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Shortwave vs top alternatives
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Shortwave
This toolAutomate your email with agentic AI
Starting price
$30/month
Pros
- Available across multiple platforms including iOS, Android, Mac, and Windows.
- Employs third-party security reviews and undergoes annual CASA Tier 2 verification audits.
- Saves time by grouping mailing lists, newsletters, and promotional emails into bundled rows.
Cons
- Longer conversations inside the AI assistant process entire chat history, rapidly consuming daily quota limits.
- Refunds are strictly unavailable once the initial 14-day payment period expires.
- The Business paid plan limits users to roughly 150-300 standard AI requests per day.
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Sudowrite
The AI writing partner built for fiction writers to draft, describe, rewrite, and finish novels in their own voice.
Starting price
$10/month
Pros
- Sudowrite is purpose-built for fiction and novel writing.
- Sudowrite offers a free way to start using the product.
- The Expand feature helps turn an outline into a rough draft.
Cons
- Sudowrite may collect personal and contact information such as name, country of residence, email address, and address.
- Submitted creative materials may be collected, which is a privacy consideration for authors uploading manuscripts or story content.
- The complimentary personal setup session is time-limited and must be used within 30 days of first payment.
toolscope.biz/tools/sudowrite
Wordtune
Express yourself with confidence and take your writing productivity to new heights with AI.
Starting price
$4.89/month
Pros
- Wordtune offers AI writing features including paraphrasing, rewriting, and grammar correction.
- Users can adjust writing tone between casual and formal.
- Wordtune provides context-based rewrite suggestions tailored to writing style.
Cons
- The Basic/free tier is limited in use.
- The Plus plan is described as having limited daily use.
- Wordtune does not offer refunds for subscriptions.
toolscope.biz/tools/wordtune
ProWritingAid
The Storyteller's Toolkit: A grammar checker, style editor, and writing mentor in one package.
Starting price
GBP 10/month
Pros
- ProWritingAid offers a free plan as well as Premium and Premium Pro plans.
- It includes more than 25 writing reports, including checks for issues such as overused words.
- The Rephrase tool can rewrite text in different tones and styles, such as more formal or informal.
Cons
- Full access requires upgrading to Premium or Premium Pro; the free plan does not unlock the full product.
- Manuscript Analysis has an upper word-count limit of 300,000 words.
- Plot Analysis is centered on Three Act Structure, which may be less suitable for writers using other narrative structures.
toolscope.biz/tools/prowritingaid
Independent research · Data extracted from public vendor pages
Generated 8/18/2026