Software Alternatives, Accelerators & Startups

Stackby VS RepDB

Compare Stackby VS RepDB and see what are their differences

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Stackby logo Stackby

API first collaborative databases to build your own tools, the way you want. Sign up for free.

RepDB logo RepDB

Exercise dataset for fitness apps: transparent background, animations, no subscription
Visit Website
  • Stackby Landing page
    Landing page //
    2023-06-14

Stackby is a collaborative database platform that empowers anyone to create their own workflows and automate it via third party services. It brings together the familiarity of spreadsheets, functionality of databases and best business APIs (YouTube, MailChimp, Clearbit, etc.) on a single new customizable canvas. No coding and training needed.

Choose from 50+ pre-defined templates across various domains like Sales, Product, Marketing, Growth Hacking, Video production, Creatives, Project Management here - www.stackby.com/templates or build your own from scratch. The possibilities are endless.

  • RepDB Standard exercise dataset
    Standard exercise dataset //
    2026-08-15
  • RepDB Starter tier
    Starter tier //
    2026-08-15

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 512ร—512 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.

Stackby

$ Details
paid Free Trial
Platforms
Browser Android
Release Date
-

RepDB

Website
repdb.co
$ Details
freemium $299 / One-off
Platforms
Web Mobile
Release Date
2026 July

Stackby features and specs

  • Versatile Database Management
    Stackby offers a versatile platform that combines databases, spreadsheets, and automation. Users can manage data effectively, similar to working with spreadsheets but with the enhanced capabilities of a database.
  • Customizable Views
    Stackby provides multiple views such as grid, kanban, gallery, and forms, allowing users to customize how they view and interact with their data to better suit their workflow needs.
  • Automation Capabilities
    The platform allows users to automate workflows using integrations with popular third-party apps, enabling more efficient data management and reducing manual work.
  • Real-time Collaboration
    Stackby supports real-time collaboration, making it easy for teams to work together on data projects simultaneously, improving teamwork and productivity.
  • Easy to Use Interface
    With a user-friendly interface, Stackby is accessible to users who may not have extensive technical knowledge, allowing a wider range of users to leverage the tool effectively.

Possible disadvantages of Stackby

  • Pricing Structure
    Some users may find the pricing structure of Stackby to be on the higher side, especially for smaller teams or individual users who might not utilize all the premium features available.
  • Learning Curve for Complex Features
    While basic features are user-friendly, there can be a learning curve associated with more complex functionalities, which might require additional time and effort to master.
  • Limited Offline Access
    Stackby might offer limited functionality in offline mode, meaning that continuous internet access is needed to make full use of the platform's capabilities.
  • Integration Limitations
    Although Stackby does support various integrations, some users might find certain desired integrations are not available or might require additional workarounds.
  • Performance with Large Datasets
    Some users may experience performance issues when working with very large datasets, which could hinder efficiency and speed.

RepDB features and specs

  • WebP Format Benefits
    start+peak exercise images
  • JSON
    relations, metadata, equipment
  • Transparency
    transparent background
  • Animations
    Animated loops in paid tier

Stackby videos

Welcome to Stackby

More videos:

  • Review - Stackby Review -- Airtable Competitor, But Should You Switch? [AppSumo 2020]
  • Review - Stackby Onboarding and Review: Spreadsheets Powered By APIs
  • Review - Content Planning: How I Plan YouTube Videos! (Using Stackby)

RepDB videos

No RepDB videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Stackby and RepDB)
Spreadsheets
100 100%
0% 0
Datasets
0 0%
100% 100
Project Management
100 100%
0% 0
Developer Tools
0 0%
100% 100

Questions & Answers

As answered by people managing Stackby and RepDB.

What makes your product unique?

RepDB'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.

What's the story behind your product?

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.

Why should a person choose your product over its competitors?

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.

How would you describe the primary audience of your product?

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.

User comments

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Social recommendations and mentions

Based on our record, Stackby seems to be more popular. It has been mentiond 11 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.

Stackby mentions (11)

  • Is it Possible to manage Email Campaigns for Marketing Agency ?
    Yes Now It's Possible by using stackby you can Manage Email Campaigns and track your email campaigns by connecting MailChimp API and SendFox API directly at the columns in Stackby. Source: about 3 years ago
  • Stackby | A new collaborative canvas to manage and automate work.
    Stackby proves to be a powerful Airtable Alternative, offering a plethora of features and functionalities that cater to diverse needs. With its customizable templates, seamless integrations, collaboration features, advanced data visualization, automation capabilities, and robust security measures, Stackby provides a comprehensive solution for managing and organizing data effectively. Consider giving Stackby a try... Source: about 3 years ago
  • free-for.dev
    StackBy โ€” One tool that brings together flexibility of spreadsheets, power of databases and built-in integrations with your favorite business apps. Free plan includes unlimited users, 10 stacks, 2GB attachment per stack. - Source: dev.to / almost 4 years ago
  • Now, get your all data at your fingertip.
    After close to 400 days of development (by a huge team of 1), weโ€™ve finally launched our brand new, completely built from scratch Stackby iOS app. Source: almost 5 years ago
  • HELP: App to replace Google Calendar and Google Tasks
    Go with stackby.com .. It is the best tool out there! Source: almost 5 years ago
View more

RepDB mentions (0)

We have not tracked any mentions of RepDB yet. Tracking of RepDB recommendations started around Jul 2026.

What are some alternatives?

When comparing Stackby and RepDB, you can also consider the following products

Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.

monday.com - The most intuitive platform to manage projects and teamwork

Paperflite - Paperflite is a prospect engagement platform to enable business development reps to see what sells.

ClearVoice - ClearVoice is a content marketing platform and service solution.

Styla.com - Content commerce solution for online retailers and brands

Crescendo - Music note writing and composing software