Isorun vs Phonebox

Isorun costs $0.025 per vCPU-hour. Isorun runs microVMs. Phonebox limits a session to 3 hours.

Updated Oct 15, 2026

Isorun

Isolated Linux microVMs from any Docker image.

Isolation: MicroVM
Free tier: $50 credit
Max session: Not listed

Visit site Isorun 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

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

Field

Isorun

Phonebox

Free tier: Isorun: $50 credit; Phonebox: $2 starter credit, one time, no card
Billing: Isorun: Per second; Phonebox: Bundled machine time
Integrations: Isorun: LangChain, OpenAI Agents SDK, MCP; Phonebox: MCP

Full comparison

18 fields, at each provider's list price

Isorundocs.isorun.ai/getting-started/pricingdocs.isorun.ai

Phoneboxphonebox.dev/pricingphonebox.dev

Pricing

vCPU, per hour: Isorun: $0.025; Phonebox: Not listed
RAM, per GiB-hour: Isorun: $0.015; Phonebox: Not listed
Storage: Isorun: Persistent disk $0.02 per GB-month for data stored; Phonebox: Not listed
Free tier: Isorun: $50 credit; Phonebox: $2 starter credit, one time, no card
Paid plan from: Isorun: Pay as you go; Phonebox: Pay as you go
Billing: Isorun: Per second; Phonebox: Bundled machine time

Limits

Max session: Isorun: Not listed; Phonebox: 3 hours
Idle stop: Isorun: After 5 minutes; Phonebox: After 5 minutes
Largest sandbox: Isorun: Not listed; Phonebox: Not listed
Concurrent sandboxes: Isorun: Not listed; Phonebox: Up to 5

Platform

Isolation: Isorun: MicroVM; Phonebox: Not listed
GPU: Isorun: Not listed; Phonebox: Not listed
Snapshots: Isorun:; Phonebox: Not listed
Pause and resume: Isorun:; Phonebox:

Developer

SDKs: Isorun: TypeScript; Phonebox: TypeScript
Integrations: Isorun: LangChain, OpenAI Agents SDK, MCP; Phonebox: MCP

Trust

License: Isorun: Not listed; Phonebox: Not listed
BYOC: Isorun: Not listed; Phonebox: Not listed

Hourly cost

One sandbox running for one hour

Size

Isorun

Phonebox

1 vCPU · 2 GiB: Isorun: $0.055; Phonebox: Not listed
2 vCPU · 4 GiB: Isorun: $0.110; Phonebox: Not listed
4 vCPU · 8 GiB: Isorun: $0.220; Phonebox: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

Isorun fits when

You use LangChain or the OpenAI Agents SDK.
You want the larger free credit: $50 against $2.
You need snapshots.
You need a desktop in the sandbox.

More comparisons

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Isorun

Phonebox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Isorun fits when

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