Comparison

Flex Rewards vs Kelkou

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

Head to head
About

Flex Rewards

This app digitizes loyalty stamp cards, allowing users to collect stamps and earn rewards from participating businesses. It offers features like welcome and birthday rewards, promotions, and prize draws for a streamlined loyalty experience.

Highlights
  • Collect digital stamps
  • Redeem rewards
  • Receive welcome rewards
  • Birthday rewards
  • View promotions
  • Set reminders
  • Enter prize draws
Features
Read full description

Flex Rewards is a digital stamp card app. Use this app to collect stamps and rewards from participating businesses. The app allows you to: • collect stamps • redeem rewards • receive welcome rewards • receive birthday rewards (see note 1) • receive promotions • set reminders • set preferences • enter prize-draws (see note 2) Note 1. To receive birthday rewards you must complete setup of your Giftbox and provide a date of birth. Note 2. Prize draw entries are available only from vendors that have configured custom stamp cards for your program. Please read our terms of service carefully. By registering an account with Flex Rewards you consent to the release of your contact information and other account data to the participating vendor for purposes of delivering the specified rewards program.

About

Kelkou

Features
Read full description

At KelKou.mu, we make your grocery shopping smarter, simpler, and more economical. Whether you're looking for the best deals on your weekly essentials or comparing prices across your favourite local supermarkets, KelKou.mu brings it all together in one place. Gone are the days of hopping between stores or browsing multiple flyers. With KelKou.mu, you can search thousands of grocery products, compare prices instantly, and track historical price changes – all from the comfort of your home or mobile device.

Screenshots

Flex Rewards4 screens
Kelkou3 screens

Verdict

The call

The clearest difference is update cadence: Kelkou at daily against Flex Rewards's every 4 weeks. Flex Rewards's advantage is iOS requirement (11.0 vs 15.0). 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

Flex Rewards ships an update every 4 weeks, Kelkou daily. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
Flex Rewards versus Kelkou: the parameters behind the verdict, then further details
ParameterFlex RewardsKelkou
PriceFreeFree
Rating4.2 (11 ratings) — better—
Positive reviews91.7% of reviews—
Number of ratings11 — better—
Update frequencyEvery 4 weeksDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better15.0
Further details — not scored
Size47 MB83 MB
Age rating12+4+
DeveloperFlextech.io Pte. Ltd.Holdem Dynamics

In-app purchases

None

Flex Rewards

No in-app purchases

None

Kelkou

No in-app purchases

Questions

Is Flex Rewards free?
Flex Rewards is free to download, with no in-app purchases.
Is Kelkou free?
Kelkou is free to download, with no in-app purchases.
Do Flex Rewards or Kelkou have ads?
Neither Flex Rewards nor Kelkou shows ads.
Which is updated more often, Flex Rewards or Kelkou?
Flex Rewards ships an update every 4 weeks, and Kelkou daily. Most recently, Flex Rewards was updated on October 9, 2026 and Kelkou on October 18, 2026.

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