Phonebox vs Sandock

Phonebox limits a session to 3 hours. Sandock runs containers and limits a session to 8 hours.

Updated Oct 15, 2026

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

Sandock

Docker sandboxes with persistent volumes for AI agents.

Isolation: Container
Free tier: None
Max session: 8 hours

Visit site Sandock profile

What is different

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

Field

Phonebox

Sandock

Free tier: Phonebox: $2 starter credit, one time, no card; Sandock: None
Paid plan from: Phonebox: Pay as you go; Sandock: $5 / month
Max session: Phonebox: 3 hours; Sandock: 8 hours
Idle stop: Phonebox: After 5 minutes; Sandock: After 30 minutes
Concurrent sandboxes: Phonebox: Up to 5; Sandock: Up to 150
SDKs: Phonebox: TypeScript; Sandock: JavaScript / TypeScript

Full comparison

18 fields, at each provider's list price

Phoneboxphonebox.dev/pricingphonebox.dev

Sandocksandock.ai/pricing

Pricing

vCPU, per hour: Phonebox: Not listed; Sandock: Not listed
RAM, per GiB-hour: Phonebox: Not listed; Sandock: Not listed
Storage: Phonebox: Not listed; Sandock: Not listed
Free tier: Phonebox: $2 starter credit, one time, no card; Sandock: None
Paid plan from: Phonebox: Pay as you go; Sandock: $5 / month
Billing: Phonebox: Bundled machine time; Sandock: Not listed

Limits

Max session: Phonebox: 3 hours; Sandock: 8 hours
Idle stop: Phonebox: After 5 minutes; Sandock: After 30 minutes
Largest sandbox: Phonebox: Not listed; Sandock: 8 vCPU · 8 GiB
Concurrent sandboxes: Phonebox: Up to 5; Sandock: Up to 150

Platform

Isolation: Phonebox: Not listed; Sandock: Container
GPU: Phonebox: Not listed; Sandock: Not listed
Snapshots: Phonebox: Not listed; Sandock: Not listed
Pause and resume: Phonebox:; Sandock:

Developer

SDKs: Phonebox: TypeScript; Sandock: JavaScript / TypeScript
Integrations: Phonebox: MCP; Sandock: MCP

Trust

License: Phonebox: Not listed; Sandock: MIT
BYOC: Phonebox: Not listed; Sandock: Private / VPC deployment on Enterprise

Hourly cost

One sandbox running for one hour

Size

Phonebox

Sandock

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

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Phonebox fits when

You want to pay only for usage, with no plan fee.
You want to start without paying.

Sandock fits when

A session must run longer than 3 hours.
You want an open-source platform (MIT) that you can self-host.
You need the sandboxes in your own cloud account.

More comparisons

See all comparisons

Phonebox

Sandock

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Phonebox fits when

Sandock fits when

More comparisons

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