Comparison

NZ Post vs Contact Energy

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

Head to head
About

NZ Post

Track parcels, send items, and find nearby locations. Manage deliveries with custom instructions, arrange redelivery, and redirect packages. Look up addresses and postcodes on the go.

Highlights
  • Automatic parcel tracking
  • In-app parcel sending
  • Delivery instructions
  • Redelivery arrangement
  • Parcel redirection
  • Address and postcode lookup
  • Store and post box finder
Features
Read full description

Get quick access to parcel tracking while you're on the go. Send a parcel, find a NZ Post location nearby, and check an address, all on the app. Features: • We'll automatically add your parcels to the app. Sign in using your existing My NZ Post account and we'll start linking your parcels to your account! • Access our online sending tool within our mobile app. Find a price, pay for parcel sending and get your sending label emailed to you. • Quickly add delivery instructions with our improved form • Add Leave my parcel instructions for your signature required parcel if you aren't home • Pay for Saturday (and evening) delivery within the app • Missed your delivery? Arrange redelivery within the app. There's no need to visit another tool. • Redirect your parcel to a Collect my parcel location with user-friendly location selection, maps and opening hours • Need to look up an address or postcode while you’re on the move? You can do that within the mobile app. • Find a NZ Post store or post box near you or check where you can access our services.

About

Contact Energy

Monitor your electricity and gas usage with detailed historical data. Easily view your account balance, pay bills, and review transaction history. Manage your energy plan, update household details, and add new services.

Highlights
  • Track energy usage history (15 months)
  • View account balance
  • Pay bills and view transactions (12 months)
  • Manage and change energy plans
  • Update household details
  • Add new services
Features
Read full description

The Contact app makes it easy to track your usage, and understand your bills. Other handy features: -Track Your Energy Usage: Review your energy usage history for up to the past 15 months. -Account Balance: Keep an eye on your account balance. -Bill Payments & Transactions: Pay your bills and access transaction history for up to the past 12 months. -Manage Your Plan: change your plan or add another service as per your needs. Household set up changed? You can also update your details, add new services or change plans.

Screenshots

NZ Post4 screens
Contact Energy4 screens

Verdict

The call

The clearest difference is review sentiment: Contact Energy at 32% against NZ Post's 16%. NZ Post's advantage is update cadence (fortnightly vs every 6 weeks). 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.

UpkeepUpdate frequency

NZ Post ships an update fortnightly, Contact Energy every 6 weeks. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

Scorecard2 real differences · 8 level
NZ Post versus Contact Energy: the parameters behind the verdict, then further details
ParameterNZ PostContact Energy
PriceFreeFree
Rating—4.6 (80 ratings) — better
Positive reviews16.3% of reviews31.7% of reviews — better
Number of ratings—80 — better
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.4
Further details — not scored
Size49 MB53 MB
Age rating4+4+
DeveloperNew Zealand Post LimitedContact Energy Ltd

Customer experience

NZ Post

Written reviews153 reviews
Positive16.3%
Neutral6.5%
Negative77.1%

Contact Energy

All ratings80 ratings
Positive87.5%
Neutral10.0%
Negative2.5%
Written reviews104 reviews
Positive31.7%
Neutral13.5%
Negative54.8%

User reviews

NZ Post

From App Store reviews

What we love

  • 📦 Effective parcel tracking functionality
  • 🔔 Push notifications for delivery updates
  • 👤 RealMe login support
  • 📱 Improved user interface and design
  • ✅ Better app stability in recent versions

Room to improve

  • 🐛 Frequent login/authentication failures
  • 🔄 Constant unexpected logouts
  • ⏳ Slow loading times and lag
  • ❌ App crashes and freezes
  • 🔗 Broken links and non-functional features

Contact Energy

From 80 App Store ratings

What we love

  • 👍 Easy to use and understand
  • 👍 Good customer service
  • 👍 Ability to track power usage
  • 👍 Simple navigation
  • 👍 Good for submitting meter reads

Room to improve

  • 🐛 Constantly glitchy and unstable
  • 🐛 Unable to log in frequently
  • 🐛 App is often days behind on data
  • 🐛 Payment issues and errors
  • 🐛 Slow loading times

Bugs and requests

NZ Post

Reported bugs

16 issues
  • Login page crashes or fails to load
  • Blank pop-up screens during authentication
  • Continuous logout loops
  • Spinning wheel of doom (infinite loading)
  • Tracking numbers not loading or displaying
Show 11 more
  • Email alerts automatically disabling
  • App crashes when redirecting parcels
  • Parcel edits not being retained
  • Filter functionality not working properly
  • Bulk delete deleting all items instead of filtered
  • App not compatible with notch iPhones
  • Cannot add tracking numbers
  • Validation code rejecting valid email domains
  • Wrong email address linked with no way to change
  • Tracking information missing or incomplete
  • App opening blank rectangles instead of content

Requested features

12 requests
  • Push notifications for tracking updates
  • Biometric authentication (Face ID/Touch ID)
  • Dark mode option
  • Ability to copy tracking numbers from app
  • Support for international courier tracking
Show 7 more
  • Email validation for modern TLDs
  • Better account management features
  • ParcelPod management functionality
  • Improved session persistence
  • Native app instead of web wrapper
  • Advanced filtering and sorting options
  • Proof of delivery downloads

Contact Energy

Reported bugs

56 issues
  • Constantly glitching
  • Unable to log in
  • App is days behind on data
  • Payment errors
  • Slow loading times
Show 51 more
  • Usage data not updating
  • Frozen screens after updates
  • Autofill for payments not working
  • Crashes during account-to-account payments
  • Download issues on iPhone
  • Switching between properties is buggy
  • Usage graphs poorly designed
  • Cannot supply meter readings
  • Estimated readings instead of actual
  • App is an embedded website
  • Usage data is always days behind
  • Frozen screens after updates
  • Autofill for payments not working
  • Crashes during account-to-account payments
  • No response via WhatsApp
  • App crashes or doesn't allow login for weeks
  • Cannot access online account
  • Glitchy and crashes frequently
  • Unable to view power bill
  • Painful login process
  • Password manager issues
  • Blank notification screens
  • App icon shows unread notifications but none are present
  • Cannot register due to terms and conditions field issue
  • Download pop-up instead of download on iPhone
  • App redirects to itself when trying to sign in online
  • Daily usage data not current, dollar amount missing
  • Hour by hour usage greyed out unless over a week old
  • New version doesn't display graph properly
  • No way to see amount of power paid for, only total used/free
  • Latest version keeps signing out
  • Meter reading option is greyed out
  • Unable to check daily usage after update
  • Only shows gas usage after update, not electricity
  • Latest version does not function, frozen
  • New app 3.1 doesn't work, frozen front screen, no login
  • New App doesn't work, nothing works, usage section empty
  • Update frozen, nothing works
  • App upgrade - nothing opens or loads
  • Website always directs to the app, creating a loop
  • App POS, crashes when using account to account payment
  • Cannot change password to get in
  • Often flashes back and cannot load to the next step
  • Payment page goes back to beginning after security code
  • Energy usage not updating
  • Most of the time pays delayed due to app crashing or not allowing login
  • Sluggish, takes over 40 seconds to render information
  • Any movement triggers app refresh with delay
  • Cannot access online account
  • App never allows login
  • Login stops working since last update

Requested features

10 requests
  • Toggle to include GST in usage amounts
  • Save card details for payments
  • Support for Apple Pay and PayPal
  • Push notification for bill payment reminders
  • Display solar buy back information
Show 5 more
  • Improved functionality for switching between properties
  • Breakdown of electricity usage by category
  • Allow landscape mode on tablets
  • Alert for power usage exceeding a set KW per day
  • Alert for running cost reaching a certain $ amount

In-app purchases

None

NZ Post

No in-app purchases

None

Contact Energy

No in-app purchases

Questions

Is NZ Post free?
NZ Post is free to download, with no in-app purchases.
Is Contact Energy free?
Contact Energy is free to download, with no in-app purchases.
Do NZ Post or Contact Energy have ads?
Neither NZ Post nor Contact Energy shows ads.
Which is updated more often, NZ Post or Contact Energy?
NZ Post ships an update fortnightly, and Contact Energy every 6 weeks. Most recently, NZ Post was updated on November 6, 2026 and Contact Energy on November 2, 2026.

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