Unpluq, a Rotterdam-based team out of Delft University's design programme and backed by Techstars and angel investors, offers something genuinely distinctive within the physical-key category: a small NFC tag you scan to unlock apps, plus several non-hardware "barrier" alternatives — shaking the phone, tapping seven buttons, scanning a QR code, or (on Android) walking a set distance. It's a thoughtfully designed range of friction types, not just one, and it reflects a design team that clearly spent real time thinking about the moments when a physical tag genuinely isn't a practical option. The team's academic design background shows in small, considered details, like the option to choose which specific barrier fits a given moment rather than being locked into one fixed mechanism regardless of context.
What Unpluq actually does
The core product is a keychain-sized NFC tag: scan it against your phone and blocked apps unlock. For moments the tag isn't on hand, Unpluq offers alternative "barriers" — a physical shake, tapping through several buttons, scanning a QR code, or a walking-distance requirement on Android, giving you a fallback that doesn't leave you completely stuck if you left your keys somewhere else. It also supports geofencing, so apps can auto-unlock in specific locations you've set, like your own living room, and reinstalling the app after uninstalling it requires logging back into your Unpluq account, a real if modest deterrent against a quick uninstall-and-reinstall workaround. Unpluq's dashboard also shows detailed usage analytics broken down by app and time of day, giving a level of insight into your own patterns that goes beyond simply knowing whether or not you were blocked.
Where Unpluq is honestly the better pick
The range of friction types — hardware tag, physical shake, QR scan, walking distance — is a genuine strength most competitors, including Mr. Grummel, don't attempt to match; it gives you options depending on context rather than forcing one fixed mechanism regardless of your circumstances. Geofencing is also a distinctive, useful feature: auto-unlocking apps in a specific place, like a gym where you might legitimately need a fitness app, is something a quiz-only model doesn't offer at all. The willingness to offer software-only barriers at no cost, alongside the paid hardware tag, also means Unpluq doesn't force anyone into a purchase just to try its core idea, which is a genuinely user-friendly way to structure the free tier.
| Feature | Unpluq | Mr. Grummel |
|---|---|---|
| Platforms | iOS, Android — NFC tag optional; software-only "barriers" available too | iOS & Android (in development) |
| Core mechanism | Scan a physical NFC tag, or complete a software barrier (shake, tap sequence, QR scan, walk distance) | Answer a quiz question from the app's curriculum to unlock |
| Self-bypassable by the account holder? | Reinstalling requires re-authenticating to your account; an optional "Block Uninstall" toggle can be disabled by the user | Not yet released — can't be assessed |
| Physical hardware required? | Optional — a $22 NFC tag, or free software-only barriers | No |
| Price | Free tier (2 apps, 1 schedule); Premium roughly $61/yr, tag hardware $22 standalone | Not yet announced — join the waiting list |
The one mechanical difference that actually matters
Unpluq's range of barriers means the friction can be physical (the tag, a shake, a walk) or purely digital (a QR scan) depending on what you've set up — a genuinely flexible design that adapts to your actual situation rather than assuming one context fits every moment. Mr. Grummel doesn't offer that choice; it's a quiz question, every time, with nothing to configure and nothing extra to carry, charge, or leave in another room by accident. Unpluq trades simplicity for range; Mr. Grummel trades range for a single, always-available mechanism that works identically whether you're at home, at work, or somewhere you've never been before. Which of Unpluq's several barrier types you'd actually reach for in the moment probably depends heavily on context — a QR scan works fine at a desk, but a walking-distance requirement is obviously a poor fit if you're already out and about.
Who should pick which
If you like having a physical object as an option, or want apps to auto-unlock in specific places like a gym or office without you needing to think about it each time, Unpluq's range of barriers and geofencing does things Mr. Grummel simply doesn't offer. If you want one consistent kind of friction that never depends on whether you remembered to bring something with you, and never needs a location set up in advance, that's the simpler bet Mr. Grummel is making. It's also worth trying Unpluq's free software-only barriers before deciding whether the physical tag is worth the extra cost, since the underlying friction concept can be evaluated without spending anything beyond the time it takes to set it up. It's also worth trying the geofencing feature specifically if you have one or two locations, like a home office or a gym, where certain apps are genuinely fine to use — that kind of context-aware exception is something a flat quiz-question model doesn't attempt to offer at all.