Yearn vs OpenSol
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- 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
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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
Verdict
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
OpenSol is free to download; Yearn costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | Yearn | OpenSol |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 5.0 (2 ratings) | 5.0 (5 ratings) |
| Positive reviews | 83.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 5 — better |
| Update frequency | Every 4 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 20 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Anyi County Bingzhiyi Trading Co., Ltd. | Jordan Ruderman |
Customer experience
Yearn
OpenSol
In-app purchases
Yearn
No in-app purchases
OpenSol
No in-app purchases









