Volla OS substantially rolls back privacy and security compared to standard AOSP. It's similar to LineageOS. It's not a hardened OS like GrapheneOS and is not comparable to it. Much like CalyxOS, it's a product claiming to be private/secure but both are much worse than an iPhone.

iPhones are the next best option for privacy and security after GrapheneOS, not any of these highly problematic alternate operating systems based on AOSP/LineageOS without the ability to provide the standard privacy/security patches and features from AOSP. iPhones are better.

Full Android privacy and security patches are released via the monthly, quarterly and yearly releases. There are partial backports of most High and Critical severity issues to older releases such as Android 14. They're not on the latest release so they don't have current patches.

GrapheneOS starts from the baseline of the latest Android Open Source Project and implements massive privacy and security improvements on top. Volla OS, LineageOS, CalyxOS and /e/OS roll back security rather than improving it. Ubuntu Mobile is a far further regression than those.

An iPhone has much better privacy and security than those. The latest Android Open Source Project on a Pixel has competitive security with an iPhone, but not privacy, and we're not referring to Google services but rather missing privacy features. Older releases are far worse.

iPhones are far from perfect but putting putting non-hardened AOSP 13/14 on typical Qualcomm/MediaTek Android hardware is dramatically worse. Most of these options are also adding their own problematic services and Apple is in fact doing better than them at E2EE services, etc.

GrapheneOS preserves the full standard Android security model and massively improves privacy and security with our changes on top of that. The improvements we make in GrapheneOS are explained at grapheneos.org/features, which only lists our features rather than any standard ones.

Overview of GrapheneOS features differentiating it from the Android Open Source Project (AOSP).

grapheneos.org/features

GrapheneOS features overview

Overview of GrapheneOS features differentiating it from the Android Open Source Project (AOSP).

Not all of our features are currently listed on our features page since our focus is improving the OS rather than explaining everything we do on our site and a lot of the tiny changes aren't listed. A few of the recent major features still need sections listed there too.

GrapheneOS

@GrapheneOS

Open source privacy and security focused mobile OS with Android app compatibility. Forum, Discord, Telegram, Matrix: https://t.co/C0RaJbZosj

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GrapheneOS@GrapheneOS

ℜ𝔞𝔶 𝔖𝔱𝔢𝔢𝔩𝔴𝔬𝔯𝔱𝔥 ᛟ⨁@Ray_Steelworth

Volla OS substantially rolls back privacy and security compared to standard AOSP. It's similar to LineageOS. It's not a hardened OS like GrapheneOS and is not comparable to it. Much like CalyxOS, it's a product claiming to be private/secure but both are much worse than an iPhone.

GrapheneOS

GrapheneOS
@GrapheneOS

ℜ𝔞𝔶 𝔖𝔱𝔢𝔢𝔩𝔴𝔬𝔯𝔱𝔥 ᛟ⨁
@Ray_Steelworth