Comparison

Guidebook vs IAMI Marine

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

Head to head
About

Guidebook

This application serves as a comprehensive guide for events, conferences, and campuses. Users can build personalized schedules, access detailed information about speakers and sponsors, and navigate venues with interactive maps. It also facilitates attendee engagement through messaging and a social feed.

Highlights
  • Personalized schedule and to-do lists
  • Speaker and sponsor information
  • Venue and local area maps
  • In-app search functionality
  • Attendee messaging and engagement
  • Interactive social feed
Features
Read full description

Guidebook is your guide to events, conferences, campuses, and more. Download the app to: [+] Build your personal schedule and to-do lists. [+] Easily access speaker, sponsor, exhibitor information, and more. [+] View maps of the venue and local area. [+] Simply search for information within the app. [+] Connect and engage with other attendees through private messages. [+] Share photos, likes, and comments on the interactive social feed.

About

IAMI Marine

Features
Read full description

The IAMI app gives you a new way to engage, network and receive important information about your events, memberships and more. Get the most out of your events and maximize your membership benefits with an all-in-one engagement app. Key Community Engagement Features: * Direct messaging * Group chats & event rooms * Digital business cards * Personal CRM for all connections you make * Contact profile Key Event Features: * Fast event registration and payment processing * Easy check-in with QR codes * Quick access to all event information including agendas, venues, speaker bios, session presentations, and ticketing * Preview and register for upcoming events that match your interests * Social media integration for easy sharing Key Membership Features: * Direct access to organization newsletters, announcements, and upcoming events * Mobile membership directories so you can expand your network * Member profile and membership renewal management * Virtual membership cards to leverage all your membership benefits

Screenshots

Guidebook4 screens
IAMI Marine3 screens

Verdict

The call

Guidebook and IAMI Marine are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Guidebook ships an update every 2 weeks, IAMI Marine fortnightly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

ScorecardNo meaningful differences
Guidebook versus IAMI Marine: the parameters behind the verdict, then further details
ParameterGuidebookIAMI Marine
PriceFreeFree
Rating4.7 (3.7K ratings) — better—
Positive reviews52.1% of reviews—
Number of ratings3.7K — better—
Update frequencyEvery 2 weeks — betterFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.616.0 — better
Further details — not scored
Size57 MB154 MB
Age rating17+17+
DeveloperGuidebook IncEventBank

Bugs and requests

Guidebook

Reported bugs

4 issues
  • Crashes when trying to view event details
  • Inability to add custom events to schedule
  • Incorrect location pinpointing on maps
  • Notification issues and unwanted alerts

Requested features

5 requests
  • Dark mode option
  • Ability to sync schedule across devices
  • More customization options for user profile
  • Better event filtering and search capabilities
  • Integration with calendar apps

IAMI Marine

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Guidebook

No in-app purchases

None

IAMI Marine

No in-app purchases

Questions

Is Guidebook free?
Guidebook is free to download, with no in-app purchases.
Is IAMI Marine free?
IAMI Marine is free to download, with no in-app purchases.
Do Guidebook or IAMI Marine have ads?
Neither Guidebook nor IAMI Marine shows ads.
Which is updated more often, Guidebook or IAMI Marine?
Guidebook ships an update every 2 weeks, and IAMI Marine fortnightly. Most recently, Guidebook was updated on November 6, 2026 and IAMI Marine on October 31, 2026.

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