ConAktiv vs OS/ Agentursoftware (2026): Pricing, Features & Verdict
OS/ Agentursoftware is our pick, scoring 6.4/10 against 5.6/10 for ConAktiv on our Finance Software criteria. Its biggest advantage: higher Ease of Use score (8/10 vs 4/10). For 10 users, ConAktiv costs about €290/mo, against €299/mo for OS/ Agentursoftware; neither ConAktiv nor OS/ Agentursoftware lists a free plan.
Last updated: November 2026
ConAktiv
5.6/10
German modular ERP software from Connectivity GmbH for project-based agencies, consultancies and IT service firms, covering CRM, time tracking, project control, invoicing and dunning.
OS/ Agentursoftware
6.4/10
Cloud agency ERP from Berlin-based 314 OS GmbH. It covers project costing, budget controlling, time tracking, invoicing and DATEV handoff for agencies and project-based firms.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 5.6/10 | 6.4/10 |
| Scalability | 5/10 | 6/10 |
| Analytics | 6/10 | 7/10 |
| Compliance | 6/10 | 7/10 |
| Integration | 5/10 | 7/10 |
| Security | 5/10 | 6/10 |
| Support | 8/10 | 8/10 |
| Cost | 6/10 | 4/10 |
| Customization | 8/10 | 5/10 |
| Ease of Use | 4/10 | 8/10 |
| Pricing | ||
| Free plan | No | No |
| Cheapest paid plan | €29/user/mo Rental (subscription) | €299/mo Premium |
| Estimated cost for 10 users | €290/mo Rental (subscription) | €299/mo Premium |
| Features | ||
| Accountant Access | ||
| Financial Reporting | ||
| Invoicing | ||
| Tax Compliance | ||
| Accounts Payable | Not listed | |
| Budgeting and Forecasting | Not listed | |
| Expense Management | Not listed | |
| Multi-currency | Not listed | |
| Multi-entity Consolidation | Not listed | |
ConAktiv vs OS/ Agentursoftware cost by team size
ConAktiv costs less up to 10 users; OS/ Agentursoftware costs less from 25 users.
| Team size | ConAktiv | OS/ Agentursoftware |
|---|---|---|
| 1 user | €29/moRental (subscription) | €299/moPremium |
| 5 users | €145/moRental (subscription) | €299/moPremium |
| 10 users | €290/moRental (subscription) | €299/moPremium |
| 25 users | €725/moRental (subscription) | €299/moPremium |
| 50 users | €1,450/moRental (subscription) | €299/moPremium |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Who ConAktiv and OS/ Agentursoftware suit
| Audience | ConAktiv | OS/ Agentursoftware |
|---|---|---|
| Consultancies | 8/10The vendor offers a consulting edition and is a member of the German consultants' association BDU. | 7/10The vendor names consultancies as a target, and the software is built around project-based billing. |
| Small Business | 6/10Many reviewers are small firms, though they need help to set it up. | 5/10The entry plan costs 199 euros a month on annual billing, which is steep for very small teams. |
| Agencies | 9/10The vendor sells a dedicated agency edition, and most OMR reviewers are agencies and design studios. | 9/10It was built by an agency, specifically for agency project costing and controlling. |
| Freelancers | Not rated | 2/10The flat agency pricing and project-manager limits are a poor fit for solo workers. |
| IT Teams | 6/10Softguide lists a ConAktiv edition for IT service companies. | Not rated |
| Mid-Market | 7/10The vendor positions it for mid-sized, project-oriented companies. | Not rated |
Which One Should You Choose?
Why choose ConAktiv
- Lower estimated cost for 10 users: €290/mo vs €299/mo
- Higher Customization score (8/10 vs 5/10)
- Higher Cost score (6/10 vs 4/10)
Why choose OS/ Agentursoftware
- Higher Ease of Use score (8/10 vs 4/10)
- Higher Integration score (7/10 vs 5/10)
Pros & Cons
ConAktiv
Pros
- Brings CRM, time tracking, project controlling, quotes, invoicing and dunning together for project-based service firms
- OMR reviewers say quotes are generated automatically from project data and like the budget-versus-hours traffic light on projects
- Supports ZUGFeRD and XRechnung e-invoicing and can export booking data to DATEV
- Reviewers praise support and say the developers are willing to build custom features
- Can run on premises, in the cloud or in a browser, with Windows, Mac and mobile clients
Cons
- Usability is the most common complaint on OMR: users call the interface dated, slow and unintuitive
- Some reviewers report crashes and stability problems
- Reviewers find invoice creation and time entry cumbersome, with no presets for recurring entries
- Prices are not published, and directories give conflicting starting prices
- Full bookkeeping is an extra module, and most accounting work happens in DATEV
OS/ Agentursoftware
Pros
- Users are unlimited on every plan, and only active project managers count toward the plan limit.
- Live budget-versus-actual controlling per project, including true labour costs, gives agencies a view of profitability.
- The DATEV integration sends approved invoice data straight to the tax advisor without manual exports.
- OMR reviewers rate support highly (96 percent), and the vendor says chat replies come within minutes.
- It supports GoBD compliance, e-invoicing and ZUGFeRD, and is hosted in Germany on AWS.
Cons
- It is not a full accounting system: there is no general ledger, payroll or tax filing.
- The entry price of 199 euros a month on annual billing is high for small studios.
- Reviewers say setup and getting familiar with the software take time.
- Some reviewers want more flexible reports and dashboards, and better contact import and export.
- Most information is in German, and the product is focused on the DACH market.
Not sold on either?
Frequently Asked Questions
OS/ Agentursoftware scores higher on our Finance Software criteria: 6.4/10 against 5.6/10 for ConAktiv. The largest gap is in Ease of Use: 4/10 for ConAktiv and 8/10 for OS/ Agentursoftware.
ConAktiv costs less for 10 users: about €290/mo on its Rental (subscription) plan, against about €299/mo on its Premium plan for OS/ Agentursoftware, billed monthly.
No, neither ConAktiv nor OS/ Agentursoftware lists a free plan.