Updated 12 Nov 2026 · prices read on vendor pages

11 best Paperpal alternatives in 2027

Reviewed by Mehmet Elmicenni, founder of Zekai•Prices checked 12 Nov 2026•How we check

The short answer

The best Paperpal alternatives in 2027 are Jenni AI (best overall, $12/mo billed yearly), Grammarly (best free plan) and LanguageTool (best open source, LGPL-2.1). Paperpal itself starts at $12/mo billed yearly. Zekai checked these prices on vendor pages on 12 Nov 2026; 8 more are compared below, including 4 with a free plan and 2 open source.

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Best overallSee in table →

Jenni AI

$12/mo billed yearly · free plan

8.5

Best free planSee in table →

Grammarly

$12/mo · free plan

9.2

Best open sourceSee in table →

LanguageTool

Free to self-host · LGPL-2.1

8.5

11alternatives compared

6with a free plan

3open source

$4/mo billed yearlycheapest paid · Trinka AI

$12/mo billed yearlyPaperpal starts at

01 · Zekai Price Ledger

Which Paperpal alternatives are worth it in 2027?

Paperpal alternatives worth a look are Jenni AI for drafting with citations, Trinka AI at $4 a month billed yearly for technical papers, Writefull for Word and Overleaf, and Grammarly or QuillBot for general writing. LanguageTool, Writing Tools and academic-humanizer are open-source options. Paperpal itself starts at $12 a month billed yearly.

Zekai Cost Finder · team1 person

Tool	Type	Starting price	Free plan limit	Best for	Cost for your team	Checked
PaperpalThe tool you are replacing	You are here	$12/mo billed yearlyPrime, $12/mo billed yearly ($144) or $25 billed monthly (Pro $29 yearly, $59 monthly)	200 grammar edits a month; 5 paraphrases a day	Academic manuscripts and journal checks	—	12 Nov 2026	Pricing ↗
Jenni AI Zekai score 8.5Best overall	Free plan + paid	$12/mo billed yearlyPlus, $12/mo billed yearly or $30 billed monthly (Pro $29 yearly, $73 monthly)	10 AI autocompletes a day, 10 PDF uploads, 3 AI edits, 5 chat messages	Writing, reading and citing in one workspace	—	12 Nov 2026	Pricing ↗
Trinka AI Zekai score 8.3Cheapest paid	Free plan + paid	$4/mo billed yearlyPremium, $48 billed yearly (page struck through $80); monthly price not shown	5,000 words a month, Lite grammar mode only, 5 AI writing requests	Technical papers on a low yearly price	—	12 Nov 2026	Pricing ↗
Grammarly Zekai score 9.2Best free plan	Free plan + paid	$12/moPro (billing period not stated on page)	100 AI prompts a month, grammar and tone checks	General grammar and tone across every app	—	12 Nov 2026	Pricing ↗
QuillBot Zekai score 7.8	Free plan + paid	$4.17/mo billed yearlyPremium, billed annually; monthly price not shown	Paraphrase up to 125 words per use	Paraphrasing with grammar and summaries	—	12 Nov 2026	Pricing ↗
Yomu AI Zekai score 7.9	Paid	$10/mo billed yearlyPro, $10/mo billed yearly ($120) or $21 monthly; Ultra $17 yearly or $35 monthly	No free plan	Essay drafting with 700-plus citation styles	—	12 Nov 2026	Pricing ↗
Textero AI Zekai score 6.3	Free plan + paid	$8.25/mo billed yearlyPremium Yearly $99, or $14.99/mo quarterly, or $19.99 monthly	5 AI credits and 5 AI commands a day, unlimited PDF uploads	Student essays with a low yearly price	—	12 Nov 2026	Pricing ↗
Writefull Zekai score 8.6	Free	Free plan; paid price not publishedPremium shown as $150.00 with no billing period stated on the page; left empty	Limited free quota of its tools	Language edits inside Word and Overleaf	$0	12 Nov 2026	Pricing ↗
Thesify Zekai score 7.4	Paid	Not checkedPrices on the page are in EUR (Single Review EUR 14.95, Yearly EUR 149.95); not converted, left empty	No free plan	Draft feedback reports before submission	—	12 Nov 2026	Pricing ↗
LanguageTool Zekai score 8.5Best open source	Open source	Free (self-hosted)	No limit, self-hosted (LGPL-2.1)	Self-hosted grammar and style checking	$0	14 Nov 2026	Code ↗
Writing Tools Zekai score 7.0	Open source	Free (self-hosted)	No limit, self-hosted (GPL-3.0)	Proofread and rewrite hotkeys in any app	$0	14 Nov 2026	Code ↗
academic-humanizer Zekai score 7.9	Open source	Free (self-hosted)	No limit, self-hosted (MIT)	Removing AI writing tells from papers	$0	14 Nov 2026	Code ↗

Every price was read on the vendor's own pricing page on the date shown. The Cost Finder assumes one entry plan per person, so it multiplies by your team size; yearly prices are shown per month, and team or business plans can cost more per seat. "Not checked" means we could not confirm a public price.

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02 · Free plan

Is there a free version of Paperpal?

Yes. Paperpal's Free plan costs $0 with no credit card and lists 200 grammar edits a month, a lite plagiarism report, a preview AI detection, 5 paraphrase, trim or translate uses a day, 5 research Q&A a day and 5 chat-with-papers files a month. Prime costs $12 a month billed yearly.

Source: Paperpal pricing page, read 12 Nov 2026.

Free$0

200 grammar edits a month; 5 paraphrases a day

Paid from$12/mo billed yearly

Prime, $12/mo billed yearly ($144) or $25 billed monthly (Pro $29 yearly, $59 monthly)

03 · Free alternatives

What are the best free Paperpal alternatives?

Grammarly's Free plan includes 100 AI prompts a month, Trinka's Basic gives 5,000 words a month, Textero allows 5 AI credits a day and Jenni's Free allows 10 autocompletes a day. Paperpal's own Free plan offers 200 grammar edits a month, so compare the caps against your manuscript length before choosing.