GK One vs mmg Customer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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*
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.
- Electronic wallet
- Secure money platform
- Make payments
- Shop online
- Transfer money
- Top up phone credit
- Agent top-up locations
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | GK One | mmg Customer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.6K ratings) — better | 3.5 (60 ratings) |
| Positive reviews | 75.0% of reviews — better | 33.3% of reviews |
| Number of ratings | 1.6K — better | 60 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 156 MB | 169 MB |
| Age rating | 4+ | 17+ |
| Developer | GraceKennedy Financial Group Limited | Guyana Telephone & Telegraph Co. Ltd |
Customer experience
GK One
mmg Customer
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
GK One
No in-app purchases
mmg Customer
No in-app purchases









