astunit.com and sky-map.com are both overseas Education and are often compared head-to-head. This page lines them up item by item — rating, price, China accessibility, HQ, payments and refund policy — and ends with practical "which to pick" guidance.
On balance, sky-map.com comes out slightly ahead — it offers Better mainland China accessibility. That said, astunit.com has its strengths too: Close to its rival on most dimensions — little to separate them. If that matters more to you, astunit.com is well worth considering.
| Comparison | astunit.com | sky-map.com |
|---|---|---|
| Category | 📚 Education 天文科普 |
📚 Education 天文科普 |
| Overall rating | 6.0/10 | 6.0/10 |
| Monthly price | N/A | N/A |
| Yearly price | — | — |
| China access | ★☆☆ Partial (proxy needed) |
★★☆ Mostly works |
| HQ | United States | Unknown |
| Network | — | — |
| Payment methods | — | — |
| Refund guarantee | — | — |
| Editor notes | 免费天文学教程，中文用户可参考 |
天文学习工具，免费探索星图较有用。 |
| Data source | In-depth review | In-depth review |
The guidance above is auto-compiled by TG4G from public data and is not purchase advice. Always rely on the official site and your own testing. A green cell marks the better value on that dimension (higher rating / CN / refund, or lower price). Some links are affiliate links (rel="sponsored nofollow").
If you want all-round balance and reputation, choose sky-map.com; if your core need happens to be astunit.com's strength (Close to its rival on most dimensions — little to separate them), then astunit.com is the better fit. Either way, trial the cheapest plan for a week before committing long-term.
This page is a side-by-side reference, not purchase advice; prices and policies are per the official sites, and some links are affiliate.