M1 Prepaid vs Locker Guard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
M1 Prepaid
Manage your prepaid mobile account conveniently from your device. Check balances, data usage, top up your card, purchase plans, and manage network settings. Stay updated with the latest promotions.
- Check main balance and card expiry
- Monitor data usage
- Top up M Card
- Purchase data and roaming packs
- Extend validity
- Manage network settings
- Receive promotions
Read full descriptionHide full description
Our new M1 Prepaid App lets you manage your M Card account conveniently, on the go. Choose from the following 5 languages: English, Mandarin, Bahasa, Tamil and Bengali. Managing your M Card account has never been easier! Use the app to: • Check main balance, card expiry and data usage information • Top up M Card, • Purchase data, roaming packs, extend validity and more • Manage network settings • Receive latest promotions in your inbox Please note that by downloading this app, you agree to the M1 App T&Cs which is available at https://www.m1.com.sg/terms-and-conditions/my-m1-app and the M1 Data Protection Policy which is available at https://www.m1.com.sg/data-protection
Locker Guard
Read full descriptionHide full description
Locker Guard is a personal security app designed to help monitor your own locker or personal storage space. Place your iPhone inside the locker and start monitoring. Locker Guard detects changes around the device and, depending on the selected mode, can capture photos or video when unusual activity is detected. Recorded events can be reviewed later as Security Events. Photos and videos are stored only on your own devices and in your iCloud. Neither the developer nor other third parties can access your recordings. Key Features ・Detects possible locker openings through changes in brightness and other signals ・Captures photos or video when unusual activity is detected ・Lets you review recorded Security Events in one place ・Saves evidence securely using iCloud Choose the Right Monitoring Mode for the Location ・Where recording is appropriate, you can monitor your locker using the camera. ・In changing rooms or other places where bystanders may be captured and recording may not be appropriate, you can use a mode that does not access the camera or microphone. Locker Guard provides Safe Use guidance when you start using the app and helps you choose an appropriate monitoring method for the location. Locker Guard does not guarantee theft prevention or the detection or recording of every event. Please follow applicable laws and facility rules regarding recording, and use the app only where permitted.
Screenshots
Verdict
The clearest difference is update cadence: Locker Guard at every 3 days against M1 Prepaid's every 5 weeks. M1 Prepaid's advantage is iOS requirement (15.5 vs 26.0). On price, ads, 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.
M1 Prepaid ships an update every 5 weeks, Locker Guard every 3 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | M1 Prepaid | Locker Guard |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (15 ratings) — better | — |
| Positive reviews | 14.1% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 5 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch — better |
| Requires iOS | 15.5 — better | 26.0 |
| Further details — not scored | ||
| Size | 88 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | M1 Limited | Shunsuke Takanishi |
In-app purchases
M1 Prepaid
No in-app purchases
Locker Guard
No in-app purchases









