Cosyra vs Amazon Q Developer CLI on Your Phone (2026)

Short answer. Cosyra vs the Amazon Q Developer CLI is not agent-vs-agent; it's two different shapes. Amazon Q's q is an AWS-native terminal agent for macOS and Linux, signed in with an AWS Builder ID, with no mobile app of any kind (2026-07-05). Cosyra is a paid mobile cloud terminal: a per-user Ubuntu 24.04 container with Claude Code, Codex CLI, OpenCode, and Gemini CLI pre-installed, reached from native iOS and Android apps. Pick Amazon Q if you live in AWS at a desk and want an agent that reasons about your AWS account. Pick Cosyra if you want an agent that runs on an actual phone, with no machine to supply.

There's a wrinkle that shapes this whole comparison: the open-source Amazon Q Developer CLI went maintenance-only in November 2025, and its named successor is the closed-source Kiro CLI. So you're weighing a frozen-but-still-useful AWS tool against a cloud container you reach from a phone. We wrote this after pulling the aws/amazon-q-developer-cli repo ourselves and reading its maintenance banner, then installing the Linux build inside a Cosyra container from a phone on the couch, with no laptop open.

This post was written by the Cosyra team. We compared Cosyra against the Amazon Q Developer CLI based on hands-on testing of both — reading the AWS Amazon Q docs and pricing page first-hand, checking the aws/amazon-q-developer-cli repo and its maintenance banner via the GitHub API, and installing the Linux build inside our own container — plus our internal Amazon Q factsheet. Stars (1,974) and the last open release (v1.19.7) re-verified 2026-07-05; pricing figures as of 2026-07-01.

How do Cosyra and the Amazon Q CLI compare feature by feature?

Cosyra is a cloud Ubuntu container reached from native iOS and Android apps with AI agents pre-installed; the Amazon Q Developer CLI is an AWS-native terminal agent that runs on a macOS or Linux machine you supply, with no mobile client at all. Cosyra costs $29.99/month, and that price is the always-on machine; Amazon Q's software is free and assumes you're at a desktop terminal signed in to AWS. The table below lines them up on thirteen attributes.

What's the deal with Amazon Q going maintenance-only?

This is the first thing to get right, because a lot of the internet still talks about Amazon Q as if it's actively shipping. It isn't, and it also isn't dead. The aws/amazon-q-developer-cli repo carries a banner we read on 2026-07-05:

"This open source project is no longer being actively maintained and will only receive critical security fixes. Amazon Q Developer CLI is now available as Kiro CLI, a closed-source product."

Read that precisely. The q binary still installs, still runs q chat, and still receives critical security fixes; the last open release is v1.19.7 (2025-11-17), and when we checked the repo via the GitHub API on 2026-07-05 it had 1,974 stars and was not archived. What changed is the forward path: new features go into the closed-source Kiro CLI instead. So if you're choosing Amazon Q's CLI today, you're choosing a frozen-but-supported AWS tool, and if you want the actively developed successor on a phone, that's a separate guide. We think that distinction matters enough to lead with it, because "maintenance-only" changes the honest calculus more than a feature checkbox does.

What does each stack actually require?

The headline "$0 vs $29.99" is misleading until you write down what each side needs to get an agent answering prompts from your phone. Amazon Q's software is free and genuinely capable (its deep AWS integration is a real strength), but it runs in a terminal on a macOS or Linux machine you keep open and sign in to with an AWS Builder ID. There is no Amazon Q app to open on a phone. Cosyra's $29.99/month is the always-on Linux machine, plus the storage and the native apps, with four agents already on the PATH.

The other structural difference is the account model. Amazon Q isn't BYOK: you don't paste an Anthropic or OpenAI key and pay that provider. You run q login, authenticate against an AWS Builder ID or IAM Identity Center, and the models are AWS-hosted (the pricing page notes access to the latest Claude models). That's excellent if you're already an AWS shop and want one identity and one bill; it's friction if you're not, which is the whole reason the amazon q developer alternative query has volume.

Where can Amazon Q's `q` binary actually run from a phone?

Here's the piece you can't copy-paste from another blog. Amazon Q ships as a glibc-linked Linux binary, and that one fact decides where it can run when your only device is a phone. We reconstructed the three real cases below from the AWS docs and the repo, verified 2026-07-05.

On iOS there's no native path; nothing on the phone runs a glibc Linux binary. On Android, Termux is a bionic userland with no glibc, so a glibc binary is doubtful; we mark that unverified rather than claim it works or fails, because we haven't run it and inventing that result is exactly the kind of thing that gets a page demoted. The one case that plainly works is a Linux box the phone reaches: our container reports linux and x86_64, so the standard Amazon Q Linux build installs the way it would on any Linux laptop, and q login with a Builder ID does the rest. We tested this on a fresh container from a phone, waiting for a train, which is exactly the case Amazon Q has no answer for on its own.

The contrast is the comparison in a sentence: in its normal setup q runs in a terminal on a machine you keep open, and there's no Amazon Q app to reach it from a phone. With Cosyra there's no laptop in the picture — the container is the machine, it hibernates when idle and resumes where it left off, and you reach it the same way from an iPhone, an Android tablet, or the web. Our full setup walkthrough is in Run the Amazon Q Developer CLI on your phone.

Where does the Amazon Q CLI beat Cosyra?

The Amazon Q Developer CLI beats Cosyra on deep AWS integration, a genuine free tier, an inspectable open-source build, and enterprise governance for teams already standardized on AWS. We ship a managed cloud product and we still think Amazon Q is the right call for a real set of people. Here's where it wins, with the receipts.

• It reasons about your AWS account. This is the thing no provider-neutral CLI or cloud container does: q can query and reason about your live AWS resources through your Builder ID or IAM Identity Center. If your day is Lambda, IAM, and CloudFormation, that account-aware context is worth real money and Cosyra doesn't replicate it.
• A genuine free tier. As of 2026-07-01 the Amazon Q pricing page lists a Free tier at $0 with 50 agentic requests per month and access to the latest Claude models. Cosyra's compute past the free hour and 10-hour trial is a $29.99/month subscription. On free-forever usage, Amazon Q wins outright.
• An inspectable, self-buildable build. The last open release (v1.19.7, dual Apache-2.0/MIT) is on GitHub — you can read it and build it with cargo. Our client app is closed and our orchestration is proprietary. If auditability matters, Amazon Q's frozen build is the more open artifact, caveats about maintenance mode aside.
• Enterprise governance for AWS shops. IAM Identity Center SSO, an admin dashboard, automatic data-collection opt-out, and IP indemnity on Pro are the controls a company already living in AWS expects. We're a consumer in-app-purchase product; we don't offer org-level IAM governance.
• Runs locally with no hosted dependency. On a laptop you already own, q is just a process, with no cloud container to pay for or depend on. If you're always at a capable machine, that's simpler and cheaper than any hosted box, ours included.

Where does Cosyra beat the Amazon Q CLI?

Cosyra beats Amazon Q on running on an actual phone, four agents pre-installed with zero setup, provider-agnostic BYOK, a persistent workspace that follows you across devices, and being actively developed rather than frozen. The trade-off for "free AWS-native software" is that it runs on a desktop you supply and keep open, tied to an AWS identity. We'd rather be the machine for you.

It runs on a phone, and Amazon Q has no client that does

This is the load-bearing difference. Amazon Q has no native iOS, iPadOS, or Android app, and, unlike GitHub Copilot CLI, no mobile remote-control feature either. There is no Amazon Q you open on a phone. Our native Google Play and App Store apps put a real Ubuntu terminal in your hand, and that terminal can run Amazon Q's own Linux build. If you want to code from a phone at all, that's the gap.

Four agents, no AWS identity required

On first boot our container has Claude Code, Codex CLI, OpenCode, and Gemini CLI on the PATH, each BYOK — you paste your own provider key and pay Anthropic, OpenAI, or Google directly. Amazon Q is one tool, and it wants an AWS Builder ID and AWS-hosted models. If you're not an AWS user, that's an account to create and a lock-in to accept before you write a line of code. We deliberately stayed provider-neutral so mobile agent work doesn't start with a vendor login.

No desktop to keep open

Amazon Q in a terminal needs a macOS or Linux machine awake and reachable for the agent to do anything. That machine is your responsibility to power and keep on. Our container is the always-on Linux machine, in the cloud, reached from a native app with nothing running at home. The agent keeps working whether your laptop is shut or in another city.

Persistent workspace across devices, and it's actively developed

A Cosyra container persists in the cloud and is the same container from an iPhone, an Android tablet, or a laptop browser: drop your phone, buy a new one, log in, and your repo and shell history are still there. Amazon Q's state lives on whatever desktop you ran it on. And the tool you install as q is maintenance-only; its forward path is the separate, closed-source Kiro CLI. The container you reach from Cosyra is a product we ship and keep updating.

An opinion an AWS engineer will push back on

We think tying your coding agent to a cloud provider's identity is a step backward for most developers, even when that provider is AWS. The AWS crowd will disagree, and inside a big AWS org they're right that one identity, one bill, and account-aware context beat juggling provider keys. But for someone who just wants to kick off and steer an agent from a phone on the train, "free, but only if you sign in to AWS and stay at a desktop" isn't really free. That's the exact reason we built Cosyra as a provider-neutral container with a native app instead of wiring ourselves to one cloud's login.

Who should pick the Amazon Q CLI instead of Cosyra?

Pick the Amazon Q Developer CLI instead of Cosyra if you're at a capable desktop, you live in AWS, you want a free tier, or you need account-aware AWS reasoning. For those profiles Amazon Q is the better tool, and we'd tell you so. It's frozen, but it's frozen-and-supported, which is fine for a great many workflows.

Try the Amazon Q CLI first if you are one of these profiles

• Deep in AWS at a desk. Your day is AWS resources and you want an agent that queries your account. Amazon Q's account-aware reasoning is the whole point, it's free to start, and a phone isn't your primary surface. That's the right answer for you.
• You want a no-cost agent on hardware you already own. On a laptop you keep open, the Free tier's 50 agentic requests a month at $0 is hard to beat, and there's no hosted box to pay for. If budget is the constraint and you're always at a desk, start there.
• You need AWS enterprise governance. IAM Identity Center SSO, admin controls, and IP indemnity matter to your org. Those are AWS controls we don't offer as a consumer app; Amazon Q is the honest pick.

We use provider-neutral CLIs at our desks and we use Cosyra when we want an agent on a phone with no laptop to keep open. They aren't mutually exclusive, and since Amazon Q's Linux build installs inside a Cosyra container, the line between them is thinner than it looks.

How do you try Cosyra if you're coming from Amazon Q?

You try Cosyra from an Amazon Q background in about two minutes: install from the App Store or Google Play, sign in, and you land in a fresh Ubuntu 24.04 x86_64 container instead of a terminal on a desktop you keep open. Your four agents are already on the PATH, and if you want Amazon Q specifically, its Linux build installs the same way it would on any Linux laptop, then q login with your Builder ID. The session below is what we run on a fresh install.

The big unlock for most people coming from Amazon Q: there's no desktop to keep open anymore. The container is the always-on machine, it hibernates when idle and resumes where you left off, and you reach it the same way from any device — and Amazon Q's Linux build runs inside it if you want it.

Frequently asked questions