Gridlines Training vs Diesel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gridlines Training
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Gridlines keeps your program, today’s training, and workout history in one place. FOLLOW THE PLAN See exactly what is scheduled today, move through each session, and understand how the current day fits into your full training plan. LOG THE WORK Record sets, reps, load, time, distance, and effort as you train. Prescribed targets and built-in rest timing keep the session moving without losing the details. TRAIN FROM YOUR WRIST Use the Apple Watch companion to open today’s sessions, log sets, adjust results, rate effort, and keep working when your phone is briefly out of reach. With permission, Gridlines can save completed Watch workouts to Apple Health and show heart rate during a session. SEE YOUR PROGRESS Review completed workouts and training trends in Activity. You can also match compatible workouts already stored in Apple Health to Gridlines sessions. STAY CONNECTED Follow programming from your coach or organization and keep up with your training community in one app. Gridlines is designed for fitness and training. It does not provide medical advice, diagnosis, or treatment. Apple Health access is optional.
Diesel
Browse class schedules, filter by type, and book reservations. Manage your upcoming classes and stay committed to your fitness goals with easy access to class packs and memberships.
- Purchase class packs and memberships
- Browse and filter class schedules
- Book class reservations
- Manage upcoming classes
- Stay organized with fitness goals
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Features: - Purchase Class Packs and Memberships Easily browse and purchase our class packs or membership options - View our schedule Filter classes by type to find the perfect fit for your routine. - Manage your reservations Book your class reservations with ease. Keep track of your upcoming classes and manage your schedule to stay organized and committed to your fitness goals.
Screenshots
Verdict
The clearest difference is iOS requirement: Diesel at 16.0 against Gridlines Training's 26.2. 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.
Gridlines Training ships an update every 3 weeks, Diesel fortnightly. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.
| Parameter | Gridlines Training | Diesel |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (16 ratings) — better |
| Number of ratings | — | 16 — better |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 26.2 | 16.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Kyle Joseph Wilcox | DIESEL FITNESS, INC. |
In-app purchases
Gridlines Training
No in-app purchases
Diesel
No in-app purchases
Questions
Is Gridlines Training free?
Is Diesel free?
Do Gridlines Training or Diesel have ads?
Which is updated more often, Gridlines Training or Diesel?
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