Comparison

ZipcodeXpress vs Carbon Cred

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

Head to head
About

ZipcodeXpress

This app facilitates convenient and secure package delivery and retrieval through a network of smart lockers. Users can place online orders, deposit packages by scanning barcodes, and retrieve them by scanning QR codes. Instant notifications keep users informed about their package status and storage.

Highlights
  • Place online package orders
  • Deposit packages via smart lockers
  • Retrieve packages with QR codes
  • Instant status notifications
  • City logistics solutions
Features
Read full description

ZipcodeXpress provides a fast, safe and affordable solution for our customers' express package collection and city logistics. The mobile APP along with smart locker-Zippora and Ziplocker is making our lives easier with more comfort! ZipcodeXpresss APP is designed exclusively for users to: [Place online orders] When you need to deliver a package, first place an order via the APP, just simply fill in sender and recipient’s zip codes and recipient’s cell phone number or email address. [One step package deposit] When depositing the package, you only need to select a suitable size locker, then use your APP to scan your package’s bar code to open the locker. [One step package retrieve] When your package is delivered, you only need to use your APP to scan the QR code to open the locker and retrieve your package. [Instant notification] When your order status is updated, when your package is delivered, when your package storage time is about to expire, APP will always notify you instantly. Subscribe for more exciting news!

About

Carbon Cred

This app rewards employees with digital credits for eco-friendly commutes like walking or biking. These credits can be redeemed for cash. Businesses can use it to offset emissions and boost employee engagement.

Highlights
  • Earn credits for walking, biking, and public transit
  • Redeem credits for cash
  • Businesses offset emissions
  • Generate ESG data
  • Increase employee engagement
Features
Read full description

Carbon Cred is a free-market solution to climate change for businesses and employees. Employees who use the app can receive Carbon Creds for walking, biking, and using public transit instead of driving to and from work. These Creds can be exchanged for real cash. Businesses using the app can offset their emissions with personal carbon credits generated by their employees, and benefit from new streams of ESG data and increased employee engagement.

Screenshots

ZipcodeXpress4 screens
Carbon Cred4 screens

Verdict

The call

The clearest difference is review sentiment: Carbon Cred at 75% against ZipcodeXpress's 4%. ZipcodeXpress's advantage is rating (4.0 vs 3.0) and ratings volume (29 vs 3). On price, update cadence, ads and in-app purchases 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

ZipcodeXpress holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: ZipcodeXpress has 29 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 4% of ZipcodeXpress's written reviews are positive against 75% of Carbon Cred's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

ZipcodeXpress ships an update monthly, Carbon Cred every 3 weeks. The most recent releases landed on October 15, 2026 and September 14, 2026 respectively.

Scorecard5 real differences · 5 level
ZipcodeXpress versus Carbon Cred: the parameters behind the verdict, then further details
ParameterZipcodeXpressCarbon Cred
PriceFreeFree
Rating4.0 (29 ratings) — better3.0 (3 ratings)
Positive reviews4.3% of reviews75.0% of reviews — better
Number of ratings29 — better3
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better18.4
Further details — not scored
Size42 MB42 MB
Age rating4+4+
DeveloperZipcodeXpress Inc.Carbon Chit Inc.

Customer experience

ZipcodeXpress

All ratings322 ratings
Positive78.3%
Neutral0.6%
Negative21.1%
Written reviews23 reviews
Positive4.3%
Neutral8.7%
Negative87.0%

Carbon Cred

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Bugs and requests

ZipcodeXpress

Reported bugs

18 issues
  • Email code instead of app code
  • Cannot reach company when lockers act up
  • Login screen lacks labels
  • Font doesn't change with system settings
  • White text on white background
Show 13 more
  • Information fields overlapping
  • Cannot see typed text unless selected
  • Account exists but cannot log in
  • App says no packages when there are
  • Locker refuses to recognize codes
  • QR code scanner forcefully shuts down app
  • App defaults to wrong state
  • Email verified message unclear
  • Cannot sign up for account
  • App takes too long to update
  • App doesn't work
  • All fields remain blank and white
  • Website leads to full page ad

Requested features

8 requests
  • Fix email code requirement
  • Update login screen with labels
  • Organize unit numbers logically
  • Improve UI design
  • Ensure consistent alerts
Show 3 more
  • Add customer support within app
  • Allow partner email registration
  • Fix state selection issue

Carbon Cred

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ZipcodeXpress

No in-app purchases

None

Carbon Cred

No in-app purchases

Questions

Is ZipcodeXpress free?
ZipcodeXpress is free to download, with no in-app purchases.
Is Carbon Cred free?
Carbon Cred is free to download, with no in-app purchases.
Which has better reviews, ZipcodeXpress or Carbon Cred?
ZipcodeXpress is rated higher. ZipcodeXpress averages 4.0 out of 5 from 29 ratings, while Carbon Cred averages 3.0 from 3 ratings.
Do ZipcodeXpress or Carbon Cred have ads?
Neither ZipcodeXpress nor Carbon Cred shows ads.
Which is updated more often, ZipcodeXpress or Carbon Cred?
ZipcodeXpress ships an update monthly, and Carbon Cred every 3 weeks. Most recently, ZipcodeXpress was updated on October 15, 2026 and Carbon Cred on September 14, 2026.

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