Comparison

Engage (SmartSpending) vs CauliBox

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

Head to head
About

Engage (SmartSpending)

Access exclusive employer discounts, purchase instant vouchers, and earn cashback on online purchases. Save money on everyday items and larger expenses with a secure digital wallet and intelligent basket features.

Highlights
  • Exclusive employer discounts
  • Instant voucher purchases
  • Digital wallet for vouchers
  • Earn cashback on online shopping
  • Intelligent basket for multi-device purchases
  • Secure login with PIN
Features
Read full description

Welcome to Engage, the app that brings together everyday savings, recognition, goals & challenges, wellbeing support and company updates.​ ​Engage helps your money go further with instant savings at hundreds of retailers. From everyday essentials to fashion, electronics, utilities, holidays and more, Engage lets you discover and redeem discounts anytime, anywhere.  ​ ​ Engage is much more than just discounts. Depending on your employer's setup, you may also be able to send and receive recognition, connect your device to count steps and track your fitness progress, set up personal or team goals and challenges, explore wellbeing content, stay up to date with company news, and get instant answers to your benefits questions, all from your phone.​ New to Engage? ​ If your employer offers Engage as part of your benefits or employee engagement programme, simply download the app, register with your work details, and start using it straight away. ​ ​Already using Engage? ​ Welcome to your new and improved experience! Depending on your employer’s programme, you may now see some or all of the below. ​ With Engage you can now: ​ • Save money with exclusive discounts at hundreds of popular in-store and online retailers. ​ • Send and receive recognitions, including eCards and instant awards.​ • Connect your device (Apple Health, Apple Watch, Fitbit, Garmin, Withings, HealthConnect) to count your steps and track your health and fitness progress.​ • Set up personal fitness, financial, learning or mental health goals and track progress over time.​ • Join fun team challenges that bring people together.​ • Explore wellbeing content such as videos, audio, articles and recipes.​ • Stay connected with company news and updates.​ • Get instant answers to your benefits questions with your own AI Assistant.​ Note: To use Engage, your employer must be a participating client, and you will need an eligible account.

About

CauliBox

This app offers a sustainable solution to takeaway meals by providing reusable packaging. Users can reduce plastic waste and their carbon footprint while enjoying their food in durable containers and earning rewards.

Highlights
  • Reusable takeaway packaging
  • Reduce single-use plastic waste
  • Lower carbon footprint
  • Durable lunchboxes
  • Earn rewards
Features
Read full description

Caulibox is the UK’s first reusable takeaway packaging scheme. Join us in the fight against single-use plastic waste, cut down your carbon footprint, get your lunch in high-quality durables lunchboxes, and the best part? it’s completely free and you even earn Rewards!

Screenshots

Engage (SmartSpending)4 screens
CauliBox4 screens

Verdict

The call

The clearest difference is review sentiment: CauliBox at 78% against Engage (SmartSpending)'s 16%. CauliBox also leads on rating (5.0 vs 4.6) and iOS requirement (13.0 vs 15.1). Engage (SmartSpending)'s advantage is ratings volume (264 vs 1) and update cadence (weekly vs monthly). 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

CauliBox holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Engage (SmartSpending) has 264 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 16% of Engage (SmartSpending)'s written reviews are positive against 78% of CauliBox's.

UpkeepUpdate frequency

Engage (SmartSpending) ships an update weekly, CauliBox monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Engage (SmartSpending) versus CauliBox: the parameters behind the verdict, then further details
ParameterEngage (SmartSpending)CauliBox
PriceFreeFree
Rating4.6 (264 ratings)5.0 (1 ratings) — better
Positive reviews16.2% of reviews77.8% of reviews — better
Number of ratings264 — better1
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size70 MB46 MB
Age rating4+4+
DeveloperReward GatewayCauli Ltd.

Customer experience

Engage (SmartSpending)

All ratings262 ratings
Positive90.5%
Neutral1.1%
Negative8.4%
Written reviews667 reviews
Positive16.2%
Neutral8.8%
Negative75.0%

CauliBox

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive77.8%
Neutral0.0%
Negative22.2%

Bugs and requests

Engage (SmartSpending)

Reported bugs

5 issues
  • App freezes on login screen, requiring force quit
  • Instant vouchers not appearing after purchase
  • Saved payment details not being recognized
  • Cashback not tracking properly or being credited
  • Inconsistent behavior across iOS and Android versions

Requested features

5 requests
  • Add ability to check gift card balances within the app
  • Improve search functionality to find retailers easily
  • Implement password management instead of magic codes
  • Allow users to add notes to gift cards for tracking balances
  • Provide better customer support and communication

CauliBox

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Engage (SmartSpending)

No in-app purchases

None

CauliBox

No in-app purchases

Questions

Is Engage (SmartSpending) free?
Engage (SmartSpending) is free to download, with no in-app purchases.
Is CauliBox free?
CauliBox is free to download, with no in-app purchases.
Which has better reviews, Engage (SmartSpending) or CauliBox?
CauliBox is rated higher. Engage (SmartSpending) averages 4.6 out of 5 from 264 ratings, while CauliBox averages 5.0 from 1 ratings.
Do Engage (SmartSpending) or CauliBox have ads?
Neither Engage (SmartSpending) nor CauliBox shows ads.
Which is updated more often, Engage (SmartSpending) or CauliBox?
Engage (SmartSpending) ships an update weekly, and CauliBox monthly. Most recently, Engage (SmartSpending) was updated on November 2, 2026 and CauliBox on November 3, 2026.

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