ChekkIt ToDo Lists vs WhenWas
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChekkIt ToDo Lists
Create and manage your daily tasks with a simple and intuitive to-do list application. Organize your day with local lists designed for immediate use. Keep track of your responsibilities without complex features.
- Local "Today" lists
- To-do list creation
- List management
- Intuitive interface
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Check Out "ChekkIt", a new ToDo and List Creator!
WhenWas
Effortlessly track recurring activities and important life events. This app helps you remember the last time you performed tasks like haircuts, maintenance, or medication. Widgets and a clean interface make tracking simple and accessible.
- Home and lock screen widgets
- Apple Watch app integration
- Smart search functionality
- Timeline history for activities
- Clean, intuitive design with dark mode
- Optional iCloud sync for cross-device access
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Remember the last time. Know what comes next. WhenWas is a straightforward last-time tracker and maintenance log for the small but important things that don’t belong on a fixed calendar. Watering plants, replacing filters, servicing a bike, grooming a pet, calling family—check in with one tap and instantly see how long it has been. No streaks to protect. No guilt. Just a clear history and the context you need for the next check-in. TRACK TIME, USES, MILEAGE & HOURS Enhanced Activities let you track maintenance by: • Time since the last check-in • Number of uses or cycles • Mileage and meter readings • Operating hours • Walking, running, or cycling distance from Apple Health Set a maintenance goal, view progress at a glance, add a use, or update a meter directly from your activity list. When maintenance is complete, WhenWas saves the finished interval to your timeline. SAVE THE DETAILS YOU’LL NEED LATER Keep model numbers, supplies, sizes, instructions, and other permanent notes with each activity. Add optional notes to individual check-ins so your history tells the full story. SHARE WITH FAMILY & FRIENDS Invite people to a shared activity so everyone can see and update the latest check-in. It is ideal for household routines like feeding the dog, cleaning the litter box, changing sheets, or replacing a filter. USE WHENWAS FOR • Home maintenance, plants, filters, and cleaning • Pet care, treatments, grooming, and vet visits • Haircuts, dentist visits, contacts, and medication refills • Family calls, date nights, and catching up with friends • Oil changes, tire rotations, batteries, and bike service • Generator hours, tool usage, and equipment maintenance • Running shoes, bikes, and other fitness gear BUILT FOR APPLE DEVICES • Timeline history with optional notes • Siri and Shortcuts • Apple Watch app • Home Screen widgets • Custom reminders • Search, filters, and pinned activities • iCloud sync • Dark Mode and accessible controls PRIVATE BY DESIGN Your data stays on your devices and in your personal iCloud. WhenWas does not store your activity data on its own servers. FREE & PRO Use WhenWas free with up to five activities, timeline history, Siri, and Apple Watch. WhenWas Pro unlocks unlimited activities, Enhanced Activities, Apple Health tracking, sharing, custom reminders, pinned activities, widgets, notes, and iCloud sync. Download WhenWas and stop wondering, “When did I last…?”
Screenshots
Verdict
The clearest difference is in-app purchases: ChekkIt ToDo Lists at none against WhenWas's 2. ChekkIt ToDo Lists also leads on iOS requirement (13.0 vs 18.0). WhenWas's advantage is update cadence (every 2 weeks vs every 4 months). 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
Both are free to download. WhenWas sells 2 one-off in-app purchases. ChekkIt ToDo Lists asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for ChekkIt ToDo Lists against 5.0 for WhenWas. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
ChekkIt ToDo Lists ships an update every 4 months, WhenWas every 2 weeks. The most recent releases landed on October 14, 2026 and September 26, 2026 respectively.
| Parameter | ChekkIt ToDo Lists | WhenWas |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 126 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Jorge Zapata | Drew Cortright |
Customer experience
ChekkIt ToDo Lists
WhenWas
In-app purchases
ChekkIt ToDo Lists
No in-app purchases
WhenWas
- Monthly Subscription$2.99
- Yearly Subscription$29.99









