Models Comparison

Criteria   Cooperation models
Detailed specification
Fixed Price
Required
Time & Materials
Not required
Dedicated Team
Not required
Criteria
Plan of work
Fixed Price
Strict
Time & materials
Flexible
Dedicated team
Flexible
Criteria
Changes
Fixed Price
Allowed at extra charge
Time & materials
Allowed
Dedicated team
Allowed
Criteria
Dedicated human resources
Fixed Price
No
Time & materials
No
Dedicated team
Yes
Criteria
Work schedule
Fixed Price
Part-time
Time & materials
Upon agreement
Dedicated team
Full-time (174 billable hours per month)
Criteria
Developer’s availability
Fixed Price
Not disclosed
Time & materials
Upon agreement
Dedicated team
Permanent during working day
Criteria
Hourly rate
Fixed Price
High
Time & materials
Moderate
Dedicated team
Low
Criteria
Idle time
Fixed Price
N/A
Time & materials
N/A
Dedicated team
Paid by customer
Criteria
Ukrainian bank holidays
Fixed Price
N/A
Time & materials
N/A
Dedicated team
Paid by customer
Criteria
Annual 4 weeks vacation (as per Ukrainian law)
Fixed Price
N/A
Time & materials
N/A
Dedicated team
Paid by customer
Criteria
Days off
Fixed Price
N/A
Time & materials
N/A
Dedicated team
To be worked off by developer or deducted from monthly fee
Criteria
Overtime
Fixed Price
N/A
Time & materials
N/A
Dedicated team
Paid by customer
Criteria
Tariff
Fixed Price
Flat fee
Time & materials
Hourly rate
Dedicated team
Monthly rate
Criteria
Payment scheme
Fixed Price
50% – Upfront payment 50% – Upon approval
Time & materials
Monthly
Dedicated team
Monthly
Criteria
Upfront payment
Fixed Price
50%
Time & materials
50%
Dedicated team
Equivalent to 1 team-month
Criteria
Client’s involvement
Fixed Price
Low
Time & materials
High
Dedicated team
Adjustable
Criteria
Project duration
Fixed Price
Up to 2 months
Time & materials
Up to 6 months
Dedicated team
Over 6 months
Criteria
Average time to start
Fixed Price
1 week
Time & materials
2-4 weeks
Dedicated team
1-2 months
Criteria
Support and bug-fixing
Fixed Price
1 month subscription included
Time & materials
N/A
Dedicated team
N/A
Criteria
Retention of knowledge
Fixed Price
Low
Time & materials
Low
Dedicated team
High
Criteria
Retention of developers
Fixed Price
Low
Time & materials
Low
Dedicated team
High
Criteria
Training programs
Fixed Price
N/A
Time & materials
N/A
Dedicated team
Upon request. Paid by customer
Criteria
Dedicated hardware and software infrastructure
Fixed Price
No
Time & materials
No
Dedicated team
Yes
Criteria
Intellectual property
Fixed Price
Belongs to customer
Time & materials
Belongs to customer
Dedicated team
Belongs to customer

Support packages

Criteria  / Subscription type
Turnaround time
Regular
3-5 days
Premium
1 business day
Criteria
Time slots per month
Regular support
  • 20 hours
  • 40 hours
  • 80 hours
Premium support
  • 20 hours
  • 40 hours
  • 80 hours
Criteria
Extra hours
Regular support
Upon extra charge
Premium support
Upon extra charge
Criteria
Means of communication
Regular support
  • Email
  • Bug-tracker
Premium support
  • Email
  • Bug-tracker
  • Chat
  • Video conference
Criteria
Tariff
Regular support
Upfront monthly fee
Premium support
Upfront monthly fee
Criteria
Hourly rate
Regular support
Low
Premium support
Moderate
Criteria
Minimum duration
Regular support
1 month
Premium support
1 month

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