Comparison

it vs OneTodo

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

Head to head
About

it

Easily record and track when you last performed any activity. Set up recurring reminders to visually indicate when it's time for an action. Group related tasks to stay organized and never forget important recurring events.

Highlights
  • Record last activity
  • Visual recurring reminders
  • Customizable tracking
  • Group similar activities
  • Update activity history
Features
Read full description

Need help remembering when you last did something? itHappened is here to help! Easily record, see and update when something last happened. Something... anything... whatever you want..... You decide what to keep track of and when it happened. Setup a repeating activity to visually indicate that it is time it happens. Can't remember when you last changed the furnace filter? Me neither, just let the itHappened app help you remember! Group similar activities to keep similar items together!

About

OneTodo

Organize your life with a hierarchical task management system. Create tasks, pages, projects, boxes, and spaces to structure your to-do list and plans. Track project progress and manage separate data spaces for different aspects of your life.

Highlights
  • Hierarchical task organization (Task > Page > Project > Box > Space)
  • Create standalone tasks
  • Use pages as project subtitles
  • Track project completion progress
  • Group projects with boxes
  • Separate data spaces for internal accounts
Features
Read full description

Your Personal Task System. The Todo Application In The New Era Task -> Page -> Project -> Box -> Space # Todo/Task - add a to-do to your project or box. - tasks can also stand on their own. # Page - add a page to list your to-do plan. - you could use page as project’s subtitle. # Project - add a goal, plan, list as one project. - projects can show completion progress. # Box - add a box to group projects. # Space - stores a separate data space. - as the internal account system of OneTodo. OneTodo offers auto-renewable subscriptions. - Available plans, durations, and localized prices are shown on the purchase screen. Prices may vary by country or region. - Payment will be charged to your Apple Account when you confirm the purchase. - The subscription renews automatically unless you turn off auto-renew at least 24 hours before the end of the current period. - Your Apple Account will be charged for renewal within 24 hours before the end of the current period. - You can manage or cancel subscriptions in your App Store account settings after purchase. - Any unused portion of a free trial, if offered, will be forfeited when you purchase a subscription. Privacy Policy: https://docs.onenice.tech/#/OneTodo/privacy Terms of Service: https://docs.onenice.tech/#/OneTodo/terms Contact us: hi@onenice.tech Twitter: @OneTodoApp

Screenshots

it4 screens
OneTodo4 screens

Verdict

The call

The clearest difference is rating: it at 4.0 against OneTodo's 2.3. it also leads on monetization model (free with in-app purchases vs subscription). OneTodo's advantage is ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price, 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

Both are free to download. it sells 1 one-off in-app purchase and OneTodo sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

it holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

it ships an update every 2 months, OneTodo every 9 days. The most recent releases landed on July 5, 2026 and September 9, 2026 respectively.

Scorecard5 real differences · 5 level
it versus OneTodo: the parameters behind the verdict, then further details
ParameteritOneTodo
PriceFreeFree
Rating4.0 (1 ratings) — better2.3 (3 ratings)
Positive reviews—71.4% of reviews
Number of ratings13 — better
Update frequencyEvery 2 monthsEvery 9 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS16.6 — better17.6
Further details — not scored
Size6 MB140 MB
Age rating4+4+
DeveloperChristopher WagnerChengdu Reinvent Technology Co., Ltd.

Customer experience

it

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

OneTodo

All ratings3 ratings
Positive0.0%
Neutral66.7%
Negative33.3%
Written reviews7 reviews
Positive71.4%
Neutral28.6%
Negative0.0%

In-app purchases

1 purchases

it

One-time1
  • Remove Ads$0.99
3 purchases

OneTodo

Subscriptions2
  • OneTodo Pro (Monthly)$0.991 Month
  • OneTodo Pro (Yearly)$6.991 Year
One-time1
  • OneTodo Pro (Lifetime)$14.99

Questions

Is it free?
it is free to download, with in-app purchases available.
Is OneTodo free?
OneTodo is free to download, with in-app purchases available.
Which has better reviews, it or OneTodo?
it is rated higher. it averages 4.0 out of 5 from 1 ratings, while OneTodo averages 2.3 from 3 ratings.
Do it or OneTodo have ads?
it shows ads; OneTodo does not.
Which is updated more often, it or OneTodo?
it ships an update every 2 months, and OneTodo every 9 days. Most recently, it was updated on July 5, 2026 and OneTodo on September 9, 2026.

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