Comparison

Smile vs Thrum

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

Head to head
About

Smile

Features
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Meet Sparky and Make Brushing Fun! Brushing your teeth can be an adventure! Smile Timer helps kids learn how to brush the right way with fun timers, cool rewards, and a friendly helper named Sparky. Sparky, Your Toothbrush Buddy, Makes Smile Timer Fun Meet Sparky! He cheers you on every time you brush. You can dress him up with hats, glasses, and fun outfits! - Brushing Timer Brush for 2 minutes just like the dentist says. The timer shows you where to brush, so every tooth gets clean. - Mouthwash Timer Swish your mouthwash for 30 seconds. Sparky helps you count and keeps it fun. - Sticker Rewards Get cool stickers when you brush! Find lions, unicorns, rockets, and more. The more you brush, the more stickers you earn! - Goals and Streaks Brush in the morning and at night to keep your streak going. How many days in a row can you brush? Let’s find out! - Dress Up Sparky Make Sparky look just how you like. Pick hats, glasses, and outfits to match your style. - Fun Facts and Jokes Learn fun facts about teeth while you brush. Read silly jokes and tips to make time go fast. Why Kids Love Smile Timer β€’ Brushing feels fun, not boring β€’ Easy to use β€” just tap and brush β€’ Bright colors and fun animations β€’ Rewards for good brushing β€’ No ads β€” just fun Why Parents Love It Smile Timer helps kids: β€’ Brush for the full 2 minutes β€’ Learn how to brush the right way β€’ Build healthy habits β€’ Use the app without internet β€’ Keep all info safe on the device Start Brushing Today! Download Smile Timer and brush with Sparky. Every brush helps your teeth stay strong and happy! Remember: Brush twice a day β€” morning and night β€” for 2 minutes each time. Made with love by T2Smiles Questions? t2.prodesign@gmail.com

About

Thrum

Features
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Thrum is a silent, haptic focus timer for the ADHD brain. Feel time pass on your wrist β€” no numbers, no noise. A gentle, rhythmic pulse keeps you anchored, even when the screen is off. β€’ Time-hiding focus sessions β€” a ring that pulses with each cue, never a clock β€’ Works screen-off with reliable, gentle haptics (never a shock) β€’ Interval cues that nudge you through the day β€’ Transparent, one-tap cancel. No ads, ever. Thrum is a focus & time-awareness tool, not a medical or treatment device. Thrum Pro Your first 5 focus sessions are free. Pro unlocks unlimited focus sessions on iPhone and Apple Watch, custom haptic patterns, unlimited cue schedules, and focus stats. Available as a Monthly or Yearly auto-renewable subscription, or a one-time Lifetime purchase. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically for the same price and period unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://thrum.webkodingtheme.com/terms.html Privacy Policy: https://thrum.webkodingtheme.com/privacy.html

Screenshots

Smile4 screens
Thrum4 screens

Verdict

The call

The clearest difference is in-app purchases: Smile at none against Thrum's 4. Smile also leads on iOS requirement (15.1 vs 18.0). Thrum's advantage is update cadence (every 2 days vs every 7 months). On price, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Thrum sells 4 in-app purchases, starting at $3.99 per month. Smile asks for nothing beyond the download.

UpkeepUpdate frequency

Smile ships an update every 7 months, Thrum every 2 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard3 real differences Β· 3 level
Smile versus Thrum: the parameters behind the verdict, then further details
ParameterSmileThrum
PriceFreeFree
Update frequencyEvery 7 monthsEvery 2 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.1 β€” better18.0
Further details β€” not scored
Size30 MB14 MB
Age rating4+4+
DeveloperLonnie TerryArif OZELCI

In-app purchases

None

Smile

No in-app purchases

4 purchases

Thrum

Subscriptions3
  • Thrum Pro β€” Monthly$3.991 Month
  • Thrum Pro Yearly1 Year trial$29.991 Year
  • Thrum Pro β€” Yearly$29.991 Year
One-time1
  • Thrum Pro β€” Lifetime$59.99

Questions

Is Smile free?
Smile is free to download, with no in-app purchases.
Is Thrum free?
Thrum is free to download, with in-app purchases available.
Do Smile or Thrum have ads?
Neither Smile nor Thrum shows ads.
Which is updated more often, Smile or Thrum?
Smile ships an update every 7 months, and Thrum every 2 days. Most recently, Smile was updated on October 25, 2026 and Thrum on October 28, 2026.

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