| Unregistered User | Trial | Subscriber | |
|---|---|---|---|
| Reliability | ✔ | ✔ | ✔ |
| Process Capability | ✔ | ✔ | ✔ |
| Downloads | ✔ | ✔ | |
| Acceptance Sampling | Limited Plans | Limited Access | ✔ Unlimited Access ✔ Unlimited Plans |
| Control Charts | Limited | ✔ Unlimited | |
| Mobile-friendly | ✔ | ||
| Ad-Free | ✔ | ||
| Price | US$39/year |
Note: We also offer a free access program.