AI Use Cases

Chat & research · by Photomath (Google)

Photomath

Scans a maths problem and shows the worked steps to the answer.

+ Step-by-step working across most school maths, not just the result.
− Maths only, and the deeper explanations sit behind Plus.

Free tierFree scanning and answers; Plus unlocks full explanationsiosandroid

Open Photomath ↗ best for: learning the steps of a maths problem

Evidence

rank #220 of 307
9evidence score / 100
0Hacker News stories, 30d · query "Photomath"
0mentions in our release feed, 30d
–days since last activity

Photomath alternatives

All 8 alternatives →
1
Speak Paid
A language app built around speaking out loud, with an AI tutor that holds conversations and corrects your pronunciation and phrasing.

+ Gets you talking from the first lesson with open-ended AI conversations rather than tap-the-word drills.
− Limited language selection and no meaningful free tier beyond a trial.

iosandroidweb
50▼ 8
evidence / 100
2
Khanmigo Free tier
Khan Academy's tutor that guides students with Socratic hints instead of answers and helps teachers plan lessons.

+ Deliberately refuses to just give the answer, nudging students through the problem with questions.
− Can be slow and occasionally makes arithmetic mistakes while tutoring math.

Free for US teachers; learners $4/mowebiosandroid
17▼ 14
evidence / 100
3
Brainly Free tier
Homework question-and-answer community with an AI tutor that explains the answer.

+ Huge back catalogue of school questions that are already answered.
− Community answers vary in quality and the site pushes subscriptions hard.

Free with ads and limits; Plus removes themwebiosandroid
10new
evidence / 100
4
Duolingo Max Free tier
Duolingo's top tier adds GPT-4-powered Explain My Answer, Roleplay conversations and Video Call practice with the character Lily.

+ Video Call puts you in an unscripted spoken conversation that adapts to your level inside the app you already use.
− Pricey relative to Super Duolingo, and the AI features are only available for a subset of courses.

Max $29.99/moiosandroidweb
10▼ 19
evidence / 100
5
ELSA Speak Free tier
An English pronunciation coach that scores each sound you say and runs AI conversation practice.

+ Phoneme-level feedback shows exactly which sounds in a word you are mispronouncing.
− English-only, and the scoring can be strict on perfectly intelligible accents.

iosandroidweb
10▼ 19
evidence / 100

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