Freedom has been around since 2011 and pioneered the "block everything across all your devices" approach to focus. It works on iPhone, Mac, Windows, Linux, and Chrome. Spool came later, takes a narrower scope (iPhone only), and uses a fundamentally different mechanism — voice-based awareness rather than blocking. Both have committed user bases for a reason.
Quick comparison
| Feature | Spool | Freedom |
|---|---|---|
| Core approach | Voice check-in (capture intent) | Hard block (remove access) |
| Platforms | iPhone | iPhone, Mac, Windows, Linux, Chrome |
| Best for | All-day habit change | Scheduled focus blocks |
| Data captured | Why you tried to open apps | Block compliance |
| Price | $7.99/mo or $39.99/yr | $8.99/mo or $39.99/yr |
What Freedom does well
Freedom's defining feature is cross-device synchronization. You schedule a 2-hour deep-work session, hit start, and the same blocking rules apply to your iPhone, your Mac, and any Chrome browser you have signed in. There's no escape hatch by switching devices.
Specific strengths:
- True cross-device blocking (most competitors handle one platform well)
- "Locked Mode" — once a session starts, you cannot stop it until it ends
- Schedule recurring sessions (block social media every weekday 9am-12pm)
- Block specific websites in addition to apps
For a knowledge worker who needs guaranteed distraction-free 4-hour blocks across their devices, Freedom does exactly that.
Where Freedom struggles
Freedom's philosophy is "make distractions inaccessible." That works for scheduled sessions. It works less well for the rest of the day, when you want apps available but used intentionally.
The common failure mode: users enable Freedom for work blocks, the blocks succeed, and then during non-blocked hours they doomscroll exactly as before. The total daily screen time often doesn't change — it just shifts into the unblocked windows.
The deeper issue: Freedom does not address why you reach for the phone. When the block ends, the underlying trigger is still there. Awareness-based interventions like Spool produce more durable change because they work on the trigger itself, not the access.
Where Spool fits differently
Spool doesn't block apps. It asks you to verbalize your reason for opening one. The 5-second voice check-in operationalizes Matthew Lieberman's 2007 affect-labeling research: naming an urge reduces its intensity.
This works for all-day, low-grade compulsive checking — the 47 micro-opens of Instagram between 9am and 11pm, the reach-for-the-phone-when-bored that Freedom's scheduled blocks don't catch.
Spool also captures structured data: across 8,000+ recorded voice check-ins, about 85% of users frame their unlock as a first-person want or need ("I just want to scroll," "I just need to check"). The AI surfaces those patterns back to the user as the actual driver of change.
Use case breakdown
You want scheduled deep work across multiple devices → Freedom. This is exactly the problem it solves.
You want to reduce all-day phone use on iPhone → Spool. The voice check-in targets the moment of impulse.
You have tried hard-blocking apps and kept disabling them → Spool. The lower friction of speaking a reason (vs being locked out) makes it harder to rage-quit.
You need website blocking on desktop → Freedom. Spool doesn't do desktop or websites.
Can I use both?
Yes. Freedom handles scheduled focus blocks; Spool handles the rest of the day. They don't compete for the same iOS API surface and don't conflict.
The bottom line
Freedom is a blocker, and a very good one — especially across devices. Spool is an awareness tool for the moments Freedom isn't running. If your phone problem is "I can't focus during work hours," Freedom solves that. If your phone problem is "I check Instagram 50 times a day without thinking about it," Spool solves that. They're different problems.