Real Estate · alternatives
Alternatives to CoStar
19 real estate tools sit alongside CoStar in this directory. Below is what separates each from CoStar on the figures we hold, price, model, tier count and rating, and a direct comparison for every one.
- Alternatives listed
- 19
- With a free tier
- 2
- Cheaper to start
- -
- CoStar starts at
- On request
Why people look past CoStar
Only what the record supports. Each point below is a figure on the CoStar entry measured against the tools listed beside it.
There is no free tier
The record for CoStar carries no free tier, so evaluating it means paying first. 2 of the 19 alternatives below can be used without paying.
There is only one tier
CoStar publishes a single plan, CoStar at On request. There is no smaller tier to drop to if the fit is wrong or the budget moves.
What each alternative does differently
Ordered by the aggregated rating on each catalogue entry. Differences are drawn from price, pricing model, tier count and rating, the fields the category listing carries. For a feature-level difference, follow the head-to-head link on each card: those pages read both full records.
Commercial property ownership and contact data platform, acquired by Altus Group for roughly $202 million and now sold on unpublished, increasingly enterprise-focused pricing
Priced and rated the same as CoStar on the figures we hold. The difference, if there is one, is in the feature records.
Commercial property listing marketplace owned by CoStar, where searching is free and the paid product is advertising exposure for brokers
- Can be used without paying; CoStar cannot.
- Sold on a Free to search; paid tiers for listing advertisers model rather than quote.
- 3 tiers to CoStar's 1.
Cash flow forecasting and valuation software for commercial real estate, the industry-standard modelling tool now sold by Altus Group with no published price
Priced and rated the same as CoStar on the figures we hold. The difference, if there is one, is in the feature records.
Commercial real estate marketplace with a genuinely free core listing tier, monetised through PRO subscriptions for brokers and a separate Intelligence data product
- Can be used without paying; CoStar cannot.
- Sold on a Free core marketplace; paid PRO subscriptions and separate Intelligence data product model rather than quote.
- 3 tiers to CoStar's 1.
Leasing and asset management platform for commercial landlords, centralising deal pipeline, stacking plans and tenant activity with no published pricing
Priced and rated the same as CoStar on the figures we hold. The difference, if there is one, is in the feature records.
Real estate CRM and lead conversion platform from Inside Real Estate, rebranded from kvCORE in 2024
Priced and rated the same as CoStar on the figures we hold. The difference, if there is one, is in the feature records.
Every CoStar alternative at a glance
A dash means the catalogue entry carries no figure, not that the answer is nothing.
| Tool | Entry price | Model | Tiers | Head to head |
|---|---|---|---|---|
| CoStar (this page) | On request | Quote | 1 | |
| ReonomyA CRE data alternative, now under Altus Group, worth comparing on coverage and pricing model | On request | Quote | 1 | vs CoStar |
| LoopNetCoStar own free-to-list marketplace side, useful context since it is owned by the same company | Free | Free to search; paid tiers for listing advertisers | 3 | vs CoStar |
| ARGUS EnterpriseIf your need is valuation and cash flow modelling rather than raw comparable and ownership data | On request | Quote | 1 | vs CoStar |
| CREXi | Free | Free core marketplace; paid PRO subscriptions and separate Intelligence data product | 3 | vs CoStar |
| VTS | On request | Quote | 1 | vs CoStar |
| BoldTrail | On request | Quote | 1 | vs CoStar |
| Placester | On request | Quote | 1 | vs CoStar |
| Zillow | On request | Quote | 1 | vs CoStar |
| Rentec Direct | On request | Per unit per month with a monthly minimum | 2 | vs CoStar |
| Hemlane | On request | Per property per month plus a per unit charge | 3 | vs CoStar |
| Sell.Do | On request | Quote | 1 | vs CoStar |
| MRI Software | On request | Quote | 1 | vs CoStar |
| Yardi Voyager | On request | Quote | 1 | vs CoStar |
| Entrata | On request | Quote | 1 | vs CoStar |
| Rent Manager | On request | Quote | 1 | vs CoStar |
| DoorLoop | On request | Per unit per month with a monthly minimum | 3 | vs CoStar |
| TenantCloud | On request | Per month by unit count | 4 | vs CoStar |
| Propertyware | On request | Per unit per month with a monthly minimum | 3 | vs CoStar |
| RealPage | On request | Quote | - | vs CoStar |
Ratings are aggregated from third-party sources and imported with each catalogue entry; Softwr hosts no reviews of these products. How each figure is used is set out on the CoStar badges page.
Cheaper ways to solve the same problem
What you would be giving up
CoStar is most often brought in for a commercial brokerage needing lease and sales comparables to support underwriting and pitch materials, an institutional investor or lender wanting standardised market analytics across submarkets for portfolio decisions, a corporate real estate team needing lease administration through costar real estate manager, an appraiser needing sourced, defensible comparable transaction data for valuation reports. Anything replacing it has to cover the ones you actually depend on, and a cheaper tool that misses one of them is not cheaper.
Two things this page cannot settle. It compares on price, model, tier count and rating, because those are the fields the category listing carries, feature-level differences need both full records, which is what the head-to-head pages load. And the ratings are third-party aggregates imported with each entry rather than reviews written here, so a 0.2 difference between two tools is noise rather than a finding.
If CoStar is broadly right and the question is cost, the CoStar pricing breakdown covers every tier and what each one adds. If you want the whole field rather than a shortlist, the Real Estate category lists everything the directory holds, and best real estate tools ranks them.
CoStar runs on web. Platform coverage is not carried on the category listing for the alternatives, so it is one more thing to check on each head-to-head page rather than here.
Questions about CoStar alternatives
- What are the main alternatives to CoStar?
- 19 other real estate tools are listed in this directory, led by Reonomy, LoopNet, ARGUS Enterprise, CREXi. They are ordered by the aggregated rating on each catalogue entry, not by any Softwr ranking.
- What is the best free alternative to CoStar?
- 2 of the alternatives listed here can be used without paying: LoopNet, CREXi.
- Why do people look for an alternative to CoStar?
- On the figures on record, 2 things stand out: there is no free tier; there is only one tier. Each is set out with the numbers behind it above.
- What would I give up by switching from CoStar?
- CoStar is most often brought in for a commercial brokerage needing lease and sales comparables to support underwriting and pitch materials, an institutional investor or lender wanting standardised market analytics across submarkets for portfolio decisions, a corporate real estate team needing lease administration through costar real estate manager, an appraiser needing sourced, defensible comparable transaction data for valuation reports. Anything you replace it with has to cover the ones you actually rely on, the side-by-side comparisons linked from each alternative below put the two feature records against each other.
- Is there an open-source alternative to CoStar?
- None of the real estate tools listed here are recorded as open source. That is what the licence field on each entry says, and the field is not always filled in, so it is worth checking directly for any tool you are serious about.
- How were these CoStar alternatives chosen?
- They are the tools filed in the same category, Real Estate, ordered by the aggregated rating on each entry. There is no editorial shortlist, and nothing on this page is paid: no sponsored placement runs on alternatives pages and the order cannot be bought. Softwr has not used these products.
- Where can I compare CoStar against one of these directly?
- Every alternative below has a side-by-side page against CoStar covering price, platforms, features and what each one is used for. Those pages read the full record for both products rather than the summary shown here.
- Does this list cover every real estate tool?
- No. It covers what this directory holds in the Real Estate category, 19 tools beside CoStar. The category page lists the rest of the catalogue as it grows.