Apollo vs Duolingo
Apollo and Duolingo 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 | Duolingo |
|---|---|---|
| Vendor | Apollo.io | Duolingo |
| Rating | ★ 4.4 | ★ 4.6 |
| Pricing | Freemium | Freemium |
| Platforms | Web, API, Chrome | Web, iOS, Android |
| Key features | B2B contacts and emails, Sequences and dialer, AI email drafts | 40+ language courses, Gamified streaks & leagues, Duolingo Max: AI roleplay conversations |
| Headquarters | Covina, USA | Pittsburgh, USA |
| Founded | 2015 | 2011 |
| Open source | No | No |
Key differences
- Duolingo has a higher user rating (4.6★ vs 4.4★).
- Both Apollo and Duolingo use a Freemium model.
- Apollo runs on Web, API, Chrome; Duolingo runs on Web, iOS, Android.
Frequently asked questions
Is Apollo or Duolingo better?
By user rating, Duolingo scores higher (4.6★ vs 4.4★). Both are capable Productivity tools, so review the feature comparison for your use case.
Which is cheaper, Apollo or Duolingo?
Both Apollo and Duolingo use a Freemium pricing model.
Are Apollo and Duolingo open source?
No — neither Apollo nor Duolingo is open source.