kitio.aiCodeReviewBot vs What The Diff
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. CodeReviewBot starts at See pricing page and What The Diff starts at $19/mo. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Pull request reviews
- Bug and security checks
- Performance suggestions
- Paste-in code review
- Selectable feedback tone
- PR descriptions
- Inline code refactoring
- Team summaries
- GitHub and GitLab support
- Slack and webhook alerts
| Feature | CodeReviewBot | What The Diff |
|---|---|---|
| Best for | GitHub bot that reviews pull requests and flags bugs | AI pull request descriptions and code review for GitHub and GitLab |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $19/mo |
| Free plan | Yes | Yes |
| Made by | CodeReviewBot | What The Diff |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
CodeReviewBot starts at See pricing page and What The Diff starts at $19/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Free
Free
- 25,000 tokens a month
- Unlimited repositories
- Automated PR descriptions
Pro
$19/mo
- 200,000 tokens a month
- Instant code refactoring
- Slack, webhook and email alerts
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
CodeReviewBot
- Reviews appear directly on pull requests
- Quick setup through a GitHub app
- Choose the tone of feedback
- Try it without installing
- GitHub only
- Free paste tool limits code length
- Pricing is not shown on the homepage
What The Diff
- Writes PR descriptions automatically
- Works on GitHub and GitLab
- Unlimited repositories on every plan
- Token limits cap monthly use
- Free plan is rate limited
- Not a full code review replacement
Which one should you choose?
Choose CodeReviewBot if you want:
- Reviews appear directly on pull requests
- Quick setup through a GitHub app
- Choose the tone of feedback
Watch out: github only.
Choose What The Diff if you want:
- Writes PR descriptions automatically
- Works on GitHub and GitLab
- Unlimited repositories on every plan
Watch out: token limits cap monthly use.
CodeReviewBot vs What The Diff FAQ
What is the difference between CodeReviewBot and What The Diff?
CodeReviewBot: GitHub bot that reviews pull requests and flags bugs. What The Diff: AI pull request descriptions and code review for GitHub and GitLab. Both are coding tools.
Is CodeReviewBot or What The Diff cheaper?
CodeReviewBot starts at See pricing page and What The Diff starts at $19/mo. Check both pricing pages for current plans.
Do CodeReviewBot and What The Diff have free plans?
CodeReviewBot: Yes. What The Diff: Yes.
Who makes CodeReviewBot?
CodeReviewBot is made by CodeReviewBot.
Who makes What The Diff?
What The Diff is made by What The Diff.
Which should I choose, CodeReviewBot or What The Diff?
Choose CodeReviewBot if you value reviews appear directly on pull requests and quick setup through a github app. Choose What The Diff if you value writes pr descriptions automatically and works on github and gitlab.