Criteria \ Cooperation models | Fixed price | Time and materials | Dedicated developer / team |
---|---|---|---|
Detailed specification | Required | Not required | Not required |
Plan of work | Strict | Flexible | Flexible |
Changes | Allowed at extra charge | Allowed | Allowed |
Dedicated human resources | No | No | Yes |
Work schedule | Part-time | Upon agreement | Full-time (in average 168 hours per month) |
Developer’s availability | Not disclosed | Upon agreement | Permanent during working day |
Hourly rate | High | Moderate | Low |
Idle time | N/A | N/A | Paid by customer |
Ukrainian Bank Holidays | N/A | N/A | Paid by customer |
Annual 4 weeks vacation (as per Ukrainian law) | N/A | N/A | Paid by customer |
Days-off | N/A | N/A | To be worked out by developer or deducted from monthly fee |
Overtimes | N/A | N/A | Paid by customer |
Tariff | Fixed amount | Rate per hour | Monthly rate |
Min. budget | Equivalent to 60 (sixty) man-hours | Equivalent to 80 (eighty) man-hours | Equivalent to 6 (six) man-month |
Payment scheme | 50% – Upfront payment 50% – Once approved |
Monthly | Monthly |
Deposit | 50% | Equivalent to 80 man-hours | Equivalent to 1 team-month |
Client’s involvement | Low | High | Adjustable |
Project duration | Up to 2 months | Up to 6 months | More than 6 months |
Average time to start | 1 week | 2-4 weeks | 1-2 months |
Support and bugs fixing | Premium Support 1 month subscription |
N/A | N/A |
Retention of knowledge | Low | Low | High |
Retention of developers | Low | Low | High |
Training Programs | Absent | Absent | According to the customer’s specific requests |
Dedicated hardware and software infrastructure | No | No | Yes |
Intellectual property | Belongs to customer | Belongs to customer | Belongs to customer |