InstaTrainMe Trainer vs ShellShock Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
InstaTrainMe Trainer
Connect directly with clients seeking fitness expertise. Manage your schedule, attract new clients, and grow your business through a comprehensive marketplace platform. Facilitates secure bookings, payments, and communication.
- Client discovery marketplace
- Instant and scheduled bookings
- Client matching by skills and location
- Business management dashboard
- Secure payment processing
- In-app client chat
- Onsite GPS tracking
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InstaTrainMe connects you directly with clients looking for fitness professionals like you! Whether you specialise in personal training, yoga, or sports coaching, InstaTrainMe gives you instant access to clients in need of your expertise. Manage your schedule, attract new clients, and grow your fitness business—all from one easy-to-use marketplace platform. Features: ●Marketplace: Get Discovered by Clients. ●Instant Bookings: Accept sessions on-demand or set a schedule that works for you. ●Client Match: Get matched with clients based on your skills and location. ●Manage Your Business: Customize pricing, manage bookings, and track your earnings from a comprehensive dashboard. ●Secure Payments: Hassle-free, secure transactions for every session. ●In-Session Chat: Communicate with clients safely through our secure chat. ●Onsite GPS Tracking: Ensure a seamless experience during in-person sessions. ●Session History: Track past sessions and client feedback. ●Notifications: Get real-time booking alerts to stay on top of your schedule. ●Emergency Support: Access a dedicated support team for assistance whenever you need it. Join InstaTrainMe and grow your fitness career today!
ShellShock Trainer
Log your gym sessions, track personal records, and visualize which muscles you've worked. Connect with a supportive community of lifters, share your progress, and discover new training routines.
- Log workouts and sessions
- Track personal records (PRs)
- Visualize muscle engagement
- Connect with a lifting community
- Save training history
- Follow other lifters
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Shell Shock Trainer is the training app from ShellShock Energy. Log workouts, track PRs, see which muscles you hit, and train with a community that actually lifts. WORKOUTS Log lifts and sessions in one place. Keep a training history you can actually use the next time you walk in the gym. PRS AND RANKINGS Save personal records and see how you stack up. Chase numbers, not streaks that reset when you miss a day. MUSCLE MAP See what you trained. The muscle map helps you balance your week instead of repeating the same two movements. COMMUNITY Post, talk shop, and follow other lifters. Report and block are built in so the feed stays usable. ACCOUNT Sign in with Apple. Delete your account from the app when you want out. Camera and photo library are used when you add photos. Shell Shock Trainer is free to download. Version 1.0 has no in-app purchases or subscriptions. ShellShock Energy / Atlas Nutricles LLC
Screenshots
Verdict
The clearest difference is update cadence: ShellShock Trainer at every 4 days against InstaTrainMe Trainer's monthly. InstaTrainMe Trainer's advantage is iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and ratings volume 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.
On the App Store both sit at effectively the same score — 5.0 for InstaTrainMe Trainer against 5.0 for ShellShock Trainer. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
InstaTrainMe Trainer ships an update monthly, ShellShock Trainer every 4 days. The most recent releases landed on October 11, 2026 and October 26, 2026 respectively.
| Parameter | InstaTrainMe Trainer | ShellShock Trainer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Monthly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 251 MB | 8 MB |
| Age rating | 4+ | 12+ |
| Developer | InstaTrainMe Technologies, INC. | Atlas Nutricles LLC |
Customer experience
InstaTrainMe Trainer
ShellShock Trainer
In-app purchases
InstaTrainMe Trainer
No in-app purchases
ShellShock Trainer
No in-app purchases
Questions
Is InstaTrainMe Trainer free?
Is ShellShock Trainer free?
Which has better reviews, InstaTrainMe Trainer or ShellShock Trainer?
Do InstaTrainMe Trainer or ShellShock Trainer have ads?
Which is updated more often, InstaTrainMe Trainer or ShellShock Trainer?
Other comparisons
