AutoCritautocrit.com
SubscriptionFiction-specific editor benchmarking your prose against published genre books.
Web
Grammarly alternatives
17 editing & grammar tools for self-published authors, similar to Grammarly. Compare pricing and platforms, then pick what fits your workflow.
Book Bolt extensionbookbolt.io
SubscriptionLive KDP data overlay on Amazon.
ExtensionExtension
DS Amazon Quick View(Chrome Web Store)
FreeOverlays BSR/ASIN/data on Amazon listings.
ExtensionExtension
Fictionaryfictionary.com
SubscriptionDevelopmental/story-structure editing (scene purpose, arcs, plot beats).
Web
Gingergingersoftware.com
FreeGrammar and rephrasing tool.
WebDesktop
Hemingway Editorhemingwayapp.com
FreemiumHighlights complex sentences, adverbs, passive voice for readability.
WebDesktop
Inkshiftinkshift.io
SubscriptionDevelopmental manuscript feedback (structure, pacing, marketability).
Web
KDSPYkdspy.com
One-timeBrowser extension scanning Kindle categories, sales estimates, traffic-light competition.
ExtensionExtension
Keepakeepa.com
FreemiumAmazon price-history and sales-rank tracking.
ExtensionExtension
LanguageToollanguagetool.org
FreemiumMultilingual grammar/style checker; cheapest premium.
ExtensionWebExtension
PerfectItintelligentediting.com
SubscriptionConsistency/formatting checker for professional editors (Word).
ProWritingAidprowritingaid.com
Subscription25+ manuscript reports (pacing, dialogue, echoes); native Scrivener integration.
WebMacWindows
QuillBotquillbot.com
FreeAI paraphrasing/rewriting and grammar tool.
AIExtensionWebExtension
ScribeCount extensionscribecount.com
SubscriptionBrowser extension feeding multi-platform sales dashboard.
ExtensionExtension
SellerApp extensionsellerapp.com
FreeFree Amazon data overlay (keywords, rank, estimates).
ExtensionExtension
Slick Writeslickwrite.com
FreeFree basic grammar/style checker.
Web
Wordtunewordtune.com
FreeAI sentence rewriting for clarity/concision.
AIExtensionWebExtension