Comparison

Reviver vs GemBook

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

Head to head
About

Reviver

This app allows owners to personalize their digital license plates by changing backgrounds and displaying custom banner messages. It also simplifies vehicle registration renewal, provides trip telematics for locating your vehicle, and aids in stolen vehicle recovery.

Highlights
  • Personalize digital license plate backgrounds
  • Display custom banner messages
  • Simplify vehicle registration renewal
  • Locate your vehicle with trip telematics
  • Receive alerts for unexpected vehicle movement
  • Aid in stolen vehicle recovery
  • Track trips and mileage
Features
Read full description

Our team at Reviver has reimagined what a license plate can do with RPLATE®, the world's first digital license plate. The Reviver App is the companion mobile application for your RPLATE. Owners can change backgrounds and display banner messages to personalize their RPLATE in ways a metal plate never could. Modern Licensing for Modern Living. RPLATE's are currently available for purchase and DMV registration in AZ and CA. For drivers in these states, they are legal to drive anywhere throughout the U.S. Features and Benefits: • Manage Visual Personalization of your RPlate, switch between light or dark mode, and personalize your banner message. • Enjoy simplified Vehicle Registration Renewal and complete it with a few clicks on your smartphone, any time of the day or night. • With Trip Telematics, never again waste time searching your car or wondering where it is. Instead, use the Reviver app to get directions to your car. Valet and Park mode also provide you with instant alerts if your vehicle moves unexpectedly. • Get help recovering a stolen vehicle. Should a vehicle be stolen, once reported to Reviver, the plate will read “Stolen,” and the car’s location will be tracked for recovery by police. • Use Trip & Mileage Tracking to make your month-end expenses a breeze.

About

GemBook

Organize and easily access trusted recommendations from friends and family. Save details like who recommended a service or experience, and share them again when needed. Your personal book of trusted referrals, always at your fingertips.

Highlights
  • Save trusted referrals
  • Organize by category
  • Track who recommended
  • Easily share recommendations
  • Personalized referral book
Features
Read full description

The best recommendations come from people you trust — but too often they disappear into text threads, screenshots, and group chats. GemBook is your personal book of trusted referrals. Save the dermatologist, the sports coach, the contractor, the hair stylist — recommendations from the people you trust, organized in one place and easy to share again when someone asks. YOUR GROUPS, MADE SIMPLE Create groups for the circles you already have — family, book club, your kids' sports parents — and put them to work: • Request a Gem — ask your groups for a recommendation and get trusted answers back • Group feeds — everything your circles are sharing, all in one place • React, vouch & comment — show what you've tried and loved • Save what you want — keep the gems you'll actually use • Control who can share — open it to everyone in the group, or keep it owner-only for a more curated collection SAVE RECOMMENDATIONS IN SECONDS When someone shares a great suggestion, add it to your GemBook and capture the details that matter — including who recommended it. KEEP EVERYTHING BEAUTIFULLY ORGANIZED Browse your referrals by category and revisit or share them whenever you need them. ALWAYS REMEMBER WHO RECOMMENDED IT Every entry is tied to the person who shared it — because the best recommendations come from people you trust. NO NOISE, BY DESIGN No ads. No algorithm. Nothing public or searchable. Just the recommendations you trust, from the groups and people you choose. Simple. Personal. Trusted. GemBook is free to download. Save up to 10 gems for free — then upgrade to GemBook Membership for unlimited gems at $4.99/month. Payment will be charged to your Apple Account at confirmation of purchase. Your subscription renews automatically unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription anytime in your Apple Account settings. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://gembook.app/privacy GemBook Your trusted referrals, saved here.

Screenshots

Reviver4 screens
GemBook4 screens

Verdict

The call

The clearest difference is review sentiment: GemBook at 100% against Reviver's 24%. GemBook also leads on rating (5.0 vs 2.6). Reviver's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, update cadence 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. GemBook sells 2 in-app purchases, starting at $4.99 per month. Reviver asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

GemBook holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: Reviver has 224 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 24% of Reviver's written reviews are positive against 100% of GemBook's.

UpkeepUpdate frequency

Reviver ships an update fortnightly, GemBook every 3 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard7 real differences · 3 level
Reviver versus GemBook: the parameters behind the verdict, then further details
ParameterReviverGemBook
PriceFreeFree
Rating2.6 (224 ratings)5.0 (5 ratings) — better
Positive reviews24.3% of reviews100.0% of reviews — better
Number of ratings224 — better5
Update frequencyFortnightly — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size94 MB35 MB
Age rating4+4+
DeveloperReviverMx, Inc.Red Kangaroo Media LLC

Customer experience

Reviver

All ratings221 ratings
Positive36.2%
Neutral5.0%
Negative58.8%
Written reviews115 reviews
Positive24.3%
Neutral6.1%
Negative69.6%

GemBook

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Reviver

Reported bugs

3 issues
  • Plate detachment issues
  • Registration updates not syncing properly
  • App login/account management problems

Requested features

3 requests
  • More customization options for plate design and messages
  • Improved app stability and performance
  • Better integration with DMV and vehicle registration

GemBook

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Reviver

No in-app purchases

2 purchases

GemBook

Subscriptions2
  • GemBook Membership (Monthly)$4.991 Month
  • Premium Annual Access14 Days trial$59.991 Year

Questions

Is Reviver free?
Reviver is free to download, with no in-app purchases.
Is GemBook free?
GemBook is free to download, with in-app purchases available.
Which has better reviews, Reviver or GemBook?
GemBook is rated higher. Reviver averages 2.6 out of 5 from 224 ratings, while GemBook averages 5.0 from 5 ratings.
Do Reviver or GemBook have ads?
GemBook shows ads; Reviver does not.
Which is updated more often, Reviver or GemBook?
Reviver ships an update fortnightly, and GemBook every 3 weeks. Most recently, Reviver was updated on November 6, 2026 and GemBook on November 5, 2026.

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