
Explain Everything
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RepDB
RepDB is a one-time-purchase exercise dataset with animations for developers building fitness and workout apps — not a subscription, not a rate-limited API. You download the data once and own it: JSON (and SQLite on the higher tier), WebP images, and full EN/DE/ES translations, with no per-request billing and no dependency on our servers staying up.
A free tier includes 600+ exercises with flat-style 512×512 images, attribution-licensed for commercial in-app use. The Starter tier ($299) adds the full catalog in classic white-background style. Standard ($499) adds transparent 1024px images, looping animations, exercise relations (similar/progressions/regressions), workout templates, and embeddings — exclusive to that tier.
Every exercise includes muscle-group highlighting, equipment/muscle icons, MET values, and safety/goal tags. Compared to GIF- or JPG-based competitor APIs, RepDB images are transparent WebP with no watermarks, so they drop into any app UI without a white box around them.
Explain Everything
RepDBRepDB's answer:
RepDB is sold as a one-time download, not a metered API — you own the JSON/SQLite data and WebP images outright, with no rate limits, no per-request billing, and no risk of the vendor cutting off access. It's also the only dataset in this space with EN/DE/ES translations, transparent (alpha-channel) images with no watermark, muscle-group highlighting, safety/goal tags, and looping animations on the higher tier.
RepDB's answer:
RepDB grew out of a consumer workout app its creator was building solo. Sourcing exercise images and data meant either paying for a subscription API with usage caps and no caching rights, or producing everything from scratch. The illustrated, multi-language dataset was built for us first, then split out as its own product once it became clear other indie developers had the same problem and preferred to buy the data outright rather than rent it through an API.
RepDB's answer:
Most alternatives are subscription APIs — you pay monthly, you're capped on requests, and ExerciseDB's terms of use explicitly forbid caching or storing the data at all, so every image render is a live paid API call. RepDB is the opposite: pay once, download the files, self-host with zero ongoing dependency. It's also the only option offering true DE/ES localization and transparent images instead of a white box behind every exercise.
RepDB's answer:
Solo developers and small teams building fitness or workout-tracking apps (iOS, Android, web) who need licensed exercise images and structured exercise data, but don't want to build their own media pipeline or depend on a rate-limited third-party API.
Based on our record, Explain Everything seems to be more popular. It has been mentiond 6 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Logseq even has a Beta Canvas (whiteboard). There's even a Microsoft Windows Whiteboard app on my computer. Here's an app called "Explain Everything" that's on my tablet. It lets us, on a whiteboard, 'explain everything" just like a teacher might do on a blackboard. One. Source: over 3 years ago
Like any other tool, it's in how you use it. If it's just a case of, "Go play games to learn how to spell!" then yes, I agree (and is why I never installed Angry Birds, much to some teacher's chagrin). But you have some pretty neat learning tool; Explain Everything was popular where I was at where they key is to enhance and augment the student's learning. The goal here is it to make the iPad a tool both engage... Source: almost 4 years ago
I am helping a friend out who makes educational YouTube videos on their iPad Pro (2018 model with USB-C) with the Explain Everything app. It's a whiteboarding app that allows you to make videos by whiteboarding and talking at the same time. Source: over 4 years ago
What's your definition of e-learning? A series of tutorial videos, inside HTML pages can be a good solution. Try Explain Everything ... https://explaineverything.com/. Source: about 5 years ago
Explain Everything to make explanation videos of some concepts seen in class. Source: about 5 years ago
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