NEXT DOOR TRAIN vs HL7 CRAYFISH
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NEXT DOOR TRAIN
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Elevate your fitness routine with the app! It's your all-in-one solution to easily monitor your workouts, track progress, and achieve your fitness goals with engaging insights and motivation. The app offers an array of features, including: Workout Tracking Seamlessly capture all your workout data from gym equipment or manually enter it for a complete record. Training Plans Optimize your workouts with personalized plans provided by your fitness facility or trainer. Activity Levels Stay motivated with encouraging milestones as you progress to higher levels. Fun Challenges Challenge yourself with time-based activities that reward you with kudos, activity points, and prizes. Schedules Manage and book classes with ease to keep yourself on track. And much more! The app integrates with HealthKit to help you save your workouts and contribute to your fitness goals and challenges. Have a comment or question about the app? Email our team directly at digitalsupport@egym.com.
HL7 CRAYFISH
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Check and modify HL7 "Health Level Seven" messages by your iPhone, Check the ACK messaged from Laboratory Information Systems or your Host server. ESAY to change the IP Address and port for Host server
Screenshots
Verdict
The clearest difference is iOS requirement: NEXT DOOR TRAIN at 15.0 against HL7 CRAYFISH's 17.2. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
NEXT DOOR TRAIN ships an update every 4 months, HL7 CRAYFISH every 2 months. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.
| Parameter | NEXT DOOR TRAIN | HL7 CRAYFISH |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 180 MB | 4 MB |
| Age rating | 12+ | 4+ |
| Developer | NEXT DOOR HV GmbH & Co. KG | NOBORU HORIKOSHI |
In-app purchases
NEXT DOOR TRAIN
No in-app purchases
HL7 CRAYFISH
No in-app purchases
Questions
Is NEXT DOOR TRAIN free?
Is HL7 CRAYFISH free?
Do NEXT DOOR TRAIN or HL7 CRAYFISH have ads?
Which is updated more often, NEXT DOOR TRAIN or HL7 CRAYFISH?
Other comparisons
