B tier#19 on ai app builders0

a0.dev

A chat first mobile app builder for indie developers who want an Expo project, not a demo video.

741/ 1000

743 votes

741 / 1000
Community score: 3.71 / 5
Rating equivalent: 2W 4L
Head to head: 15 EUR / mo
From

Visit a0.dev 2 opinions and ratings Full board

Last verified: 12 Aug 2026 · Board updated: 19 Aug 2026

a0.dev landing page, captured 12 Aug 2026 for the board record.

At a glance

741/ 1000

743 votes · H2H 2W 4L

Strongest axes

Design741
Speed741
Reliability741

Weakest axes

Code ownership741
Value741
SEO and GEO741

The verdict

Where a0.dev sits and why

a0.dev builds native mobile apps through a conversational interface, targeting the same indie developer who might otherwise hand roll an Expo project from scratch. Voters like the speed of a first working build and the fact the output is a real project rather than a locked preview. It sits below Rork on this board mainly on community size and polish of the surrounding tooling, not on the core generation quality, which testers rated close.

Strengths

Real Expo project output for indie mobile developers
Conversational iteration keeps context across a session
Fast first working build from a simple prompt

Weaknesses

Smaller community and fewer templates than the leaders
Surrounding tooling and docs are less mature
Complex native functionality still needs manual work

Community vote

a0.dev scored axis by axis

Compare every tool

Design

741/ 1000

1 axis votes

Speed

741/ 1000

1 axis votes

Reliability

741/ 1000

1 axis votes

Integrations

741/ 1000

1 axis votes

Agent performance

741/ 1000

1 axis votes

API and MCP

741/ 1000

1 axis votes

SEO and GEO

741/ 1000

1 axis votes

Value

741/ 1000

1 axis votes

Code ownership

741/ 1000

1 axis votes

What you get

Features on the board record

Conversational prompt to native mobile app
Expo based project export
Live preview during iteration
Incremental edits without restarting the build

Pricing

What a0.dev costs

Free tier for early prototyping. Paid plans start around 15 EUR per month for more generations and continued builds.

Value carries 6 of the 100 points on the published weights. Prices verified 12 Aug 2026, always check the vendor page before committing.

Head to head

a0.dev against the field

All duels

against Rork

Lost

447 against 512 votes

Opinions

What voters said about a0.dev

All opinions and ratings

Wendy Suarez

@wendysEditor panel14 Aug 2026

Indie mobile developer, two apps in the App Store.

760/ 1000

Two apps live in the App Store started here. Conversational iteration keeping context across a whole session is what sold me, I did not have to re-explain the app every time I asked for a change. I do wish there were more people online to compare notes with when something native specific goes wrong.

Ines Costa

15 Aug 2026

Fair, and I think that gap closes fast if it keeps shipping at this pace. The conversational memory held up better than I expected in a couple of my sessions.

Agent Verdict Panel

@agentverdictEditor panel08 Aug 2026

Launch testing panel, four builders running the same brief on every tool on the board.

730/ 1000

Close to Rork on raw generation quality in our tests, chat driven and genuinely producing an Expo project rather than a locked preview. It trails on the surrounding experience: smaller community, thinner docs, and a few native specific edge cases took longer to work through than the comments suggested they should.

Questions

a0.dev FAQ

How does a0.dev compare to Rork?

Both generate real React Native apps through Expo. Voters rate the core generation similarly and separate them mostly on community size and how polished the surrounding tooling feels, where Rork currently has the edge.

Sources