Apollo Atomics vs Zap Energy
Apollo Atomics vs Zap Energy, compared side by side on 14 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Apollo Atomics is on 39/100 and Zap Energy on 61/100.
Where each one leads
Apollo Atomics
Leads on none of the measures we hold for both companies.
Zap Energy
- our overall score: 61/100 against 39/100
- domain rating: 48/100 against 32/100
- funding raised: $324M against $26.5M
At a glance
| Measure | Apollo Atomics | Zap Energy |
|---|---|---|
| What it is | Shrinking a key nuclear reactor part to make nuclear power cheaper than natural gas. | Developing advanced fusion and fission nuclear energy technologies for carbon-free power. |
| Category | Nuclear Power, Clean Energy, Hardware, Advanced Materials | Clean Energy, Nuclear Energy, Fusion, Fission |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2025 | 2017 |
| Headquarters | Cambridge, United States | Everett, USA |
| Status | Active | Active |
Size, funding and growth
| Measure | Apollo Atomics | Zap Energy |
|---|---|---|
| Total funding | $26.5M | $324M |
| Latest round | Debt | Series D |
| Valuation | Not published | $1.1B |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Apollo Atomics | Zap Energy |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 39/100 | 61/100 |
| Traction | 37/100 | 40/100 |
| Team | 70/100 | 70/100 |
| Search visibility | Not published | 19/100 |
| Quality | Not published | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (42/100) | D (40/100) |
| Domain ratingLink authority, 0-100 | 32/100 | 48/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Apollo Atomics | Zap Energy |
|---|---|---|
| Hosting | Not detected | AWS |
| CDN | Not detected | CloudFront |
| CMS | Framer | Not detected |
| Frameworks | Not detected | Tailwind CSS |
| Analytics | Not detected | Google Analytics 4 |
Apollo Atomics vs Zap Energy: common questions
Which is better, Apollo Atomics or Zap Energy?
On our 0-100 score Zap Energy rates higher (61/100 against 39/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 14 data points above: read the rows that match what you are buying for.
How do Apollo Atomics and Zap Energy compare on the numbers?
Zap Energy leads on our overall score (61/100 against 39/100), domain rating (48/100 against 32/100), funding raised ($324M against $26.5M).
Read the full Apollo Atomics review and pricing or the Zap Energy review and pricing. You can also browse other Apollo Atomics alternatives we track.

