Last reviewed by James Mortimer — May 2026
BookSirens is the ARC platform I recommend to fiction authors on a budget, because you only pay for results — actual downloads by readers who read your genre.
How the pay-per-download model works
Unlike NetGalley, which charges a flat $350-599 to list, BookSirens charges per download. You list your advance copy, genre-matched readers request it, and you pay a small fee only when someone actually downloads. No downloads, no cost — which makes it far cheaper for most indie books.
Why genre-targeting matters
BookSirens matches your book to readers by genre, so the people downloading it actually read what you write. That lifts review rates — typically 40-60% versus the 30-50% you see on broader platforms — because engaged genre readers are more likely to finish and review. Reviews land on Amazon, Goodreads and BookBub.
Where it fits
Best for: fiction authors and series writers who want launch-day review volume on Amazon and Goodreads without NetGalley's flat fee.
Not for: librarian and bookseller reach — that's NetGalley's territory. Many authors use BookSirens for review volume and reserve NetGalley only for trade visibility.
Verdict — 8/10
The best-value ARC platform for fiction review volume. Pay-per-download means your spend scales with results, and genre-targeting gives better review rates than broad platforms. Pair it with your own ARC team for launch-day momentum.
How to run a BookSirens campaign well
To get the most reviews per pound:
- Nail the genre selection — BookSirens matches by genre, so precise tagging means engaged readers and higher review rates.
- Write a hooky listing — the same book-description rules apply; readers choose your ARC over others based on it.
- Time it 6-8 weeks before launch so reviews are ready to post on launch day.
- Follow up — gentle reminders to downloaders lift the review rate from the typical 40-60% higher still.
- Combine with your own team — run BookSirens alongside your own ARC list for launch-day volume from two sources.
Because you only pay per download, a well-targeted BookSirens run is one of the most cost-efficient ways to build the early review base that promo sites later require.
Frequently asked questions
How much does BookSirens cost?
You pay per download, not a flat fee — typically a small charge each time a genre-matched reader downloads your ARC. Far cheaper than NetGalley for most books.
BookSirens vs NetGalley?
BookSirens for cheap, genre-targeted Amazon review volume; NetGalley for librarian and bookseller reach. They do different jobs.
What review rate should I expect?
Typically 40-60% of downloaders review — higher than broad platforms because of genre-matching.
Is BookSirens good for non-fiction?
It's strongest for fiction and genre series. Non-fiction authors often get more from NetGalley or editorial reviews.
Related guides
- NetGalley for indie authors
- ARC platforms compared
- ARC review generation
- StoryOrigin ARC
- Get book reviews when self-published
External references
- BookSirens — official ARC platform
- Alliance of Independent Authors
About this guide
Written by James Mortimer for publishing.co.uk. Last reviewed May 2026.