Comparison

GK One vs mmg Customer

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

Head to head
About

GK One

This app facilitates money transfers, bill payments, and online shopping. It also allows users to apply for credit cards and insurance, manage prepaid cards, and donate to charities. Earn rewards by referring friends and track all your transactions in one place.

Highlights
  • Send and receive money transfers
  • Pay bills to over 100 billers
  • Apply for credit cards and insurance
  • Shop online with a prepaid VISA card
  • Refer friends to earn rewards
  • Donate to charities
  • Manage account and view transaction history
Features
Read full description

The GK One app gives you all-in-one financial freedom to manage your money, shop online, and stay connected. MONEY TRANSFERS & CARDS Collect or send Western Union transfers 24/7, make instant peer-to-peer transfers, and get a FREE VISA Prepaid card to shop online anywhere VISA is accepted. QUICK TOP-UPS *Instantly reload mobile credit (Flow & Digicel), JUTC SmartFare bus cards, and Highway 2000 T-Tags. SHOP ONLINE *Access Amazon, Shein, groceries, gift cards, travel, event tickets, courier services, and finance markets all from one hub. INVESTMENTS & LOANS *Invest with First Global Bank (FGB), or apply for FGB credit cards, auto loans, and mortgages directly in the app. INSURANCE & BILL PAYMENTS *Pay over 100 billers for free and purchase Third-Party Motor Vehicle or Accidental Medical insurance from GKGI. REWARDS & DISCOUNTS *Refer friends to earn GK Value Rewards points and unlock exclusive merchant discounts through GK Loyalty. EASY ACCOUNT MANAGEMENT *Track balances, view transaction history, get instant alerts, and manage or replace your card anytime. Download the GK One app today and claim your FREE VISA Prepaid card! N.B: To use some features of the GK One app, we are required to validate your identity to be compliant with local Know-Your-Customer (KYC) laws. In validating your identity, the GK One app will require access to your device's camera to capture photos and videos to facilitate ID verification and liveness detection. The Identity verification task must start and cannot be paused or interrupted to provide the best user experience possible. In some cases, the identity verification process may fail which requires the user to restart the process. We will require Foreground Service permissions for this process. Your privacy and data security are important to us, and all information collected will be handled in accordance with our privacy policy. GK One - ONE solution, endless possibilities! *The GK One digital product is being tested in the Bank of Jamaica Sandbox*

About

mmg Customer

This electronic wallet app offers a secure and flexible way to manage money in Guyana. It allows users to make payments, shop, transfer funds, and top up phone credit conveniently from anywhere. The service is free to use with no monthly fees.

Highlights
  • Electronic wallet
  • Secure money platform
  • Make payments
  • Shop online
  • Transfer money
  • Top up phone credit
  • Agent top-up locations
Features
Read full description

The mmg app is an electronic wallet, the first in Guyana, which uses a secure platform to allow you more money flexibility. It’s speedy, secure, simple and has no monthly fees. Using mmg, you can make payments, shop, transfer money, top up your phone, and more. You can do it anytime, anywhere. Our agents are conveniently located so you can top up your account with ease. Download now to get started.

Screenshots

GK One4 screens
mmg Customer4 screens

Verdict

The call

The clearest difference is rating: GK One at 4.7 against mmg Customer's 3.5. GK One also leads on review sentiment (75% vs 33%) and ratings volume (1.6K vs 60). mmg Customer's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

GK One holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: GK One has 1.6K ratings behind it against 60, so its average is the more settled of the two. Written reviews point the same way: 75% of GK One's written reviews are positive against 33% of mmg Customer's.

UpkeepUpdate frequency

GK One ships an update every 2 months, mmg Customer every 3 weeks. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
GK One versus mmg Customer: the parameters behind the verdict, then further details
ParameterGK Onemmg Customer
PriceFreeFree
Rating4.7 (1.6K ratings) — better3.5 (60 ratings)
Positive reviews75.0% of reviews — better33.3% of reviews
Number of ratings1.6K — better60
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size156 MB169 MB
Age rating4+17+
DeveloperGraceKennedy Financial Group LimitedGuyana Telephone & Telegraph Co. Ltd

Customer experience

GK One

All ratings1,570 ratings
Positive95.2%
Neutral2.2%
Negative2.7%
Written reviews44 reviews
Positive75.0%
Neutral9.1%
Negative15.9%

mmg Customer

All ratings54 ratings
Positive59.3%
Neutral7.4%
Negative33.3%
Written reviews15 reviews
Positive33.3%
Neutral6.7%
Negative60.0%

Bugs and requests

GK One

Reported bugs

2 issues
  • Transferred money disappearing
  • App not working for a period of time

Requested features

4 requests
  • Face ID login for faster access
  • Increase transaction limits
  • Add dark mode option
  • Improve contact information editing

mmg Customer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

GK One

No in-app purchases

None

mmg Customer

No in-app purchases

Questions

Is GK One free?
GK One is free to download, with no in-app purchases.
Is mmg Customer free?
mmg Customer is free to download, with no in-app purchases.
Which has better reviews, GK One or mmg Customer?
GK One is rated higher. GK One averages 4.7 out of 5 from 1.6K ratings, while mmg Customer averages 3.5 from 60 ratings.
Do GK One or mmg Customer have ads?
Neither GK One nor mmg Customer shows ads.
Which is updated more often, GK One or mmg Customer?
GK One ships an update every 2 months, and mmg Customer every 3 weeks. Most recently, GK One was updated on November 11, 2026 and mmg Customer on November 5, 2026.

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