Software Alternatives, Accelerators & Startups

jello VS RepDB

Compare jello VS RepDB and see what are their differences

jello logo jello

jello is a command line tool that filters JSON data using pure python syntax.

RepDB logo RepDB

Exercise dataset for fitness apps: transparent background, animations, no subscription
Visit Website
  • jello Landing page
    Landing page //
    2023-08-19
  • 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 — 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 512×512 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 — 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.

jello

Website
github.com
Pricing URL
-
$ Details
-
Platforms
-
Release Date
-

RepDB

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

jello features and specs

  • JSON Parsing
    Jello allows efficient JSON data parsing and transformation using Python syntax, making it easier for users with Python knowledge to manipulate JSON data.
  • Command-Line Integration
    It integrates well into CLI environments, allowing users to process JSON data within terminal sessions, which can be particularly useful for quick data transformations and scripting tasks.
  • Flexible Querying
    Jello enables flexible and complex querying capabilities, which can handle a variety of JSON data manipulation needs, from filtering to restructuring.
  • Lightweight Tool
    It is a lightweight utility that doesn't require extensive setup or dependencies, making it easy to install and use without considerable overhead.

Possible disadvantages of jello

  • Learning Curve
    Users unfamiliar with Python or command-line interfaces might experience a steep learning curve when starting with Jello, requiring a period of adjustment and learning.
  • Limited to JSON
    Jello is specifically designed for JSON data, limiting its applicability to other data formats unless converted to JSON first.
  • Performance Constraints
    For extremely large JSON data sets, performance might be a constraint when using Jello, as it may not handle large files as efficiently as some specialized tools designed for big data.
  • Dependency on Python
    Since Jello requires Python, environments without Python installed might find it challenging to use the tool without setting up the necessary environment first.

RepDB features and specs

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

jello videos

Koolaid Gels Jello Review

More videos:

  • Review - Jello Zombie Brain Gelatin Mold Review

RepDB videos

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

Add video

Category Popularity

0-100% (relative to jello and RepDB)
File Manager
100 100%
0% 0
Datasets
0 0%
100% 100
File Explorer
100 100%
0% 0
Developer Tools
0 0%
100% 100

Questions & Answers

As answered by people managing jello and RepDB.

What makes your product unique?

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.

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 — 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, jello seems to be more popular. It has been mentiond 20 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.

jello mentions (20)

  • jq 1.7 Released
    Jello let’s you use python syntax with dot notation without the stdin/stdout/json.loads boilerplate. https://github.com/kellyjonbrazil/jello. - Source: Hacker News / almost 3 years ago
  • jq 1.7 Released
    A couple more alternatives: https://github.com/kellyjonbrazil/jello. - Source: Hacker News / almost 3 years ago
  • Simple Apache Log Parser
    Yep, you can create a filter in jq to do that. Alternatively, if you prefer Python syntax you could try jello, which works like jq but is really Python under the hood. (I am also the author of jello). Source: over 3 years ago
  • Jc – JSONifies the output of many CLI tools
    Hi there - I'm the author of `jc`. I also created `jello`[0], which works just like `jq` but uses python syntax. I find `jq` is great for many things but sometimes more complex operations are easier for me to grok in python. [0] https://github.com/kellyjonbrazil/jello. - Source: Hacker News / almost 4 years ago
  • An introduction to the magic of jq - Understanding the basics of jq with a realistic example
    I'm no expert in any of these tools, but here are some yamlpath and jello examples to match:. Source: over 4 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 jello and RepDB, you can also consider the following products

fx - Command-line JSON processing tool

Gym Log Track - The simple, intuitive app that makes it easy to plan, log and track your workouts, exercises, photos, videos, routines and clients quickly.

jq - jq is like sed for JSON data - you can use it to slice and filter and map and transform structured...

RepRaptor - Build, share, and run structured workout programs. Free for lifters. Flat pricing for coaches. No per-client fees.

AWStats - AWStats is a Open Source Web Analytics software written in Perl.

Reps.app - Reps - Workout Tracker Gym Log