CloudpilotEmu vs OpenSol
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CloudpilotEmu
This application allows you to run classic PalmOS handheld devices on your modern iPhone or iPad. It emulates various devices and supports PalmOS versions up to 5, offering features like continuous state saves and file management.
- PalmOS handheld emulation
- Supports PalmOS 4.1 and 5
- Continuous state saves
- Savestate file import/export
- Manage .prc and .pdb files
- Emulated SD cards and memory sticks
- Audio emulation
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CloudpilotEmu runs PalmOS handhelds on modern devices. It emulates a wide range of devices up to PalmOS 4.1 and the Palm Tungsten E2 for PalmOS 5. Its features include: * Continuous state saves — reopen the app and continue right where you left off * Export and import of savestate files * Switch between multiple emulation sessions * Direct installation and export of .prc and .pdb files * Realistic emulation of timers and device speed * Emulated SD cards and memory sticks * File browser for managing memory cards * Audio emulation * Keyboard input on OS4 and earlier * Clipboard integration on OS4 and earlier * Network support (including network HotSync) on OS4 and earlier This app enables you to run CloudpilotEmu on your iPhone or iPad as a native app.
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 update cadence: OpenSol at every 8 days against CloudpilotEmu's every 3 months. CloudpilotEmu's advantage is ratings volume (20 vs 4) and iOS requirement (15.0 vs 17.0). On price, rating, review sentiment and ads 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
Both are free to download. 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 CloudpilotEmu against 5.0 for OpenSol. That said, the two scores are not equally well evidenced: CloudpilotEmu has 20 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
CloudpilotEmu ships an update every 3 months, OpenSol every 8 days. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.
| Parameter | CloudpilotEmu | OpenSol |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (20 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 20 — better | 4 |
| Update frequency | Every 3 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Christian Speckner | Jordan Ruderman |
Customer experience
CloudpilotEmu
OpenSol
In-app purchases
CloudpilotEmu
No in-app purchases
OpenSol
No in-app purchases









