Comparison

Luvu vs Knack

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Luvu

This app helps you control screen time and boost productivity by blocking distracting apps and launching focus sessions. It uses gamification and emotional coaching to help you break bad habits and build healthier routines.

Highlights
  • Auto-enforced focus sessions
  • Distraction blocking
  • Personalized habit building
  • Game-like retention
  • Emotional accountability
  • Daily rituals and wins
Read full description

Luvu is the #1 app for controlling screen time and supercharging your productivity, mental health, and day-to-day clarity. This emotional little marshmallow blocks distracting apps, launches focus sessions, negotiates when you try to cheat, and rewards you for reclaiming your life, one mindful moment at a time. You’ll spend over 25 years of your life on your phone! With Luvu, you start getting that time back. Using a mix of distraction blocking, gamification, social accountability, and emotional coaching, Luvu helps you break doomscroll habits, stay present, and build healthier routines that finally stick. Thousands of people have already transformed their digital lives and Luvu is ready to help you do the same. What you get with Luvu: • Auto-enforced focus sessions – Set a goal, start a session, and Luvu locks down your distracting apps. If you try to leave early, you’ll… have to negotiate with him. • Distraction blocking – Block social media (TikTok, Instagram, YouTube Shorts, ...), games, messages, or any apps you choose—instantly or on a schedule. • Personalized habit building – Luvu learns your patterns, strengths, and weak moments, then adjusts difficulty and support to help you reduce screen time day by day. • Game-like retention – Earn XP for staying focused, unlock emotes, activate “Ultra Focus Mode,” and save your streak with clever streak-savers. • Emotional accountability – Luvu can be supportive, snarky, disappointed-in-you, or full chaotic gremlin. Whatever keeps you off TikTok. • Daily rituals and wins – Tiny dopamine hits for staying present, avoiding doomscroll spirals, and building intentional routines. • Friendly rivalries & milestones – Compare today’s screen time vs your past self (and optionally friends), and earn badges for big victories . • Customizable experience – Choose Luvu’s vibe, strictness level, negotiation style, and celebration energy. Whether you’re starting fresh, trying to reclaim your attention, or chasing your best digital self, Luvu makes staying focused weirdly fun. Why Luvu? • Built to stick. Smart pacing, adaptive difficulty, and reward momentum help you stay focused more days in a row than you ever have. • A personality that motivates. Luvu isn’t just a blocker—he’s your needy, dramatic accountability buddy who really wants you to succeed. • Effortless protection. Once you set your boundaries, Luvu enforces them. You just show up. • Progress you can feel. Watch your screen time drop, your habits strengthen, and your sense of control return. Try Luvu Plus Upgrade to Luvu Plus for premium perks: unlimited streak savers, advanced blocking rules, exclusive coaching voices, deeper customization, and faster progression. Start with a free trial to unlock the full power of your tiny digital bodyguard. Subscription details: If you choose to purchase Luvu Plus, payment will be charged to your Apple account, and your account will be charged for renewal within 24 hours prior to the end of the current period. Auto-renewal can be turned off anytime from your account settings. Any unused portion of a free trial, if offered, will be forfeited when you purchase a subscription. Privacy Policy: luvufit.com/privacy Terms of Service: luvufit.com/tos

About

Knack

Features
Read full description

Say it better — before you send. Knack is your AI writing assistant for email, chat, and anywhere you type. Fix grammar, rephrase awkward sentences, adjust your tone, translate to Hindi or Marathi, and reply faster — without leaving the app you're in. Knack — Say it Better • Grammar & professional tone — polish emails and messages before you hit send • Rephrase anywhere — custom keyboard, Share menu, or the Knack app • Hindi & Marathi — translate your draft or write a reply in Devanagari • Smart replies & occasions — respond to emails and birthday wishes in one tap • Playful tones — flirty, teasing, and other fun modes when the moment fits • US slang & rich vocabulary — sound natural or elevate your word choice • History & review — revisit past rephrases and edit longer results before replacing text Three ways to use Knack 1. Knack Keyboard — tap Improve, Grammar, or Pro 2. Share → Rephrase with Knack — share selected text and pick a mode 3. In the Knack app — type or paste, then choose a style Free to try Get 10 free rephrases per day for 3 days. Upgrade for unlimited use ($10/month). Payment is charged to your Apple ID. The subscription renews automatically until you cancel in Settings → Apple ID → Subscriptions. Privacy you can trust Elite Edge LLC never sells your data. Text you submit is processed only to return suggestions — not used for advertising. Privacy Policy: https://eliteedgeb2b.com/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Before you send Knack gives suggestions, not guarantees. Always review output before sending important messages. Questions or support: contactus@eliteedgeb2b.com

Screenshots

Luvu4 screens
Knack4 screens

Verdict

The call

The clearest difference is device support: Knack at 3 against Luvu's 1. Knack also leads on iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Luvu sells 10 in-app purchases, starting at $19.99 per month and Knack sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 8 level
Luvu versus Knack: the parameters behind the verdict, then further details
ParameterLuvuKnack
PriceFreeFree
Rating4.6 (319 ratings) — better—
Positive reviews36.8% of reviews—
Number of ratings319 — better—
Update frequencyEvery 4 days—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size174 MB2 MB
Age rating12+4+
DeveloperLuvuElite Edge Solutions

In-app purchases

10 purchases

Luvu

Subscriptions10
  • Luvu Plus3 Days trial$19.991 Month
  • Luvu Plus7 Days trial$19.991 Month
  • Luvu Plus3 Days trial$39.991 Year
Show 7 more
  • Luvu Plus$39.991 Year
  • Luvu Plus7 Days trial$39.991 Year
  • Luvu Plus$59.991 Year
  • Luvu Plus7 Days trial$59.991 Year
  • Luvu Plus3 Days trial$59.991 Year
  • Luvu Plus3 Days trial$79.991 Year
  • Luvu Plus7 Days trial$79.991 Year
1 purchases

Knack

Subscriptions1
  • Monthly$9.991 Month

Questions

Is Luvu free?
Luvu is free to download, with in-app purchases available.
Is Knack free?
Knack is free to download, with in-app purchases available.
Do Luvu or Knack have ads?
Neither Luvu nor Knack shows ads.

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