Comparison

Messenger Gem Space vs Collective Memory

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

Head to head
About

Messenger Gem Space

Connect with friends, family, and like-minded individuals through secure chats and calls. Discover content, join communities, and create your own channels. Ideal for personal, professional, and business communication.

Highlights
  • Encrypted chats and secure calls
  • Smart news feed with personalized content
  • Public and private communities by interest
  • Free video and audio calls for up to 1000 people
  • Channel creation for bloggers and content creators
  • Business tools for team collaboration and management
  • API integration for corporate services
Features
Read full description

Gem Space is everything you need to connect, work, and create. A messenger with free audio and video calls, a smart feed, channels, Spaces communities, and mini apps. Chat with friends, follow the news, grow your blog or business, and meet people who share your interests, all in one app. Your privacy matters. Messages, audio and video calls, and Spaces are securely protected, while you stay in control of your privacy settings. FOR YOU AND YOUR FRIENDS Follow creators, learn something new, share ideas, and connect through chats and communities. Smart feed Choose your interests and follow channels and chats. AI helps surface fresh videos and posts based on what you like. Find inspiration Browse the channel catalog and use smart search to discover new topics and communities. Easy chats, public or private Send messages, stickers, voice notes, and video messages, or start an audio or video call. Free audio and video calls Host group calls and conferences with up to 200 participants from any device. Even guests without a Gem Space account can join. Spaces for communities Create your own Space in just a few clicks. Pick a category template and get a ready-made structure with channels and chats. Feed: public and private channels organized by topics and interests. Chats: spaces for conversations with subscribers and community members. Store: add links to your website, blog, or business in one place. Communities by interest Meet people who share your interests and build your own community. Mini apps Play, explore services, and get things done without leaving Gem Space. New mini apps are marked NEW. FOR BLOGGERS AND CONTENT CREATORS Create and share videos, articles, and live streams. Templates help you launch a Space in minutes. Channels Share updates, publish articles, and upload videos. Recommendation algorithms help your content reach the right audience. Channel catalog Publish content, talk to your audience directly in the messenger, and grow through recommendations. Communities Run your community like your own media space: bring people together in chats and channels; share updates through the smart feed; choose open or invite-only access; organize important information; keep your contacts and external links in one place. FOR BUSINESS One app instead of several tools: messaging, video calls, and a Space with a feed, chats, and links. Stay connected with your team and your audience. Chats and recorded conferences Send messages, make calls, and host conferences with up to 200 participants. Call people without an account Make free audio and video calls over the internet, even with people who have not signed up yet. Privacy and moderation Control access through invitations, manage members, and moderate your Space. Secure communication Keep your data private and your conversations protected. API integration Automate workflows and connect Gem Space with other services through the API. Everyday work tools Edit messages, share documents, and keep team communication in one place. Reach a new audience Grow through chats, calls, and content discovery inside Gem Space. Calling people without an account gives your business even more ways to connect. Terms of Use: https://gemspace.com/terms-of-use

About

Collective Memory

This app encourages sharing authentic, real-time photos without filters or uploads from galleries. It connects users based on shared moments and uses AI to provide insights into captured content. The platform fosters active participation and a community that values spontaneity.

Highlights
  • Real-time photo capture only
  • Automatic time and location tagging
  • Connect with users based on shared moments
  • AI-powered photo analysis for insights
  • Active community participation required
  • Open API for developer integration
Features
Read full description

Welcome to Collective Memory: Real-Time, Real-Life Sharing Collective Memory (CM) is a first app in a new breed - Reality Mappers. CM is all about authenticity and the spontaneous moments of life. It's a place where only real-time photos are allowed, encouraging you to share life as you see it— unstaged, unfiltered, and undisguised. Authentic Capture With CM, you can only take pictures through the app—no uploads from your gallery. This ensures every photo is genuine, anchored in the now with automatic time and location tags. It's about capturing life in its purest form, whether it’s a quiet morning, an unexpected smile, or a street scene that caught your eye. Connect Through Real Moments Every photo you take opens a door to new connections. Our platform uses these images to link you with people who have shared similar moments. This connection is based on the reality of everyday life, not curated or altered images, allowing for a more authentic, human connection. Participate to Explore At CM, you explore new content by contributing your own. There’s no passive browsing; you engage by being an active part of the community. Want to see more of what delights you? Simply share those moments, and similar ones will find their way to you. Insights and Understanding Our app doesn’t just catalog your pictures; it helps you understand them. Using AI, CM analyzes the elements of your photos, offering a glimpse into the themes and emotions they convey. This isn’t about magic; it’s about insight—understanding your own life and experiences through the lens of the collective. Open for Innovation CM’s openness extends to its API, allowing developers to integrate our real-life content into their applications. This policy supports a broader ecosystem where CM’s genuine, real-time photos can enhance other services and experiences. A Community of the Real CM is for everyone who values the real over the perfect. It's a platform where every picture contributes to a collective narrative of human experience, captured without filters. Here, you can feel safe sharing the real moments of your life, connecting with others who value the essence of now. Easy to Start, Rich in Connections Here’s how you can join CM: - Download the app and set up your profile. - Start capturing moments directly through the app. - Receive insights on your photos and connect with similar content from others. - Engage with a community that values reality and spontaneity. Give the alternative a try, download CM today.

Screenshots

Messenger Gem Space4 screens
Collective Memory4 screens

Verdict

The call

The clearest difference is in-app purchases: Collective Memory at none against Messenger Gem Space's 3. Messenger Gem Space's advantage is ratings volume (150 vs 22). On price, rating, review sentiment and update cadence 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. Messenger Gem Space sells 3 in-app purchases, starting at $2.99 per month. Collective Memory asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.9 for Messenger Gem Space against 3.9 for Collective Memory. That said, the two scores are not equally well evidenced: Messenger Gem Space has 150 ratings behind it against 22, so its average is the more settled of the two. Written reviews are what separate them: 71% of Messenger Gem Space's written reviews are positive against 65% of Collective Memory's.

UpkeepUpdate frequency

Messenger Gem Space ships an update every 10 days, Collective Memory every 11 days. Both last shipped on October 16, 2026.

Scorecard2 real differences · 8 level
Messenger Gem Space versus Collective Memory: the parameters behind the verdict, then further details
ParameterMessenger Gem SpaceCollective Memory
PriceFreeFree
Rating3.9 (150 ratings)3.9 (22 ratings)
Positive reviews70.7% of reviews — better65.2% of reviews
Number of ratings150 — better22
Update frequencyEvery 10 days — betterEvery 11 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1615.1 — better
Further details — not scored
Size718 MB132 MB
Age rating12+17+
DeveloperMarketspace Solutions OUPlay Build

Customer experience

Messenger Gem Space

All ratings150 ratings
Positive72.0%
Neutral3.3%
Negative24.7%
Written reviews225 reviews
Positive70.7%
Neutral5.3%
Negative24.0%

Collective Memory

All ratings22 ratings
Positive68.2%
Neutral4.5%
Negative27.3%
Written reviews66 reviews
Positive65.2%
Neutral1.5%
Negative33.3%

In-app purchases

3 purchases

Messenger Gem Space

Subscriptions3
  • Gem Space Premium (1 Month)7 Days trial$2.991 Month
  • Gem Space Premium (6 Months)7 Days trial$14.996 Months
  • Gem Space Premium (1 Year)7 Days trial$24.991 Year
None

Collective Memory

No in-app purchases

Questions

Is Messenger Gem Space free?
Messenger Gem Space is free to download, with in-app purchases available.
Is Collective Memory free?
Collective Memory is free to download, with no in-app purchases.
Which has better reviews, Messenger Gem Space or Collective Memory?
Messenger Gem Space and Collective Memory are both rated 3.9 out of 5 on the App Store, from 150 and 22 ratings respectively.
Do Messenger Gem Space or Collective Memory have ads?
Neither Messenger Gem Space nor Collective Memory shows ads.
Which is updated more often, Messenger Gem Space or Collective Memory?
Messenger Gem Space ships an update every 10 days, and Collective Memory every 11 days. Most recently, Messenger Gem Space was updated on October 16, 2026 and Collective Memory on October 16, 2026.

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