Best Free Caktus Alternatives
21 alternatives to Caktus with a free plan or free tier, ranked by how closely they match. The percentage is a match score, not a popularity score.
Replacing: Caktus — More than 3 million students rely on Caktus to power through coursework fasterInput: text, documents · Output: text
1
Feen AI is a study and homework assistant for students.
Input: text, images, audio, documents, web pages · Output: text
Free planFrom $6/mo
81%Strong alternative · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals18/25
- Feature description similarity8/20
Shared goals 4 of the 6 we tag Caktus for
Homework HelpFlashcardsMathQuizzes
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
2
Chat with AI tutors that actually read your handwritten calculus problems
Input: text, images · Output: text
Free planFrom $3.99/mo
77%Strong alternative · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals14/25
- Feature description similarity9/20
Shared goals 3 of the 6 we tag Caktus for
Homework HelpFlashcardsMath
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
3
Can't tell if Edubrain actually offers a free tier
Input: text, images, audio, documents · Output: text
Free planFrom $16/mo
76%Strong alternative · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals10/25
- Feature description similarity11/20
Shared goals 2 of the 6 we tag Caktus for
Homework HelpMath
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
4
Your grades improve because GradesAI builds study materials that actually match what you'll see on exams
Input: text, documents · Output: text
Free planFrom $19.99/mo
78%Strong alternative · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals18/25
- Feature description similarity6/20
Shared goals 4 of the 6 we tag Caktus for
Homework HelpFlashcardsMathQuizzes
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
5
Thea is an AI-powered study tool designed to facilitate more effective learning for students.
Rather than just aiding memorization, Thea is geared towards helping users actually master the material
Input: images, audio, video, documents, web pages · Output: text
Free planFrom $1.67/mo
74%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals14/25
- Feature description similarity5/20
Shared goals 3 of the 6 we tag Caktus for
Homework HelpFlashcardsQuizzes
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
6
College Tools costs $19
Input: text, images, audio, documents, web pages · Output: text, audio
Free planFrom $19.99/mo
76%Strong alternative · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals14/25
- Feature description similarity8/20
Shared goals 3 of the 6 we tag Caktus for
Homework HelpFlashcardsQuizzes
Also tagged for
Note Taking
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
7
StudentAI pulls from YouTube videos and PDF documents to create study materials that ChatGPT can't generate directly
Input: text, documents, web pages · Output: text
Free planFrom $9/mo
74%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals10/25
- Feature description similarity9/20
Shared goals 2 of the 6 we tag Caktus for
Homework HelpEssay Writing
Also tagged for
Teaching
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
8
Teams hunting for shared AI homework support should look elsewhere
Input: text · Output: text
Free planFrom $6/mo
75%Strong alternative · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals10/25
- Feature description similarity10/20
Shared goals 2 of the 6 we tag Caktus for
Homework HelpEssay Writing
Also tagged for
Rewriting
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
9
A college chemistry student stares at a handwritten stoichiometry problem at 11 PM
Input: text, images · Output: text
Free planFrom $10/moAPI
75%Strong alternative · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals10/25
- Feature description similarity10/20
Shared goals 2 of the 6 we tag Caktus for
Homework HelpMath
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
10
S
AI study partner for homework help, notes, flashcards, quizzes, and exam prep.
Input: text, images, audio, documents, web pages · Output: text
Free plan
71%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals14/25
- Feature description similarity2/20
Shared goals 3 of the 6 we tag Caktus for
Homework HelpFlashcardsQuizzes
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
11
73%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals14/25
- Feature description similarity4/20
Shared goals 3 of the 6 we tag Caktus for
Homework HelpFlashcardsQuizzes
Also tagged for
Teaching
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
12
Gauth is an AI homework helper that solves questions across school subjects.
Input: text, images · Output: text
Free planFrom $6.66/moMobile app
74%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals10/25
- Feature description similarity9/20
Shared goals 2 of the 6 we tag Caktus for
Homework HelpMath
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
13
You can't actually try Studocu Ask AI without passing a security check first
Input: text, documents · Output: text
Free plan
65%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals6/25
- Feature description similarity4/20
Shared goals 1 of the 6 we tag Caktus for
Homework Help
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
14
Most AI tutors either give you direct answers or leave you completely lost
Input: text, images · Output: text
Free planFrom $13.33/mo
66%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals6/25
- Feature description similarity5/20
Shared goals 1 of the 6 we tag Caktus for
Homework Help
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
15
AI guide for international students applying to Chinese universities
Input: text · Output: text
Free planFrom $9.99/mo
64%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals6/25
- Feature description similarity2/20
Shared goals 1 of the 6 we tag Caktus for
Homework Help
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
16
You snap a photo of that calculus problem you can't crack and get a detailed solution in seconds
Input: text, images, documents · Output: text
Free planFrom $4.99/mo
65%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals6/25
- Feature description similarity4/20
Shared goals 1 of the 6 we tag Caktus for
Homework Help
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
17
Students stuck on homework open Question AI and choose how they want to ask
Input: text, images · Output: text
Free planFrom $3.92/mo
70%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals10/25
- Feature description similarity5/20
Shared goals 2 of the 6 we tag Caktus for
Homework HelpMath
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
18
Point your cursor at anything on screen and get AI help with what you're looking at
Input: text, images · Output: text
Free planFrom $12/mo
63%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals6/25
- Feature description similarity2/20
Shared goals 1 of the 6 we tag Caktus for
Homework Help
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
19
Teach Anything answers nearly everything you throw at it
Input: text · Output: text
Free planFrom $6.9/mo
64%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals6/25
- Feature description similarity3/20
Shared goals 1 of the 6 we tag Caktus for
Homework Help
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
20
Knowee is an academic writing and homework assistant for students.
Free planFrom $10/moBrowser extension
59%Limited overlap
00
How the score adds up
- Each lists the other's core category39/55
- Covers Caktus's goals11/25
- Feature description similarity10/20
Shared goals 3 of the 6 we tag Caktus for
Homework HelpEssay WritingMath
Also tagged for
WritingVideo SummariesPDF Work
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
21
Chrome extensions for academic help aren't exactly rare
Input: text, images · Output: text, code
Free planFrom $5/mo
65%Partial replacement — covers the main need with gaps · same core category as Caktus
00
How the score adds up
- Same core category55/55
- Covers Caktus's goals6/25
- Feature description similarity3/20
Shared goals 1 of the 6 we tag Caktus for
Homework Help
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
Can it really replace Caktus? Vote on each alternative — no account needed. Votes gently reorder the list; they never change the match score.
Missing an alternative? Suggest it
At a glance: top Caktus alternatives
| Tool | Match | Input | Output | Pricing | Free plan | Rating | Category |
|---|---|---|---|---|---|---|---|
| Feen AI | 81% | text, images, audio, documents, web pages | text | From $6/mo | Yes | — | AI Homework Helper |
| Studyable | 77% | text, images | text | From $3.99/mo | Yes | — | AI Homework Helper |
| Edubrain | 76% | text, images, audio, documents | text | From $16/mo | Yes | — | AI Homework Helper |
| GradesAI | 78% | text, documents | text | From $19.99/mo | Yes | — | AI Homework Helper |
| Thea | 74% | images, audio, video, documents, web pages | text | From $1.67/mo | Yes | — | AI Homework Helper |
| College Tools | 76% | text, images, audio, documents, web pages | text, audio | From $19.99/mo | Yes | — | AI Homework Helper |
Frequently asked
What is the best free Caktus alternative?
Feen AI (81% match) is the closest free alternative to Caktus: Feen AI is a study and homework assistant for students. Studyable (77% match) and Edubrain (76% match) come next.
What is the best Caktus alternative for humanizing AI text?
Toolsmart Humanize AI ranks first for humanizing AI text at 77% match. See the full list of Caktus alternatives for Humanizing Text.
What is the best Caktus alternative for creating quizzes?
Learvo ranks first for creating quizzes at 80% match. See the full list of Caktus alternatives for Quizzes.
What is the best Caktus alternative for making flashcards?
Quizlet ranks first for making flashcards at 80% match. See the full list of Caktus alternatives for Flashcards.
How is the match percentage calculated?
It measures how much of Caktus's job a tool can take over: shared core category, how many of the same use cases it covers and how similar its feature set is. Popularity and ratings never change the percentage; they only break ties in the order. Lists are recomputed nightly and reviewed by editors for the most-visited tools.
How this list is ranked
The match score measures how much of Caktus's job each tool can take over: shared core category, how many of the same use cases it covers, and how similar its feature set is. Popularity and ratings do not change the score; they only break ties in the order.
Lists are recomputed nightly from the live catalog and reviewed by our editors for the most-visited tools. Sponsored placements are marked and sit outside the ranking.