Comparison

When2Do vs Days Left

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

Head to head
About

When2Do

This app helps you plan your activities by scheduling them based on duration, deadline, and your work schedule. It tracks task progress and can export data to CSV. View your overall schedule in a GANTT style.

Highlights
  • Automated activity scheduling
  • Task duration and deadline input
  • Work schedule and holiday consideration
  • Task execution status tracking
  • CSV data export
  • GANTT style schedule view
Features
Read full description

When2Do pianifica le vostre attività. When2Do plans your activities. Describe the activity by giving a name, duration, and deadline. When2Do will schedule it as soon as possible, taking into account other activities, daily work schedule, weekdays and holidays. When2Do will provide you with the scheduled date and time and indicate whether or not it meets the deadline. Whenever you start working on a task you can set the execution status and change it when you stop. Using this information, When2Do can produce a csv file for use in other applications. Tasks can be grouped into Objectives and the overall schedule can be seen in GANTT style.

About

Days Left

Easily track important life events, both past and future. This app offers a clean interface, custom reminders, and home screen widgets to keep you organized and motivated. Personalize your experience with multiple themes.

Highlights
  • Track days since past events
  • Countdown to future events
  • Customizable reminders
  • Home screen widgets
  • Multiple themes and styles
Features
Read full description

Countdown - Days Since Keep track of life’s most important moments with Days Counter - Since & Left – a beautifully designed and modern countdown app. Whether you’re eagerly awaiting a special event or celebrating milestones, this intuitive app helps you stay organized and motivated. • Track your events effortlessly – Count the days since past events or the days remaining until future ones. • Minimalist and elegant design – A clean, distraction-free interface that puts your events front and center. • Custom reminders – Never forget an important date with personalized notifications. • Widgets for quick access – View your countdowns at a glance from your home screen. • Multiple themes & customization – Personalize your experience with a variety of themes and styles. Celebrate, anticipate, and cherish every moment with Days Counter - Since & Left. Download now and start counting!

Screenshots

When2Do3 screens
Days Left4 screens

Verdict

The call

The clearest difference is update cadence: When2Do at every 10 days against Days Left's every 5 weeks. When2Do also leads on iOS requirement (16.1 vs 18.2). On price, rating, review sentiment and ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for When2Do against 5.0 for Days Left. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

When2Do ships an update every 10 days, Days Left every 5 weeks. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
When2Do versus Days Left: the parameters behind the verdict, then further details
ParameterWhen2DoDays Left
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings11
Update frequencyEvery 10 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.1 — better18.2
Further details — not scored
Size2 MB1 MB
Age rating12+17+
DeveloperDanilo BottiniAngel Retureta Reyes

Customer experience

When2Do

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Days Left

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

When2Do

No in-app purchases

None

Days Left

No in-app purchases

Questions

Is When2Do free?
When2Do is free to download, with no in-app purchases.
Is Days Left free?
Days Left is free to download, with no in-app purchases.
Which has better reviews, When2Do or Days Left?
When2Do and Days Left are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do When2Do or Days Left have ads?
Neither When2Do nor Days Left shows ads.
Which is updated more often, When2Do or Days Left?
When2Do ships an update every 10 days, and Days Left every 5 weeks. Most recently, When2Do was updated on September 29, 2026 and Days Left on October 2, 2026.

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