DEEP vs Strong: Which Workout Tracker Is Better in 2026?
Strong is the most popular workout logging app on iOS, known for its clean interface and fast exercise logging. DEEP is an all-in-one health platform that pairs a workout builder with sleep tracking, nutrition logging, and AI coaching.
If you want the fastest, most streamlined way to log sets and reps in the gym, Strong is hard to beat. If you want your workout data connected to how you slept, what you ate, and whether your body is actually recovered enough to train hard today, DEEP offers a different kind of value.
What workout features does each app offer?
Strong focuses on being the best possible workout logger. DEEP combines workout building with sleep and nutrition data for recovery-aware training.
| Feature | DEEP | Strong |
|---|---|---|
| Exercise library | 1,800+ exercises with video demos | ~300 built-in + unlimited custom exercises |
| Exercise videos | Yes (professional video for every exercise) | No (static illustrations) |
| Workout logging speed | Good | Excellent (fastest in class — one-tap set completion) |
| Custom routines | Yes | Yes (unlimited with Pro) |
| Supersets | Yes | Yes |
| Rest timer | Yes | Yes (with auto-start) |
| Progressive overload tracking | Yes | Yes (personal records, volume tracking) |
| Workout history and charts | Yes | Yes (detailed per-exercise graphs) |
| Apple Watch app | Yes | Yes (standalone — can log without phone) |
| Sleep tracking | Yes (stages, HRV, sleep debt, readiness) | No |
| Nutrition tracking | Yes (calories, macros, barcode scanning) | No |
| Recovery scoring | Yes (daily readiness 0-100) | No |
| AI health coaching | Yes (cross-domain insights) | No |
| Data export | Yes | Yes (CSV export) |
| Android support | No (iOS only) | Yes |
How does the gym experience compare?
Strong is optimized for speed in the gym — minimal taps to log a set. DEEP adds recovery context so you know whether to push hard or back off before you even start.
Strong's logging flow is best-in-class. One tap to complete a set, auto-populated weights from your last session, and a rest timer that starts automatically. The Apple Watch standalone app means you can leave your phone in the locker. For pure gym efficiency, Strong has years of refinement behind every interaction.
DEEP's workout experience includes something Strong cannot offer: context. Before your session starts, DEEP's readiness score tells you if your body is actually recovered enough for a heavy session. If your HRV is down and you only got five hours of sleep, the AI coach might suggest swapping heavy squats for a moderate session. After your workout, your nutrition and sleep data help explain whether you are recovering properly between sessions.
How much do DEEP and Strong cost?
| Plan | DEEP | Strong Pro |
|---|---|---|
| Monthly | $14.99/mo | ~$9.99/mo |
| Annual | $99.99/yr ($8.33/mo) | ~$39.99/yr ($3.33/mo) |
| Lifetime | $149.99 (one-time) | ~$199.99 (one-time) |
| Free tier | Limited features | 3 custom routines, limited history |
Which should you choose?
Choose Strong if:
- Fast, frictionless workout logging is your top priority
- You want a standalone Apple Watch app for phone-free gym sessions
- You already use separate apps for nutrition and sleep that you like
- You want the cleanest, most minimal workout tracker available
- You use Android
Choose DEEP if:
- You want to know if your body is ready to train before starting a session
- You need nutrition tracking alongside workout logging
- You want video demos for 1,800+ exercises instead of static images
- You want AI coaching that connects your training to sleep and diet
- You want one app instead of juggling Strong + a food tracker + a sleep tracker
Strong is the best standalone workout logger on the market — fast, clean, and laser-focused. DEEP is for lifters who believe that what happens outside the gym (sleep, nutrition, recovery) matters as much as what happens inside it.