| 100% | FITBITS | 7 | Wrist devices that keep track of step count and heart rate |
| 44% | FITBIT | 6 | Wearable device that measures number of steps taken, heart rate, etc. |
| 34% | WARDROBE | 8 | Department that keeps track of the costumes |
| 34% | COUNTER | 7 | Something that keeps track of website visitors |
| 33% | ECG | 3 | Thing that keeps track of the beat?: Abbr. |
| 33% | UMPS | 4 | Keeps track of a count, maybe |
| 32% | BOOKKEEPER | 10 | One who keeps track of ins and outs |
| 31% | RADAR | 5 | Device that can track the paths of thunderstorms |
| 29% | LIST | 4 | Where Santa keeps track of the naughty and nice |
| 28% | CONSOLE | 7 | Device that can turn living rooms into virtual battlefields and keep you awake all night |
| 28% | SMART | 5 | ___ ring, wearable device that fits on a finger while tracking activity and notifications |
| 28% | TAB | 3 | Bill that a bartender keeps track of |
| 27% | MONITOR | 7 | Keep track of |
| 27% | MONITORED | 9 | Kept track of |
| 27% | ISN | 3 | System that logs and tracks vendors (anagram of "sin"): Abbr. |
| 27% | SIMPLEMACHINE | 13 | Force-multiplying device that can be found at the beginning of 18-, 33-, and 39-Across |
| 26% | SPEAKERS | 8 | Step 4: "Adjust the volume of your ___ (sound-producing devices), and enjoy the music!" |
| 26% | AERATOR | 7 | Device that keeps fish alive |
| 26% | RAILWAY | 7 | One that keeps track? |
| 26% | TIMES | 5 | Keeps track of on a stopwatch, say |
| 26% | REFS | 4 | They keep track of pins |
| 26% | LOSE | 4 | Fail to keep track of |
| 26% | TRAINSET | 8 | Something to keep track of? |
| 26% | TRAINSET | 8 | Toy to keep track of? |
| 25% | INDUSTRYGAMES | 13 | Title track of the 2020 EP by 11-Down that also features 8-Down and 36-Down (2 wds.) |
| 25% | FLASHFORWARD | 12 | Narrative device that peeks at the future ... and a hint to the start of 20-, 31-, and 48-Across |
| 25% | GIMBAL | 6 | Device that keeps a ship's compass level |
| 25% | HEATER | 6 | Device that keeps one warm during the winter |
| 25% | ANCHOR | 6 | Device that keeps you chained to a bed? |
| 25% | SKEDS | 5 | Personal assts. keep track of them |