequency

Yearn ships an update every 4 months, OpenSol every 8 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Yearn versus OpenSol: the parameters behind the verdict, then further details
ParameterYearnOpenSol
Price$4.99Free — better
Rating5.0 (2 ratings)5.0 (5 ratings)
Positive reviews83.3% of reviews100.0% of reviews — better
Number of ratings25 — better
Update frequencyEvery 4 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.017.0
Further details — not scored
Size20 MB11 MB
Age rating4+4+
DeveloperAnyi County Bingzhiyi Trading Co., Ltd.Jordan Ruderman

Customer experience

Yearn

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews12 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

OpenSol

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Yearn

No in-app purchases

None

OpenSol

No in-app purchases

Questions

Is Yearn free?
Yearn costs $4.99, with no in-app purchases.
Is OpenSol free?
OpenSol is free to download, with no in-app purchases.
Which has better reviews, Yearn or OpenSol?
Yearn and OpenSol are both rated 5.0 out of 5 on the App Store, from 2 and 5 ratings respectively.
Do Yearn or OpenSol have ads?
Neither Yearn nor OpenSol shows ads.
Which is updated more often, Yearn or OpenSol?
Yearn ships an update every 4 months, and OpenSol every 8 days. Most recently, Yearn was updated on October 30, 2026 and OpenSol on October 31, 2026.

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