Comparison

Redprint vs Core

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Redprint

Transform gyms into interactive spaces by tapping your phone on equipment tags. Access instructional videos, log exercises, and track your fitness progress with visual analytics and motivational achievements.

Highlights
  • Interactive gym equipment
  • Instructional equipment videos
  • Workout logging
  • Progress tracking
  • Metric graphics
  • Achievements
Features
Read full description

Redprint is the first fitness mobile application make gyms interactive. By simply tapping your phone against a Redprint tag in any Redprint compatible gym, you can learn from instructional video specific to that equipment and add the exercise to your workout to track your progress. Redprint provides metric graphics to help you analyze your progress over time and achievements to keep you motivated and to reward consistency. Try Redprint today!

About

Core

This app aims to make fitness spaces less intimidating by using visual communication systems. It offers workout tracking and fitness advice, designed to be accessible for all experience levels.

Highlights
  • Visual communication for gym accessibility
  • Fitness advice
  • Workout routine tracking
  • Habit building
  • Accessible for all levels
Features
Read full description

Welcome to the Core app! The Core brand has the mission of using visual communication systems to reduce psychological barriers to fitness participation. It integrates insights from environmental psychology, exercise science, and graphic design to make gym spaces more accessible and easier to understand, particularly to people new to those spaces, though it is designed to benefit users of all experience levels. Core provides users with fitness advice in and out of workouts, workout routine and split tracking in a way that builds a habit out of it, and more. Being a product of a college capstone project with the goal of making fitness tools as accessible as possible, all features are permanently free. No subscriptions, no purchases, no ads. Forever.

Screenshots

Redprint4 screens
Core4 screens

Verdict

The call

The clearest difference is review sentiment: Core at 100% against Redprint's 33%. Core also leads on in-app purchases (none vs 10). Redprint's advantage is iOS requirement (17.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Redprint sells 10 one-off in-app purchases. Core asks for nothing beyond the download.

UpkeepUpdate frequency

Redprint ships an update weekly, Core every 5 days. The most recent releases landed on October 10, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
Redprint versus Core: the parameters behind the verdict, then further details
ParameterRedprintCore
PriceFreeFree
Rating4.2 (20 ratings) — better—
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings20 — better—
Update frequencyWeeklyEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone
Requires iOS17.6 — better26.0
Further details — not scored
Size374 MB2 MB
Age rating12+12+
DeveloperRedprint Inc.Ben Treybal

Customer experience

Redprint

All ratings20 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Core

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

Redprint

One-time10
  • Routine purchase $9.99$9.99
  • Routine purchase $14.99$14.99
  • Routine purchase $19.99$19.99
Show 7 more
  • Routine purchase $24.99$24.99
  • Routine purchase $29.99$29.99
  • Routine purchase $39.99$39.99
  • Routine purchase $49.99$49.99
  • Routine purchase $59.99$59.99
  • Routine purchase $69.99$69.99
  • Routine purchase $79.99$79.99
None

Core

No in-app purchases

Questions

Is Redprint free?
Redprint is free to download, with in-app purchases available.
Is Core free?
Core is free to download, with no in-app purchases.
Do Redprint or Core have ads?
Neither Redprint nor Core shows ads.
Which is updated more often, Redprint or Core?
Redprint ships an update weekly, and Core every 5 days. Most recently, Redprint was updated on October 10, 2026 and Core on September 20, 2026.

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