Comparison
Opal Reader vs WattMate
Price, price history, availability and ratings, side by side.
| Opal Reader | WattMate | |
|---|---|---|
| What it does | Unfold your next chapter. Read PDFs and EPUBs, keep a notebook beside the page, and continue in a compact view on iPhone Duo. Also available on iPhone and iPad. | See which apps and AI coding agents are draining your MacBook battery, right from the menu bar, in real watts and the minutes you get back by quitting one. |
| Deal type | Price unknown | Lifetime deal |
| Price | $14.99 USD $14.99 | $9.99/yr |
| Lowest in 30 days | — | $19.02 |
| Uptime | Live | Live |
| Tracked | 0 days | 35 days |
| Reliability, 30 days | 100 % | 100 % |
| Deadline moved | no | no |
| Rating | — | — |
| Refund window | not stated | not stated |
| Platform | — | macOS 14+ (Apple silicon) |
| Upvotes | 0 | 2 |
| Open | Open |
Price and terms are entered by the maker. Uptime and price history are measured by us and cannot be influenced.