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Exercise dataset for fitness apps: transparent background, animations, no subscription

Which is more popular?
Based on our record, Gulp.js seems to be more popular. It has been mentioned 29 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | gulpjs.com | repdb.co |
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| Platforms | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Gulp.js yet.
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...
What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


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Why this product is good
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Gulp.js and RepDB.
RepDB'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.
Share your experience with using Gulp.js and RepDB. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Why are there so many JavaScript build tools? Gulp, Grunt, Webpack, Laravel Mix, Rollup.js, and now Vite. And these are just the ones that I've worked with. Haven't we solved this problem? And why build a new tool? Why not improve... - Source: dev.to / over 1 year ago
Description: A toolkit for automating repetitive tasks in the development workflow, such as minification, compilation, and live reloading. It uses a "streaming" approach for fast builds. Use Cases: Automating tasks in web development,... - Source: dev.to / almost 2 years ago
Gulp is a powerful task runner that automates various development workflows, streamlining the management of repetitive tasks. - Source: dev.to / about 2 years ago
Tracking RepDB since Jul 2026.
When comparing Gulp.js and RepDB, you can also consider the following products.

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Rollup is a module bundler for JavaScript which compiles small pieces of code into a larger piece such as application.
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