Comparison

OneThing vs CoTick

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

Head to head
About

OneThing

This app helps you stay focused by displaying your most important task on your home or lock screen. It simplifies your life by bringing order through focusing on one priority at a time.

Highlights
  • Display crucial item on home/lock screen
  • Stay focused and efficient
  • Simple input
  • Visible everywhere
  • Brings order to life
Features
Read full description

OneThing - Focus on what matters most, right now. This sleek and powerful app allows you to capture and display the most crucial item in your life at any given moment. Whether on your home screen or lock screen, OneThing ensures your priority is always in sight, helping you stay focused and efficient. Simple input, visible everywhere - bringing order to your life with just one thing at a time --- After confirming the purchase and payment, your iTunes account will automatically renew the subscription. The Apple iTunes account will charge within 24 hours before the expiration date. Once the payment is successful, the subscription period will extend by one subscription period. To cancel the renewal, please manually turn off the auto-renewal feature in the iTunes/AppleID settings at least 24 hours before the current subscription period ends. During the trial period, if the iTunes account does not cancel the subscription, it will automatically start the subscription and charge at the end of the trial period. Any unused trial period will be forfeited after purchasing the subscription. This service allows you to choose whether to cancel; if you choose not to cancel, the renewal service for the next billing period will start automatically. private privacy: https://merciful-sugar-3e6.notion.site/Privacy-Policy-b0e24b6beb074420ae88ec07239d1c5f?pvs=74 term of service: https://merciful-sugar-3e6.notion.site/Terms-of-Service-ffa8642d0e864e22b1dcd5fb06870978

About

CoTick

Features
Read full description

CoTick is a to-do list you share. Groceries, trip packing, household chores: everyone sees the same list and checks things off together. • Share with others: invite members and choose who can edit, who can only check items off, and who can only view • Share in one tap: send a list's link with Messages, LINE and more; it opens straight to that list • Works offline: keep checking items off without a connection; changes sync when you're back online • Photos: add a photo to any item and tap to view it full screen • Public lists: share a link anyone can view, even without an account • Friends and groups: pick members faster from your friends and contact groups • Sign in with Apple, Google or email, and link them to one account • Available in English, 繁體中文, 简体中文 and 日本語 No ads. No tracking.

Screenshots

OneThing4 screens
CoTick4 screens

Verdict

The call

The clearest difference is price: CoTick at Free against OneThing's $0.99. CoTick also leads on update cadence (every 3 days vs fortnightly). On ads, in-app purchases, device support and iOS requirement 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

CoTick is free to download; OneThing costs $0.99 up front. OneThing sells 1 one-off in-app purchase and CoTick sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

OneThing ships an update fortnightly, CoTick every 3 days. The most recent releases landed on November 14, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 7 level
OneThing versus CoTick: the parameters behind the verdict, then further details
ParameterOneThingCoTick
Price$0.99Free — better
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyFortnightlyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaid—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size2 MB9 MB
Age rating4+4+
Developer定荣 郭SHIWEI CHUANG

In-app purchases

1 purchases

OneThing

One-time1
  • buy the author a cola$0.99
3 purchases

CoTick

One-time3
  • Buy me a coffee$0.99
  • Buy me lunch$2.99
  • Big support$8.99

Questions

Is OneThing free?
OneThing costs $0.99, and also offers in-app purchases.
Is CoTick free?
CoTick is free to download, with in-app purchases available.
Do OneThing or CoTick have ads?
Neither OneThing nor CoTick shows ads.
Which is updated more often, OneThing or CoTick?
OneThing ships an update fortnightly, and CoTick every 3 days. Most recently, OneThing was updated on November 14, 2026 and CoTick on November 6, 2026.

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