Bowker (MyIdentifiers) vs Nielsen UK ISBN Store
Bowker (MyIdentifiers) is the official US ISBN agency with fixed pricing of $125 for a single ISBN and $295 for 10, while Nielsen UK ISBN Store is the official UK agency with variable pricing. Both provide ISBNs and metadata services, but they serve different national markets. The key difference is geographic: Bowker is for US-based authors, Nielsen for UK-based authors. Your choice depends on your target market and where you plan to distribute your book.
Pick Bowker (MyIdentifiers)
Pick Bowker (MyIdentifiers) if you are a US-based author or plan to distribute primarily in the United States, and prefer fixed, upfront pricing for ISBNs.
Pick Nielsen UK ISBN Store
Pick Nielsen UK ISBN Store if you are a UK-based author or plan to distribute primarily in the United Kingdom, and need an official UK ISBN for the local market.
At a glance
| Bowker (MyIdentifiers) | Nielsen UK ISBN Store | |
|---|---|---|
| Pricing | $125 single; $295/10 | Varies |
| Pricing model | Paid | Paid |
| Free option | No | No |
| Platforms | Web | Web |
| Best for | ISBN & Metadata | ISBN & Metadata |
| AI features | No | No |
| Open source | No | No |
Bowker (MyIdentifiers)
myidentifiers.com
Official US ISBN agency (single & bulk ISBNs + barcodes).
Visit Bowker (MyIdentifiers) ↗See more options: Bowker (MyIdentifiers) alternatives · Nielsen UK ISBN Store alternatives