Apollo Atomics vs Terrestrial Energy
Apollo Atomics vs Terrestrial 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 Terrestrial Energy on 50/100.
Where each one leads
Apollo Atomics
Leads on none of the measures we hold for both companies.
Terrestrial Energy
- our overall score: 50/100 against 39/100
- agent readiness: 55/100 against 42/100
- domain rating: 54/100 against 32/100
- funding raised: $292M against $26.5M
At a glance
| Measure | Apollo Atomics | Terrestrial Energy |
|---|---|---|
| What it is | Shrinking a key nuclear reactor part to make nuclear power cheaper than natural gas. | Developing advanced Integral Molten Salt Reactors (IMSR) for clean, cost-competitive industrial heat and electricity. |
| Category | Nuclear Power, Clean Energy, Hardware, Advanced Materials | Nuclear Power, Clean Energy, Energy Storage, Advanced Manufacturing |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2025 | 2013 |
| Headquarters | Cambridge, United States | Charlotte, United States |
| Status | Active | Inactive |
Size, funding and growth
| Measure | Apollo Atomics | Terrestrial Energy |
|---|---|---|
| Total funding | $26.5M | $292M |
| Latest round | Debt | Funding Round |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Apollo Atomics | Terrestrial Energy |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 39/100 | 50/100 |
| Traction | 37/100 | 40/100 |
| Team | 70/100 | 70/100 |
| Community | Not published | 15/100 |
| Search visibility | Not published | 12/100 |
| Quality | Not published | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (42/100) | D (55/100) |
| Domain ratingLink authority, 0-100 | 32/100 | 54/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Apollo Atomics | Terrestrial Energy |
|---|---|---|
| CMS | Framer | Not detected |
Apollo Atomics vs Terrestrial Energy: common questions
Which is better, Apollo Atomics or Terrestrial Energy?
On our 0-100 score Terrestrial Energy rates higher (50/100 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 Terrestrial Energy compare on the numbers?
Terrestrial Energy leads on our overall score (50/100 against 39/100), agent readiness (55/100 against 42/100), domain rating (54/100 against 32/100), funding raised ($292M against $26.5M).
Read the full Apollo Atomics review and pricing or the Terrestrial Energy review and pricing. You can also browse other Apollo Atomics alternatives we track.

