Brimble Sandboxes vs Phonebox

Brimble Sandboxes runs gVisor and limits a session to 6 hours. Phonebox limits a session to 3 hours.

Updated Oct 23, 2026

Brimble Sandboxes

Sandbox product of the Brimble hosting platform that runs code in gVisor containers.

Isolation: gVisor
Free tier: 7-day Developer plan trial, card required
Max session: 6 hours

Visit site Brimble Sandboxes profile

Phonebox

Cloud Android phones that AI agents control through their screens.

Isolation: Not listed
Free tier: $2 starter credit, one time, no card
Max session: 3 hours

Visit site Phonebox profile

What is different

7 fields differ. The rest are the same or not listed.

Field

Brimble Sandboxes

Phonebox

Free tier: Brimble Sandboxes: 7-day Developer plan trial, card required; Phonebox: $2 starter credit, one time, no card
Paid plan from: Brimble Sandboxes: $3 / month; Phonebox: Pay as you go
Billing: Brimble Sandboxes: Per second; Phonebox: Bundled machine time
Max session: Brimble Sandboxes: 6 hours; Phonebox: 3 hours
Concurrent sandboxes: Brimble Sandboxes: Up to 15; Phonebox: Up to 5
SDKs: Brimble Sandboxes: JavaScript / TypeScript, Python, Go; Phonebox: TypeScript
Integrations: Brimble Sandboxes: MCP, Claude Code; Phonebox: MCP

Full comparison

18 fields, at each provider's list price

Brimble Sandboxesbrimble.io/pricing

Phoneboxphonebox.dev/pricingphonebox.dev

Pricing

vCPU, per hour: Brimble Sandboxes: Not listed; Phonebox: Not listed
RAM, per GiB-hour: Brimble Sandboxes: Not listed; Phonebox: Not listed
Storage: Brimble Sandboxes: Snapshot storage and persistent volumes bill at storage rates; Phonebox: Not listed
Free tier: Brimble Sandboxes: 7-day Developer plan trial, card required; Phonebox: $2 starter credit, one time, no card
Paid plan from: Brimble Sandboxes: $3 / month; Phonebox: Pay as you go
Billing: Brimble Sandboxes: Per second; Phonebox: Bundled machine time

Limits

Max session: Brimble Sandboxes: 6 hours; Phonebox: 3 hours
Idle stop: Brimble Sandboxes: Not listed; Phonebox: After 5 minutes
Largest sandbox: Brimble Sandboxes: 4 vCPU · 8 GiB; Phonebox: Not listed
Concurrent sandboxes: Brimble Sandboxes: Up to 15; Phonebox: Up to 5

Platform

Isolation: Brimble Sandboxes: gVisor; Phonebox: Not listed
GPU: Brimble Sandboxes: Not listed; Phonebox: Not listed
Snapshots: Brimble Sandboxes:; Phonebox: Not listed
Pause and resume: Brimble Sandboxes:; Phonebox:

Developer

SDKs: Brimble Sandboxes: JavaScript / TypeScript, Python, Go; Phonebox: TypeScript
Integrations: Brimble Sandboxes: MCP, Claude Code; Phonebox: MCP

Trust

License: Brimble Sandboxes: Not listed; Phonebox: Not listed
BYOC: Brimble Sandboxes: Not listed; Phonebox: Not listed

Hourly cost

One sandbox running for one hour

Size

Brimble Sandboxes

Phonebox

1 vCPU · 2 GiB: Brimble Sandboxes: Not listed; Phonebox: Not listed
2 vCPU · 4 GiB: Brimble Sandboxes: Not listed; Phonebox: Not listed
4 vCPU · 8 GiB: Brimble Sandboxes: Not listed; Phonebox: Not listed

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Brimble Sandboxes fits when

A session must run longer than 3 hours.
You use Claude Code.
You need snapshots.

Phonebox fits when

You want to pay only for usage, with no plan fee.

More comparisons

See all comparisons

Brimble Sandboxes

Phonebox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Brimble Sandboxes fits when

Phonebox fits when

More comparisons

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