Comparison

EHangOS vs OpenSol

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

Head to head
About

EHangOS

Features
Read full description

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.

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

EHangOS4 screens
OpenSol3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

EHangOS ships an update weekly, OpenSol every 8 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

ScorecardNo meaningful differences
EHangOS versus OpenSol: the parameters behind the verdict, then further details
ParameterEHangOSOpenSol
PriceFreeFree
Rating—5.0 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—4 — better
Update frequencyWeekly — betterEvery 8 days
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, MaciPhone, iPad, Mac
Requires iOS17.017.0
Further details — not scored
Size63 MB11 MB
Age rating17+4+
DeveloperEhang, Inc.Jordan Ruderman

In-app purchases

None

EHangOS

No in-app purchases

None

OpenSol

No in-app purchases

Questions

Is EHangOS free?
EHangOS is free to download, with no in-app purchases.
Is OpenSol free?
OpenSol is free to download, with no in-app purchases.
Do EHangOS or OpenSol have ads?
Neither EHangOS nor OpenSol shows ads.
Which is updated more often, EHangOS or OpenSol?
EHangOS ships an update weekly, and OpenSol every 8 days. Most recently, EHangOS was updated on October 15, 2026 and OpenSol on October 8, 2026.

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