Comparison

JustServe vs Gabb Messenger

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

Head to head
About

JustServe

Discover and sign up for local volunteer opportunities directly from your phone. This app integrates with your device's location, calendar, and maps to streamline community service.

Highlights
  • Find volunteer opportunities
  • Search by location
  • Sign up for opportunities
  • Add to calendar
  • Integrates with maps
Features
Read full description

JustServe app gives you the main features of JustServe.org to help you find volunteer opportunities while on the go. It can link into your phone’s location services, calendar, and map apps to make volunteering in the community easier than ever. • Search for opportunities based on your account location, your current location, or by an inputted location • Volunteer for opportunities • Easily add opportunities and locations to your mobile device’s calendar and maps apps

About

Gabb Messenger

This app enables safe video calls between friends and family and Gabb kids, with smart filtration to monitor for potential harm. Parents can access robust controls to manage their child's messaging, including flagged content, contact lists, and deletion settings, ensuring peace of mind.

Highlights
  • Safe video calling with smart filtration
  • Parental controls for messaging
  • Flagged content monitoring
  • Contact management
  • Message deletion settings
  • Manage multiple devices
Features
Read full description

Gabb Messenger™ Friends and family can safely video call with Gabb kids directly through the app. Safe Video Calling uses smart filtration to monitor video calls for potential harm, keeping kids safe & parents at peace. Gabb Messenger Parental Controls Gabb Parents can also use Gabb Messenger to access important parental controls to monitor & manage their child's messaging experience. As a Gabb Parent, you'll have access to the following controls: -Flagged Content: view all flagged images, video calls, texts, and links -Safe Video Calling: ability to disable/enable at any time -Deleting Settings: manage whether your child can delete messages on their device -Contact Management: manage an Approved Contact List and restrict who your child can message & video call Gabb Messenger Parental Controls are easy to use and perfect for managing multiple devices. Enjoy peace of mind knowing your child is protected while they stay connected to friends and family. Download Gabb Messenger and get started. You can learn more about Gabb Messenger at gabb.com/gabb-messenger/ More about Gabb Gabb provides safe tech made specifically to protect kids, connect families, and empower parents. Gabb devices—Gabb Watch 2, Gabb Watch 3, Gabb Phone, Gabb Phone Plus, Gabb Phone 3 Pro—were all created with kids’ safety as the top priority and provide safe “tech in steps” options for kids 5-18. All Gabb devices come with unlimited talk and text but no social media, internet, or unsafe apps. Parents can stay safely connected with their kids through GPS tracking, safe messaging, geofenced safe zones with alerts when a child’s device enters or leaves specified locations, and more. Gabb’s growing list of safe apps, like Gabb Music and Gabb Messenger, give kids more ways to learn the benefits of technology without all the dangers. Learn more at gabb.com

Screenshots

JustServe4 screens
Gabb Messenger4 screens

Verdict

The call

The clearest difference is review sentiment: JustServe at 73% against Gabb Messenger's 19%. JustServe also leads on rating (4.6 vs 3.7). Gabb Messenger's advantage is monetization model (free vs ad-supported) and ratings volume (929 vs 237). 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

JustServe holds the better App Store score, 4.6 against 3.7. Both are backed by a comparable volume of ratings — 237 and 929 respectively. Written reviews point the same way: 73% of JustServe's written reviews are positive against 19% of Gabb Messenger's.

UpkeepUpdate frequency

JustServe ships an update every 2 months, Gabb Messenger every 5 weeks. The most recent releases landed on November 4, 2026 and November 7, 2026 respectively.

Scorecard5 real differences · 5 level
JustServe versus Gabb Messenger: the parameters behind the verdict, then further details
ParameterJustServeGabb Messenger
PriceFreeFree
Rating4.6 (237 ratings) — better3.7 (929 ratings)
Positive reviews73.0% of reviews — better18.9% of reviews
Number of ratings237929 — better
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size41 MB75 MB
Age rating4+4+
DeveloperThe Church of Jesus Christ of Latter-day SaintsGabb Wireless, Inc.

Customer experience

JustServe

All ratings237 ratings
Positive87.8%
Neutral3.8%
Negative8.4%
Written reviews63 reviews
Positive73.0%
Neutral9.5%
Negative17.5%

Gabb Messenger

All ratings720 ratings
Positive68.3%
Neutral4.9%
Negative26.8%
Written reviews190 reviews
Positive18.9%
Neutral3.7%
Negative77.4%

User reviews

JustServe

From 237 App Store ratings

What we love

  • 👍 Easy to use
  • 👍 Great for finding volunteer opportunities
  • 👍 Connects community needs with volunteers
  • 👍 Free to use for individuals and organizations
  • 👍 Convenient way to give back

Room to improve

  • 🐛 App rarely shows relevant projects
  • 🐛 Projects shown are not local
  • 🐛 Project descriptions don't match website
  • 🐛 Missing some states in profile
  • 🐛 Has extra states in profile

Gabb Messenger

From 929 App Store ratings

What we love

  • 🚀 Helps catch inappropriate messages
  • 🔒 Allows parent control of contacts
  • 👍 Provides peace of mind for parents

Room to improve

  • 🐛 App crashes frequently
  • 🐛 Unreliable syncing and notifications
  • 🐛 Inability to view flagged messages
  • 🔒 Overly restrictive features

Bugs and requests

JustServe

Reported bugs

15 issues
  • No authentication/login issues
  • Cannot save events due to login problems
  • App crashes during registration
  • Registration is broken
  • Problem registering, try again later
Show 10 more
  • No response for setting up events
  • Login via Facebook broken
  • Unable to login with Facebook
  • Facebook login failed
  • App Support link leads to 'Page not found'
  • Only allows preview, no sign up
  • App only works in portrait view on iPad
  • Does not rotate to landscape view on iPad
  • No allowance for sign up on app
  • Cannot type letters for postal code in Canada

Requested features

12 requests
  • Add a share button
  • Include a map with service opportunities
  • Add a 'Serve Today' button
  • Ability to mark/star opportunities as 'favorite'
  • Ability to save or favorite volunteer activities
Show 7 more
  • Search/filter for volunteer opportunities vs. donations only
  • Make the app more like the website
  • View results on a calendar
  • View results on a map
  • Push notifications
  • Fix sharing feature for projects
  • Add landscape view on iPad

Gabb Messenger

Reported bugs

3 issues
  • App crashing on launch
  • Syncing issues between phone and app
  • Unreliable notifications of flagged messages

Requested features

4 requests
  • Improved app stability and reliability
  • Better visibility into flagged messages
  • More flexible parental control options
  • Ability to monitor calls and location

In-app purchases

None

JustServe

No in-app purchases

None

Gabb Messenger

No in-app purchases

Questions

Is JustServe free?
JustServe is free to download, with no in-app purchases.
Is Gabb Messenger free?
Gabb Messenger is free to download, with no in-app purchases.
Which has better reviews, JustServe or Gabb Messenger?
JustServe is rated higher. JustServe averages 4.6 out of 5 from 237 ratings, while Gabb Messenger averages 3.7 from 929 ratings.
Do JustServe or Gabb Messenger have ads?
Neither JustServe nor Gabb Messenger shows ads.
Which is updated more often, JustServe or Gabb Messenger?
JustServe ships an update every 2 months, and Gabb Messenger every 5 weeks. Most recently, JustServe was updated on November 4, 2026 and Gabb Messenger on November 7, 2026.

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