SIM check vs ACM for locks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SIM check
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This App is designed for hotels to keep track of SIM data cards distributed to guests on the usage and top up records
ACM for locks
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Access Code Manager(ACM) is a mobile phone App to provide the code management functions for ACM supported electronic lock, working with ACM App some code accessing electric lock can be upgraded as smart lock with more modern smart phone APP features. Main functions: 1. Locks management of add/edit/delete 2. Lock code log management 3. Lock OTC feature operations 4. Lock TCC6 feature operations 5. Lock TCC10 feature operations 6. Share unlocking code to users via SMS, email, App etc. Supported locks: Electronic lock which firmware is upgraded to support ACM OTC, TCC6 or TCC10, such as lock model NL02P, WT100, WT200 and DA02 etc.
Screenshots
Verdict
The clearest difference is ads: SIM check at none against ACM for locks's shown. SIM check also leads on update cadence (every 3 weeks vs every 6 months) and iOS requirement (8.0 vs 16.0). 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.
SIM check ships an update every 3 weeks, ACM for locks every 6 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.
| Parameter | SIM check | ACM for locks |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 6 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 38 MB | 10 MB |
| Age rating | 4+ | 12+ |
| Developer | Aitrago.com Limited | WOBBI TECHNOLOGY LIMITED |
In-app purchases
SIM check
No in-app purchases
ACM for locks
No in-app purchases
Questions
Is SIM check free?
Is ACM for locks free?
Do SIM check or ACM for locks have ads?
Which is updated more often, SIM check or ACM for locks?
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