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RepDB
RepDB is a one-time-purchase exercise dataset for developers building fitness and workout apps โ 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 400 exercises with flat-style 512ร512 images, attribution-licensed for commercial in-app use. The Starter tier ($199) adds the full catalog in classic white-background style. Standard ($399) adds transparent 1024px images, looping animations, exercise relations (similar/progressions/regressions), workout templates, and embeddings โ 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.
Altstore RepDBRepDB's answer:
RepDB is sold as a one-time download, not a metered API โ 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 โ 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, Altstore seems to be more popular. It has been mentiond 478 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.
> One of the first links is leading to MacPaw's website. Yikes, Google results are bad these days! They seem to focus on Mac applications, not iOS app store alternatives. > But are there any real 3rd-party AppStores for iOS now? Yes, the main one I am familiar with is AltStore: https://altstore.io However, according to Apple's docs, they only allow alternative app stores in the EU and Japan, so you have to be... - Source: Hacker News / 8 months ago
> Of course Apple would never go for that They do in EU, because they were forced to. AltStore PAL https://altstore.io/ Buildstore https://builds.io/ Aptoide https://en.aptoide.com .. And so on. - Source: Hacker News / 12 months ago
That is listed under "unofficial sideloading methods". A more accurate title would've been "Does iOS support sideloading?" but I wanted to keep the domain name as short as possible :) The Apple Developer program is not intended as an option for end users to enable sideloading on their device, even if that is a side effect of joining it. It is only intended to allow developers to briefly test their apps in a... - Source: Hacker News / over 1 year ago
AltStore (https://altstore.io/) is available, but only has two apps last time I checked. - Source: Hacker News / over 2 years ago
AltServer from the AltStore folks allows you to automate the renewal of sideloaded apps. Itโs not perfect, but itโs an excellent workaround. http://altstore.io/. - Source: Hacker News / over 2 years ago
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