Quick Verdict

Choose One Sec if: You want a calming mindfulness pause that reduces app-opens through breathing and intentional awareness
Choose Clearspace if: You want customizable delays with cognitive challenges (math, typing) and group accountability features

One Sec in 30 Seconds

One Sec intercepts distracting app launches with a breathing exercise. A calming animation plays, you take a conscious breath, then the app asks if you still want to proceed. One Sec reports a 57% reduction in app-opens. Custom interventions and journaling options provide flexibility. iOS and Android, freemium at ~$39.99/year.

Clearspace in 30 Seconds

Clearspace puts obstacles between you and distracting apps. When you try to open a blocked app, you face a delay timer — optionally paired with a cognitive challenge like a math problem or typing exercise. The deliberate friction activates your prefrontal cortex and breaks the autopilot cycle. Usage insights and group challenges add depth. iOS-only, freemium at ~$69.99/year.

Feature Comparison

Feature	One Sec	Clearspace
Intervention type	Breathing exercise + intent check	Delay timer + cognitive challenges
Intervention tone	Calming, mindful	Deliberately annoying
Challenge options	Custom interventions, journaling	Math problems, typing, timer
Blocking approach	Soft — choose to proceed	Moderate — complete challenge first
Analytics	Time saved, reduction stats	Usage insights
Social features	None	Group challenges
Published effectiveness	57% reduction	Significant reduction
Platforms	iOS + Android	iOS only
Pricing	~$39.99/year	~$69.99/year

Key Differences

Calming vs Annoying

This is the core philosophical split. One Sec calms you down with a breath, then asks if you still want to proceed from a place of awareness. Clearspace frustrates you with a delay or math problem, making the app feel not worth the effort. One Sec changes your state of mind. Clearspace changes the cost-benefit calculation. Both reduce screen time, but through opposite emotional mechanisms.

Challenge Variety

Clearspace offers more variety in its friction mechanisms — countdown timers, math problems, typing exercises, and customizable delay durations. One Sec focuses primarily on the breathing intervention with options for custom exercises and journaling. If you need variety to prevent habit fatigue (where you tune out the same intervention), Clearspace provides more options.

After the Intervention

One Sec always lets you proceed after breathing. Clearspace requires completing the challenge before access. In practice, both approaches work: One Sec users often decide not to proceed after the breath, and Clearspace users often abandon the app rather than solve another math problem. But if you consistently choose to proceed on One Sec, Clearspace's mandatory completion adds an extra deterrent layer.

Platform and Cost

One Sec works on Android. Clearspace doesn't. One Sec costs ~$39.99/year vs Clearspace's ~$69.99/year. One Sec wins on both availability and value.

Pricing

	One Sec	Clearspace
Free tier	Yes	Yes (limited)
Annual	~$39.99/year	~$69.99/year
Platforms	iOS + Android	iOS only

Which Should You Choose?

You want the intervention to feel peaceful: One Sec. Breathing is calming. Math problems are not.

You want the intervention to deter you from opening apps: Clearspace. Having to solve 15 x 8 before opening TikTok is an effective deterrent.

You're on Android: One Sec.

You want social accountability: Clearspace. Its group challenges let you compete with friends.

Budget matters: One Sec at ~$39.99/year is nearly half of Clearspace's ~$69.99/year.

You want variety in your interventions: Clearspace offers more challenge types.

Frequently Asked Questions

Does One Sec's breathing exercise lose effectiveness over time? Some users report the breathing pause becoming routine after weeks. One Sec addresses this with custom interventions and journaling options to keep the experience fresh. Clearspace's cognitive challenges vary more but can also become routine.

Can Clearspace's challenges be made harder over time? You can customize the difficulty and duration of challenges. Some users progressively increase the delay or challenge complexity as they build tolerance to the friction.

Which is better for someone with anxiety? One Sec. Its breathing exercise can genuinely reduce anxiety in the moment, which serves a dual purpose — reducing screen time and calming your nervous system. Clearspace's cognitive challenges can feel stressful.

Do either of these apps actually block apps permanently? Neither is a hard blocker. Both add friction before app access but ultimately let you through. For hard blocking, look at Opal or Brick. For hard blocking with a faith dimension, FaithLock uses Bible verse quizzes that must be completed before access.

Can I use both apps? Not practically on iOS — running two blocking apps creates API conflicts. On Android, only One Sec is available.

Sources: One Sec on App Store, One Sec on Google Play, Clearspace on App Store

One Sec vs Clearspace: Which Is Better?