Did I lock? vs MicroKeyVault Mobile
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!
MicroKeyVault Mobile
Access your organization's security devices, including key vaults and padlocks, using your smartphone. This app securely manages device authorization and maintains an audit trail of all unlock and access attempts.
- Unlock key vaults, padlocks, and door controllers
- Access security devices with your phone
- Securely manage device authorization
- Record audit trails of unlock activity
- Sign in with organizational credentials
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Unlock your Midwest Security key vaults, padlocks, and door controllers with MicroKeyVault Mobile. Sign in using credentials supplied by your organization's administrator, and start accessing your organization's security devices using only your phone. MicroKeyVault Mobile securely controls who is authorized to access each device and records an audit trail of unlock or attempt activity.
Screenshots
Verdict
The clearest difference is ads: MicroKeyVault Mobile at none against Did I lock?'s shown. MicroKeyVault Mobile also leads on monetization model (free vs ad-supported). Did I lock?'s advantage is update cadence (every 6 weeks vs every 5 months) and device support (3 vs 1). On price, rating, ratings volume 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Did I lock? against 5.0 for MicroKeyVault Mobile. Both are backed by a comparable volume of ratings — 5 and 4 respectively.
Did I lock? ships an update every 6 weeks, MicroKeyVault Mobile every 5 months. The most recent releases landed on October 17, 2026 and September 24, 2026 respectively.
| Parameter | Did I lock? | MicroKeyVault Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | 4 |
| Update frequency | Every 6 weeks — better | Every 5 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 12 MB | 133 MB |
| Age rating | 4+ | 4+ |
| Developer | Yusaku Hatakenaka | Midwest Security Products, Inc. |
Customer experience
Did I lock?
MicroKeyVault Mobile
In-app purchases
Did I lock?
No in-app purchases
MicroKeyVault Mobile
No in-app purchases
Questions
Is Did I lock? free?
Is MicroKeyVault Mobile free?
Which has better reviews, Did I lock? or MicroKeyVault Mobile?
Do Did I lock? or MicroKeyVault Mobile have ads?
Which is updated more often, Did I lock? or MicroKeyVault Mobile?
Other comparisons
