Did I lock? vs I
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Did I lock?
This utility helps alleviate the anxiety of forgetting to lock your door. Simply tap the app after securing your home, and a history log will confirm your action, saving you a trip back to check.
- Log door locking actions
- Check history of locks
- Reduce post-departure anxiety
- Simple one-tap logging
- Confirmation of secured doors
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If you often think "Did I lock the door?" after you leave home, this app can be a help for your feeling of uncertainty! Here is how it works: - it is very simple "Lock the door then Tap the app"- For example, fifteen minutes after you leave the house, if you start to think "Did I lock the door?". Rather than run back home to check, simply look at your "Lock Checker" app. The check history you made in the app when you locked the door confirms it's done. If there is no check-history, you better go back. "Lock Checker" just saved your day from disaster! No need to check or re-check from today. No worries at all!
I
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With 'I Did,' managing your daily tasks has never been easier. This powerful app allows you to effortlessly record and celebrate your accomplishments. Whether it's locking the door, taking medication, or any other routine, 'I Did' helps you stay organized and motivated. Add custom options, schedule reminders, and track your progress with ease. Swipe to delete or edit tasks, view detailed history, and even enable location tracking for added convenience. 'I Did' is your go-to tool for staying on top of your goals and celebrating your successes every day.
Screenshots
Verdict
The clearest difference is ads: I at none against Did I lock?'s shown. I also leads on update cadence (every 3 days vs every 6 weeks). Did I lock?'s advantage is iOS requirement (11.0 vs 13.0). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Did I lock? ships an update every 6 weeks, I every 3 days. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.
| Parameter | Did I lock? | I |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 6 weeks | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 12 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Yusaku Hatakenaka | Ofek Tal |
In-app purchases
Did I lock?
No in-app purchases
I
No in-app purchases
