ZEN VS RepDB
Compare ZEN VS RepDB and see what are their differences
incident management, error monitoring, alerting, on-call, devops, developer tools, webhooks, mobile
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ZEN
Posture Corrector
Postura
SitSense.app
Posture!Posture!Posture!
PoseAlert
Posture Reminder App
SitApp
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 250 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.
ZEN 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, ZEN seems to be more popular. It has been mentiond 5 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.
A few days ago I got rejected in the verification process. After that some of you advised me to take a look at Wise, but after using it the cost for currency exchange getting higher and higher. Now I have found another app, which its cold zen.com . Top up is free if you transfer the money to the IBAN who is given to you, and also currency exchange is less expensive (in my app stands even it is free, whithout a... Source: almost 4 years ago
Every support option in G2A site only forwards me either to the seller (it's not a sellers' problem), or to zen.com (their payment gateway, that again, don't have anything to do with it, since the order originated from g2a site). But I need support for a issue inside g2a platform...it's an order I didn't place. Source: about 4 years ago
Fair enough. I proceed as instructed, few days later someone from zen.com asks me to provide the transaction details and then I explain that there was no transaction. I provide evidence as needed. Source: about 4 years ago
I got an email stating that I'll be charged an inactivity fee, so I logged in (multiple times) to reset the timer. I got charged an inactivity fee. Twice. I raised a support ticket to clear things up, and they directed me to send an email to [hello@zen.com](mailto:hello@zen.com), which I'm assuming is their vendor for payments. I have nothing to do with zen.com so it's ridiculous to expect me to handle this... Source: about 4 years ago
Also zen.com Mastercard payment gateway, but if you will search the word Zen - it's the official sign of the word itself :) So I'm not sure if you can call it a copyright since the Ensล of Zen (circular form) is about 2000 years old. Source: over 4 years ago
Posture Corrector - Correct your posture on Chrome, anytime
Postura - Gentle reminders for better posture & healthy breaks
SitSense.app - SitSense is an AI-powered posture coach that uses your webcam to detect slouching and nudge you into healthy alignment. Try the free beta.
Posture!Posture!Posture! - Chrome Extension to help track your posture as you browse
PoseAlert - Keep correct posture while sitting
Posture Reminder App - Private, on-device AI posture monitoring with real-time slouch detection and gentle reminders on ๏ฃฟ Mac.