kitio.aiMathful vs Caktus AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Mathful has the lower starting price: about $10 a month, against $15 for Caktus AI.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Photo math solver
- Step-by-step solutions
- Math calculator
- MathGPT chat
- Essay writer with citations
- Maths and science solver
- Coding helper
- Flashcard maker
- AI detector
| Feature | Mathful | Caktus AI |
|---|---|---|
| Best for | Photo math solver that shows each step of the working | Student AI toolkit for essays, maths, coding and studying |
| Category | Education | Education |
| Pricing model | Freemium | Free trial |
| Starting price | $9.90/mo | $30/mo |
| Free plan | Yes | No, 1-day trial |
| Made by | Mathful | Caktus AI |
| Based in | – | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Mathful has the lower starting price: about $10 a month, against $15 for Caktus AI.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Free
Free
- Step-by-step solutions
- Daily usage limit
Pro
$9.90/mo
- 30 questions per day
- 30 image uploads per day
- Priority support
2 plans
Monthly plan
$30/mo
- Full access
- 1-day free trial
- Cancel anytime
Annual plan
$180/yr
- Full access
- Billed once per year
- 1-day free trial
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Mathful
- Explains each step, not just the answer
- Accepts photos and pasted images
- Free to try
- Daily limits apply on questions and uploads
- Accuracy claim is the site's own figure
Caktus AI
- Many student tools in one login
- Citations in common styles
- Covers STEM and writing
- Citations can be unreliable
- Billing complaints from some users
Which one should you choose?
Choose Mathful if you want:
- Explains each step, not just the answer
- Accepts photos and pasted images
- Free to try
Watch out: daily limits apply on questions and uploads.
Choose Caktus AI if you want:
- Many student tools in one login
- Citations in common styles
- Covers STEM and writing
Watch out: citations can be unreliable.
Mathful vs Caktus AI FAQ
What is the difference between Mathful and Caktus AI?
Mathful: Photo math solver that shows each step of the working. Caktus AI: Student AI toolkit for essays, maths, coding and studying. Both are education tools.
Is Mathful or Caktus AI cheaper?
Mathful has the lower starting price: about $10 a month, against $15 for Caktus AI.
Do Mathful and Caktus AI have free plans?
Mathful: Yes. Caktus AI: No, 1-day trial.
Who makes Mathful?
Mathful is made by Mathful.
Who makes Caktus AI?
Caktus AI is made by Caktus AI, based in United States.
Which should I choose, Mathful or Caktus AI?
Choose Mathful if you value explains each step, not just the answer and accepts photos and pasted images. Choose Caktus AI if you value many student tools in one login and citations in common styles.