Comparison

M1 Prepaid vs Locker Guard

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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

About

Locker Guard

Features
Read 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

M1 Prepaid4 screens
Locker Guard3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
M1 Prepaid versus Locker Guard: the parameters behind the verdict, then further details
ParameterM1 PrepaidLocker Guard
PriceFreeFree
Rating1.7 (15 ratings) — better—
Positive reviews14.1% of reviews—
Number of ratings15 — better—
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, Apple Watch — better
Requires iOS15.5 — better26.0
Further details — not scored
Size88 MB14 MB
Age rating4+4+
DeveloperM1 LimitedShunsuke Takanishi

In-app purchases

None

M1 Prepaid

No in-app purchases

None

Locker Guard

No in-app purchases

Questions

Is M1 Prepaid free?
M1 Prepaid is free to download, with no in-app purchases.
Is Locker Guard free?
Locker Guard is free to download, with no in-app purchases.
Do M1 Prepaid or Locker Guard have ads?
Neither M1 Prepaid nor Locker Guard shows ads.
Which is updated more often, M1 Prepaid or Locker Guard?
M1 Prepaid ships an update every 5 weeks, and Locker Guard every 3 days. Most recently, M1 Prepaid was updated on November 2, 2026 and Locker Guard on October 31, 2026.

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