Did I lock? vs 2FA TOTP Authenticator
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!
2FA TOTP Authenticator
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Simple two-step verification (2FA), OTP (One Time Password) dynamic code generator (currently only supports TOTP), good operating experience, minimalist interface, the data is automatically synchronised to iCloud, do not worry about data theft, loss. There is another WatchApp to sync the data of iPhone, you can view the dynamic verification code on Watch, and it is basically compatible with iPad, and you can sync the data with iPhone through iCloud. Never add adverts or in-app purchases. Other features. - Album QR Code Import - QR code export - Night/Day mode - FaceID/TouchID/lock code verification can be set at startup
Screenshots
Verdict
The clearest difference is price: Did I lock? at Free against 2FA TOTP Authenticator's $0.99. Did I lock? also leads on iOS requirement (11.0 vs 26.0). 2FA TOTP Authenticator's advantage is ads (none vs shown). On update cadence, 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
Did I lock? is free to download; 2FA TOTP Authenticator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Did I lock? ships an update every 6 weeks, 2FA TOTP Authenticator every 5 weeks. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.
| Parameter | Did I lock? | 2FA TOTP Authenticator |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 6 weeks | Every 5 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 11.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 12 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Yusaku Hatakenaka | 捷 凌 |
In-app purchases
Did I lock?
No in-app purchases
2FA TOTP Authenticator
No in-app purchases
Questions
Is Did I lock? free?
Is 2FA TOTP Authenticator free?
Do Did I lock? or 2FA TOTP Authenticator have ads?
Which is updated more often, Did I lock? or 2FA TOTP Authenticator?
Other comparisons
