EHangOS vs OpenSol
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EHangOS
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EHangOS is an integrated mobile client for cloud PCs, private NAS management, photo backup, file management, and AI assistance. It allows users to securely access remote desktops, manage private storage, automatically back up photos, and use intelligent assistant features from an iPhone or iPad.
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
EHangOS and OpenSol are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
EHangOS ships an update weekly, OpenSol every 8 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.
| Parameter | EHangOS | OpenSol |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Weekly — better | Every 8 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 63 MB | 11 MB |
| Age rating | 17+ | 4+ |
| Developer | Ehang, Inc. | Jordan Ruderman |
In-app purchases
EHangOS
No in-app purchases
OpenSol
No in-app purchases








