Comparison

Diddit vs When Did I Last

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

Head to head
About

Diddit

Create shared trackers for recurring life events with others. Easily log entries, view historical timelines, and manage household tasks, hobbies, or pet care. Your data is securely stored in iCloud with no third-party tracking.

Highlights
  • Create shared trackers
  • One-tap logging
  • Historical timelines
  • Private or shared groups
  • iCloud data storage
  • No third-party tracking
Features
Read full description

Keep track of the things that don't belong on a to-do list, and do it with others. Diddit allows you to create trackers, shared groups, and historical timelines for the things that recur in life. It's great for household tasks, caring for kids or pets, hobbies, and anything that requires a shared record. Your data is stored in your existing iCloud account -- there's no separate sign-up and no other server involved. There's also no third-party tracking, no analytics, and no metrics gathering. Start using Diddit immediately with no setup. It feels just like a built-in app. If you're comfortable with Reminders, you'll be right at home in Diddit. - Create groups to hold private or shared trackers - Add trackers for anything you want to keep track of - Use one-tap logging to easily add an entry to any trackers - Include a note if you need to refer back to it - View the historical timeline of each tracker, including the time elapsed between each entry - Ask Siri when you last did something, or to log a new entry in a tracker Diddit is made in New York City by an independent developer. -- Terms of Use https://didditapp.com/terms

About

When Did I Last

Read full description

When Did I Last? is a simple recurring-task tracker for maintenance and life chores that do not fit a daily to-do list. Create a task, record when it was last completed, and tap Mark Done the next time you finish it. Category views keep household, automotive, work, family, yard, and other tasks easy to scan. Core features: - See how long it has been since a task was completed - Mark tasks complete in one tap - Organize tasks by category - Add optional due intervals in hours or days - Choose a reminder time or start reminders on a calendar date - Review upcoming deadlines in a calendar - Keep task data locally unless you choose a Premium sync, sharing, or export feature An optional one-time Premium purchase adds: - Unlimited tasks - Custom categories and category colors - Notes, reusable checklists, and up to 10 photos per task - Completion records with notes, costs, checklists, and photos - Advanced recurrence, early reminders, repeating alerts, and quiet hours - Reusable task templates and completion insights - Automatic iCloud sync across Apple devices - Private household collaboration through Apple iCloud sharing - Portable list sharing plus manual backup and restore - Three configurable due-task widgets - Eight alternate app icon colors and dark mode - Apple Calendar and CSV export tools No account is required. No advertising or third-party analytics are included.

Screenshots

Diddit4 screens
When Did I Last4 screens

Verdict

The call

The clearest difference is iOS requirement: When Did I Last at 15.6 against Diddit's 18.0. On price, update cadence, 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. Diddit sells 2 in-app purchases, starting at $1.99 per month and When Did I Last sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Diddit ships an update monthly, When Did I Last every 3 weeks. The most recent releases landed on October 4, 2026 and September 29, 2026 respectively.

Scorecard1 real difference · 9 level
Diddit versus When Did I Last: the parameters behind the verdict, then further details
ParameterDidditWhen Did I Last
PriceFreeFree
Rating5.0 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone, iPod — better
Requires iOS18.015.6 — better
Further details — not scored
Size18 MB37 MB
Age rating4+4+
DeveloperChristopher LoSaccoAARON ROSS JACOBSEN

In-app purchases

2 purchases

Diddit

Subscriptions2
  • Diddit Plus (Monthly)$1.991 Month
  • Diddit Plus$19.991 Year
1 purchases

When Did I Last

One-time1
  • Lifetime Premium$4.99

Questions

Is Diddit free?
Diddit is free to download, with in-app purchases available.
Is When Did I Last free?
When Did I Last is free to download, with in-app purchases available.
Do Diddit or When Did I Last have ads?
Neither Diddit nor When Did I Last shows ads.
Which is updated more often, Diddit or When Did I Last?
Diddit ships an update monthly, and When Did I Last every 3 weeks. Most recently, Diddit was updated on October 4, 2026 and When Did I Last on September 29, 2026.

Other comparisons