Skiff VS RepDB
Compare Skiff VS RepDB and see what are their differences
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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.
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, Skiff seems to be more popular. It has been mentiond 47 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.
Skiff- Open source, end-to-end encrypted anonymous email service, no additional details asked at signup, free 10GB drive storage, one custom domain for your own website, free four aliases for your email address per account. Additional Crypto Wallet support for the E2EE environment. - Source: dev.to / over 2 years ago
Hello, I want to assign custom domain addresses to e.g. Family members. Shall the family member create already a skiff.com account, and then I assign a custom domain address to him? Source: almost 3 years ago
Hi! I've very recently learnt of Skiff from Epic Murphy's new video on private email services. I wanted to try out the service, however, I get certificate error on any browser I try, both on my desktop and on my phone, whenever I go to skiff.com or any of the subdomains of the website. On my desktop, I've tried the website on Librewolf (Firefox fork), vanilla Firefox and Ungoogled Chromium. On my Android phone,... Source: about 3 years ago
Skiff.com can use your custom domain for free, and if you are max 5 people you can all have an address in the custom domain. That takes care of emails. And Skiff also has Calendar, Drive and Pages, but they are all a bit lacking when you're used to Google Drive stuff. Source: about 3 years ago
Hello all! We at Skiff have released our open-source component library Skiff UI for building cross platform privacy-first apps. - Source: dev.to / about 3 years ago
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