Krova Cloud vs Phonebox

Krova Cloud costs $0.001 per vCPU-hour. Krova Cloud runs Firecracker microVMs and has no session limit. Phonebox limits a session to 3 hours.

Updated

Krova Cloud

Isolation
Firecracker microVM
Free tier
$5 credit, one time
Max session
No limit

Phonebox

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

What is different

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

Krova Cloud
Phonebox
Free tier
Krova Cloud: $5 credit, one time
Phonebox: $2 starter credit, one time, no card
Billing
Krova Cloud: Per second
Phonebox: Bundled machine time
Max session
Krova Cloud: No limit
Phonebox: 3 hours
SDKs
Krova Cloud: JavaScript / TypeScript
Phonebox: TypeScript
Integrations
Krova Cloud: MCP, Claude Code
Phonebox: MCP

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Krova Cloud: $0.001
Phonebox: Not listed
RAM, per GiB-hour
Krova Cloud: $0.0025
Phonebox: Not listed
Storage
Krova Cloud: $0.00005 per GiB-hour
Phonebox: Not listed
Free tier
Krova Cloud: $5 credit, one time
Phonebox: $2 starter credit, one time, no card
Paid plan from
Krova Cloud: Pay as you go
Phonebox: Pay as you go
Billing
Krova Cloud: Per second
Phonebox: Bundled machine time

Limits

Max session
Krova Cloud: No limit
Phonebox: 3 hours
Idle stop
Krova Cloud: Not listed
Phonebox: After 5 minutes
Largest sandbox
Krova Cloud: 16 vCPU · 32 GiB
Phonebox: Not listed
Concurrent sandboxes
Krova Cloud: Not listed
Phonebox: Up to 5

Platform

Isolation
Krova Cloud: Firecracker microVM
Phonebox: Not listed
GPU
Krova Cloud: Not listed
Phonebox: Not listed
Snapshots
Krova Cloud:
Phonebox: Not listed
Pause and resume
Krova Cloud:
Phonebox:

Developer

SDKs
Krova Cloud: JavaScript / TypeScript
Phonebox: TypeScript
Integrations
Krova Cloud: MCP, Claude Code
Phonebox: MCP

Trust

License
Krova Cloud: Not listed
Phonebox: Not listed
BYOC
Krova Cloud: Not listed
Phonebox: Not listed

Hourly cost

One sandbox running for one hour

Krova Cloud
Phonebox
1 vCPU · 2 GiB
Krova Cloud: $0.006
Phonebox: Not listed
2 vCPU · 4 GiB
Krova Cloud: $0.012
Phonebox: Not listed
4 vCPU · 8 GiB
Krova Cloud: $0.024
Phonebox: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

Krova Cloud fits when

  • A session must run longer than 3 hours.
  • You use Claude Code.
  • You want the larger free credit: $5 against $2.
  • You need snapshots.

More comparisons

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