Comparison

Reef2Reef vs Forum, a Facebook app

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

Head to head
About

Reef2Reef

Connect with a global community of saltwater and reef aquarium enthusiasts. Share tank progress, ask questions, and exchange expert advice. Discover resources for all levels of reefkeeping, including a marketplace and product reviews.

Highlights
  • Share tank photos
  • Ask detailed questions
  • Swap expert advice
  • In-depth build threads
  • Marketplace for corals, fish, and gear
  • Product reviews
  • Giveaways
Features
Read full description

Reef2Reef is the largest online community for saltwater and reef aquarium hobbyists, connecting thousands of reef keepers worldwide. Share tank photos, ask detailed questions, and swap expert advice on everything from nano tanks to advanced SPS systems. With in-depth build threads, a trusted marketplace for corals, fish, and gear, detailed product reviews, and regular giveaways, Reef2Reef offers valuable resources for beginners and seasoned reefers alike. We developed this app to give you all the perks of using a mobile platform—fast access to your favorite forums, real-time alerts, private messaging, and easy photo sharing—all tailored for reef aquarium lovers. Join today to learn, trade, and grow within the most supportive reefkeeping community online.

About

Forum, a Facebook app

This app offers a dedicated space for engaging in deeper discussions within your Facebook groups. It focuses on shared interests and real conversations, allowing you to ask questions and get answers from people with relevant experience. Group admins also receive AI assistance for moderation.

Highlights
  • Dedicated group discussion space
  • Sign in with Facebook account
  • Post with a nickname option
  • Group feed based on conversations
  • Ask and get answers from real people
  • AI assistant for group admins
  • Connect around shared interests
Read full description

Facebook is great for keeping up with friends, watching videos, and staying connected. Forum is where you go deeper in groups. It's a space designed for real discussions, shared interests, and the people who’ve been there. Dedicated space for your groups Sign in with your Facebook account and your groups, profile and activity carry over. You have the option to post with a nickname. Your groups still exist on Facebook and anything you share on Forum will be visible in your groups on Facebook. This is just a space built around them. Stay in the loop on conversations you care about Your feed is built around conversations from groups. See what real people are saying, not just what’s trending, and easily jump back in where you left off. Ask and get answers from real people Looking for opinions, advice or recommendations? Ask pulls together responses from across groups, so you can get answers right away from people who've been there and join the conversation. Built for the people who run groups Admins still have access to all their tools on Facebook, and now they also have an admin AI assistant on Forum to help manage their groups, moderate content, and keep their communities healthy — all while maintaining control. Dive into topics that interest you Forum brings people together around the things they care about, from niche hobbies to local recommendations to support groups. Share your take, join the conversation and connect with your communities. Some features may not be available in your country or region.

Screenshots

Reef2Reef4 screens
Forum, a Facebook app4 screens

Verdict

The call

Reef2Reef and Forum, a Facebook app both sit at 4.7 stars, but that hides the real split: 94% of Reef2Reef's written reviews are positive against 54% of Forum, a Facebook app's. Reef2Reef also leads on ads (none vs shown) and monetization model (free vs ad-supported). Forum, a Facebook app's advantage is ratings volume (10K vs 43) and chart position (#14 vs unranked). On price, rating, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Reef2Reef against 4.7 for Forum, a Facebook app. That said, the two scores are not equally well evidenced: Forum, a Facebook app has 10K ratings behind it against 43, so its average is the more settled of the two. Written reviews are what separate them: 94% of Reef2Reef's written reviews are positive against 54% of Forum, a Facebook app's.

UpkeepUpdate frequency

Reef2Reef ships an update fortnightly, Forum, a Facebook app weekly. The most recent releases landed on October 22, 2026 and October 31, 2026 respectively.

Scorecard7 real differences · 4 level
Reef2Reef versus Forum, a Facebook app: the parameters behind the verdict, then further details
ParameterReef2ReefForum, a Facebook app
PriceFreeFree
Rating4.7 (43 ratings)4.7 (10K ratings) — better
Positive reviews93.5% of reviews — better53.8% of reviews
Number of ratings4310K — better
Update frequencyFortnightlyWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
Best chart rank—#14 — better
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better18.0
Further details — not scored
Size34 MB115 MB
Age rating4+12+
DeveloperForumly LLCMeta Platforms, Inc.

Customer experience

Reef2Reef

All ratings41 ratings
Positive95.1%
Neutral0.0%
Negative4.9%
Written reviews31 reviews
Positive93.5%
Neutral0.0%
Negative6.5%

Forum, a Facebook app

All ratings9,727 ratings
Positive93.3%
Neutral3.0%
Negative3.7%
Written reviews186 reviews
Positive53.8%
Neutral7.5%
Negative38.7%

Bugs and requests

Reef2Reef

Reported bugs

1 issue
  • Occasional crashes or freezes

Requested features

2 requests
  • Dark mode option
  • Improved navigation and browsing experience

Forum, a Facebook app

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Reef2Reef

No in-app purchases

None

Forum, a Facebook app

No in-app purchases

Questions

Is Reef2Reef free?
Reef2Reef is free to download, with no in-app purchases.
Is Forum, a Facebook app free?
Forum, a Facebook app is free to download, with no in-app purchases.
Which has better reviews, Reef2Reef or Forum, a Facebook app?
Forum, a Facebook app is rated higher. Reef2Reef averages 4.7 out of 5 from 43 ratings, while Forum, a Facebook app averages 4.7 from 10K ratings.
Do Reef2Reef or Forum, a Facebook app have ads?
Forum, a Facebook app shows ads; Reef2Reef does not.
Which is updated more often, Reef2Reef or Forum, a Facebook app?
Reef2Reef ships an update fortnightly, and Forum, a Facebook app weekly. Most recently, Reef2Reef was updated on October 22, 2026 and Forum, a Facebook app on October 31, 2026.

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