kitio.aiDioptra vs goHeather
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. goHeather has the lower starting price: about $400 a month, against $450 for Dioptra.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Redlines in Word
- Playbook distillation
- Term search
- Issues lists and risk summaries
- Legal AI assistant
- Prompt library
- Contract drafting
- Clause-by-clause review
- Contract comparison
- Word add-in
- Custom review playbooks
- Research memos
| Feature | Dioptra | goHeather |
|---|---|---|
| Best for | AI contract redlining inside Microsoft Word for legal teams | Legal AI that drafts, reviews and compares business contracts |
| Category | Legal, finance & HR | Legal, finance & HR |
| Pricing model | Free trial | Free trial |
| Starting price | $450/mo | $400/mo |
| Free plan | No, 7-day trial | No, 7-day trial |
| Made by | Dioptra | 2836014 Ontario Inc. |
| Based in | – | Canada |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
goHeather has the lower starting price: about $400 a month, against $450 for Dioptra.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Starter
$450/mo
- Market playbooks and prompt library
- No training on your data
- 7-day free trial
Teams
From $4,200/yr per seat
- Per seat
- Team prompt library
- Customized onboarding plan
Enterprise
Contact sales
- 30-day guided ROI program
- Playbook building services
2 plans
Starter
$400/mo
- One seat
- Unlimited AI use
- Microsoft Word add-in
- 7-day free trial
Team
Contact sales
- Two or more seats
- Admin and member roles
- Custom integrations
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Dioptra
- Works inside Microsoft Word
- Builds playbooks from your contracts
- No training on your data
- Starter costs $450 per month
- Team pricing is per seat per year
- Now part of Icertis
goHeather
- Drafts and reviews in one tool
- Suggestions appear inside Word
- No monthly document limit
- Custom playbooks for your own rules
- Single-seat plan costs $400 a month
- E-signatures are not available yet
- Team pricing needs a sales call
Which one should you choose?
Choose Dioptra if you want:
- Works inside Microsoft Word
- Builds playbooks from your contracts
- No training on your data
Watch out: starter costs $450 per month.
Choose goHeather if you want:
- Drafts and reviews in one tool
- Suggestions appear inside Word
- No monthly document limit
Watch out: single-seat plan costs $400 a month.
Dioptra vs goHeather FAQ
What is the difference between Dioptra and goHeather?
Dioptra: AI contract redlining inside Microsoft Word for legal teams. goHeather: Legal AI that drafts, reviews and compares business contracts. Both are legal, finance & hr tools.
Is Dioptra or goHeather cheaper?
goHeather has the lower starting price: about $400 a month, against $450 for Dioptra.
Do Dioptra and goHeather have free plans?
Dioptra: No, 7-day trial. goHeather: No, 7-day trial.
Who makes Dioptra?
Dioptra is made by Dioptra.
Who makes goHeather?
goHeather is made by 2836014 Ontario Inc., based in Canada.
Which should I choose, Dioptra or goHeather?
Choose Dioptra if you value works inside microsoft word and builds playbooks from your contracts. Choose goHeather if you value drafts and reviews in one tool and suggestions appear inside word.