OwnStarMap vs Custom Star Maps: Honest Comparison 2026
Custom Star Maps is one of several English-language sellers of personalized star maps, positioned in the low-to-mid segment of the US market. OwnStarMap, founded in 2024 and based in Dives-sur-Mer (France), offers a live configurator and rendering based on the scientific HYG v4.2 catalog. This comparison relies only on publicly observable signals (listed prices, product options, supported languages).
| OwnStarMap | Custom Star Maps | |
|---|---|---|
| Number of stars | 8,921 | Not publicly specified |
| Star catalog | HYG v4.2 (scientific) | Not documented |
| Constellations | 88 (IAU) | Major ones |
| Products offered | Digital + print | Mostly print |
| Free live preview | Yes, unlimited | Not confirmed |
| Graphic themes | 6+ themes | Limited |
| Map shapes | Circle, heart, star | Typically circle |
| Digital price | 12,00 € | Variable (low-to-mid US segment) |
| Digital delivery | Instant (PDF + PNG) | Not confirmed |
| Site languages | FR, EN, DE, ES | English |
| Return policy | Satisfaction guarantee | See seller terms |
Why Choose OwnStarMap
Custom Star Maps — Strengths
- +Potentially low entry pricing
- +Straightforward English-language site
- +Suited to North American buyers
Custom Star Maps — Limitations
- -Star catalog not publicly documented
- -More limited customization and themes
- -English-only interface
- -No published astronomical specification
Our Verdict
Custom Star Maps may suit English-speaking buyers looking for the lowest sticker price who do not require strong astronomical accuracy. If faithfulness to the real sky, the HYG v4.2 catalog, the live configurator, instant download, and multi-language support (FR/EN/DE/ES) matter to you, OwnStarMap is the more complete option. Always inspect the rendering through the free preview before any purchase.