Most estimating software evaluations fail the same way: the buyer watches four demos, likes the one with the best presenter, buys it, and abandons it within a year. The demos are not the problem. The problem is that a demo shows the software doing work the vendor chose, on a drawing set the vendor chose, at a pace the vendor controls.
Start from your own last five bids
Before looking at any product, pull the last five jobs you bid. Write down how long each estimate took, where the numbers came from, what you got wrong, and what you would need to have known to get it right. That document is your evaluation criteria. Without it you will end up evaluating features instead of outcomes.
Insist on your own drawing set
A trial that uses the vendor's sample project tells you almost nothing. Ask to run one of your real, awkward, badly-scanned drawing sets through the tool during the trial, and time it yourself. If a vendor will not allow that, treat the refusal as information.
Separate the three kinds of claim
Every statement made during an evaluation falls into one of three categories, and they carry very different weight:
- Vendor-reported: the vendor says the product does something. Useful for narrowing a list, insufficient for a decision.
- Independently verified: someone outside the vendor confirmed the fact against a primary source, and can say when they checked.
- Independently benchmarked: someone ran a controlled test and published both the method and the result.
Most published software comparisons consist entirely of the first category while presenting themselves as the second or third. Knowing which one you are reading is the single most useful evaluation skill.
Cost the switch, not the subscription
The subscription price is usually the smallest number in the decision. Rebuilding an assembly library, re-entering historical cost data, retraining estimators, and running two systems in parallel during a transition typically cost more in the first year than the licence does. Ask specifically what data can be imported, in what format, and whether the vendor has done it before for a business your size.
Find out what happens when you leave
Ask how to export your estimates, your cost database, and your historical job data, and ask for the format. A vendor confident in the product answers this easily. The answer also tells you how expensive a mistake would be to reverse, which should change how much certainty you need before committing.
Questions worth asking every vendor
- How often is the shipped cost data updated, and from what source?
- What happens to my estimates if I stop paying?
- Can two estimators work on the same bid at the same time, and what happens if they conflict?
- What is the most common reason customers leave?
- Which parts of my workflow will still need a spreadsheet?