InputDojo vs Physics AI

InputDojo and Physics AI are both education & learning tracked by AIDiveForge. Below is a side-by-side comparison of pricing, capabilities, platforms, and ownership — sourced from each tool's live website and verified before publishing.

InputDojo

The core loop is structured around proficiency levels: you work through vocabulary in context, get speech feedback on conversation practice, and the system reschedules reviews based on what you're actually forgetting. That beats flashcard apps that treat every word the same. The constraint shows up when you need niche language pairs or want to export your progress data — the vendor does not describe an open API, so your learning history stays inside the platform. Teams using this to supplement formal instruction get the most mileage; learners who want to pipe data into a custom dashboard hit a wall fast.

Physics AI

The scraped page content returned does not match the submitted tool data — the page describes a travel-identification app called Spotter, not a physics problem-solving tool. No factual claims about the physics tool's workflow, explanation quality, or feature set can be sourced from the provided page. What the validator context confirms: the tool operates on a per-submission credit model, has no API, no self-hosting, and no agentic capability — users submit a problem and receive a response. Teams or educators expecting programmatic access or bulk assignment integration will find a hard wall immediately.

Attribute	InputDojo	Physics AI
Pricing	Paid	Paid
Price	$7.99–$14.99/month	$5.9–$11.9/month
Free trial	14 days	No
Open source	No	No
Has API	No	No
Self-hosted option	No	No
Platforms	Web, iOS, Android	Web-based (browser)
Pros	Exam-aligned study plans for JLPT and HSK mean practice time maps directly to what standardized tests score, so you're not drilling vocabulary that won't appear on the test you're sitting. Vocabulary presented in native-media context rather than textbook sentences, which means words land with the register and colocation patterns you'll actually encounter in listening or reading sections. Instant speech feedback on conversation practice closes the gap that silent review apps leave — you hear whether your pronunciation is off before bad habits calcify. Spaced repetition tuned to individual mastery levels, so the system reschedules reviews based on where you actually struggle rather than applying a one-size decay curve to every learner. Mobile and web access from a single account, so review sessions fit around a schedule that doesn't include dedicated study blocks.	Step-by-step guided explanations for submitted problems, so students can trace exactly where their own reasoning diverged from the correct method — rather than just getting a final answer they cannot learn from. Credit rollover on paid tiers, which means a student who has a light week does not forfeit capacity they paid for before an exam crunch arrives. Covers formula lookup and method reference alongside full problem solving, so a student does not need to switch between a separate reference sheet and a solver mid-session. No setup, installation, or account infrastructure beyond sign-up — which means the tool is accessible during exam prep without an IT request or software approval process.
Cons	No API and no data export path: every progress metric, vocab list, and mastery score lives inside the platform. Learners or institutions that need to feed data into an LMS or run their own retention analysis have no route out — they're maintaining a parallel tracking system manually. AI-powered features — personalized plans, speech feedback — are paid-only features. The free tier does not deliver the core differentiator, which means evaluating whether the tool actually fits your learning style requires committing to a paid account. Learners whose goal is conversational fluency in an unsupported language pair, or who need a tutor-like correction model beyond speech feedback, will hit the ceiling of what a structured app can offer and move to a platform with live tutors or a larger language coverage list.	The free tier caps submissions at seven per month — a student working through a problem set the week before finals exhausts that allocation in a single sitting, then faces a paywall or a month-long wait. No API access exists, so any team — a tutoring platform, an EdTech product, a teacher building a homework helper — that needs to programmatically submit problems or retrieve responses cannot use this tool at all. They switch to an LLM provider with a direct API (OpenAI, Anthropic, or equivalent) and build their own prompt layer. There is no self-hosted option, which means schools or districts with data residency requirements or student privacy policies that prohibit third-party cloud processing cannot deploy this tool for classroom use, regardless of how well it performs on the problems themselves.

Bottom line

InputDojo and Physics AI are closely matched on pricing model, openness, and API availability — pick by feature set and platform support in the table above.

Comparison data is sourced and verified by the AIDiveForge data pipeline. AIDiveForge is editorially independent.