Apollo vs Glean
Apollo and Glean are both Productivity tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Apollo | Glean |
|---|---|---|
| Vendor | Apollo.io | Glean |
| Rating | ★ 4.4 | ★ 4.5 |
| Pricing | Freemium | Paid |
| Platforms | Web, API, Chrome | Web, Desktop |
| Key features | B2B contacts and emails, Sequences and dialer, AI email drafts | Enterprise knowledge indexing, Permissions-aware answers, Cited results |
| Headquarters | Covina, USA | Palo Alto, USA |
| Founded | 2015 | 2019 |
| Open source | No | No |
Key differences
- Glean has a higher user rating (4.5★ vs 4.4★).
- Apollo is Freemium, while Glean is Paid.
- Apollo runs on Web, API, Chrome; Glean runs on Web, Desktop.
Frequently asked questions
Is Apollo or Glean better?
By user rating, Glean scores higher (4.5★ vs 4.4★). Both are capable Productivity tools, so review the feature comparison for your use case.
Which is cheaper, Apollo or Glean?
Apollo is Freemium and Glean is Paid. Check each product page for current plan details.
Are Apollo and Glean open source?
No — neither Apollo nor Glean is open source.