Carbon Voice vs SupplySide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Carbon Voice
This app allows teams to communicate asynchronously through voice messages. It automatically transcribes, summarizes, and makes conversations searchable. Users can extract action items and integrate with over 8,000 tools.
- Asynchronous voice messaging
- Automatic transcription
- AI-powered summaries
- Action item extraction
- Integration with 8,000+ tools
- Cross-language auto-translation
- Searchable conversation history
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Carbon Voice is built for teams who work on the move. Execs, real-estate agents, home builders, field sales teams—anyone doing real work in planes, trains, cars, and everywhere in between. Talk without calling. Skip the phone tag, scheduling, and missed connections. Just tap, talk, and keep working. Conversations happen asynchronously—fast, natural, and effortless. Voice messaging, finally done right. Every message is automatically transcribed, searchable, and AI-summarized so nothing gets lost. “Carbon Voice is a voice productivity powerhouse.” — Ari Meisel Turn conversations into action. Use AI to ask questions about any discussion, generate summaries, track action items, and push follow-ups into 8,000+ tools via Zapier. Your conversations become insight, action, and knowledge. ----- Key Features TAP TO TALK Share instantly and replace calls with asynchronous voice collaboration. Communicate across languages with auto-translation. READ & SEARCH Every message is transcribed. Search, label, organize, and follow up with ease. AI ORGANIZES FOR YOU AI summaries, action items, document generation, and the ability to ask AI anything about your conversations. ----- Voice Memos Capture your own ideas quickly. Keep them organized—or share them with teammates via link, email, or text. ----- Built for Business. Designed for People. Workspaces, SSO, retention policies, access controls, and enterprise-grade security keep your organization aligned and compliant—whether you’re a small team or a global company. ----- Quick Access to Your Voice Ideas - Home widgets for one-tap recording and conversation access - iMessage Extension for instant link sharing - Share Extension for saving audio and files into Carbon Voice - Access your voice memos on the web - Slack integration for notifications and quick access - Google Workspace integration for using Carbon Voice inside Gmail, Docs, and more Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://getcarbon.app/privacy Extended Terms of Service: https://getcarbon.app/tos
SupplySide
This app connects professionals in the supplement, food, and beverage industries. It facilitates networking, discovery of innovations, and collaboration to drive business forward. The digital companion streamlines event experiences with navigation, scheduling, and matchmaking features.
- Exhibitor list and floor plan
- Interactive event schedule
- Personalized agenda creation
- Matchmaking for business connections
- Discover ingredient and product innovations
- Streamlined event navigation
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SupplySide events bring together the global community of supplement, food and beverage industry professionals. From suppliers and manufacturers to CPG brands and service providers, these events are designed to drive business forward, build meaningful connections and spark innovation across the entire supply chain. At every SupplySide event, attendees and exhibitors experience unmatched networking, discover cutting-edge ingredient and product innovations, and collaborate with partners to move ideas from concept to market. Whether focused on global trends or regional growth, SupplySide events are where business gets done and the future of the industry takes shape. This digital companion is designed to streamline your event experience and serve as your go-to resource for everything onsite. By downloading the mobile app, you can: Navigate effortlessly: Access the exhibitor list and interactive floor plan to move efficiently throughout the venue. Stay organized: Explore the full schedule and add sessions to your personalized agenda so you don’t miss out on key events. Connect strategically: Use matchmaking features to connect with potential partners and foster valuable business relationships and collaborations.
Screenshots
Verdict
The clearest difference is review sentiment: Carbon Voice at 100% against SupplySide's 0%. Carbon Voice also leads on rating (5.0 vs 3.9) and device support (3 vs 1). SupplySide's advantage is in-app purchases (none vs 12). On price, ratings volume, update cadence and ads 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
Both are free to download. Carbon Voice sells 12 in-app purchases, starting at $6.99 per month. SupplySide asks for nothing beyond the download.
Carbon Voice holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 15 and 12 respectively. Written reviews point the same way: 100% of Carbon Voice's written reviews are positive against 0% of SupplySide's.
Carbon Voice ships an update every 5 days, SupplySide every 6 days. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.
| Parameter | Carbon Voice | SupplySide |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (15 ratings) — better | 3.9 (12 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 15 — better | 12 |
| Update frequency | Every 5 days — better | Every 6 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPod, Apple Watch — better | iPhone |
| Requires iOS | 15.0 — better | 17.4 |
| Further details — not scored | ||
| Size | 206 MB | 143 MB |
| Age rating | 4+ | 17+ |
| Developer | Phonon X Inc | Informa Support Services Inc |
Customer experience
Carbon Voice
SupplySide
In-app purchases
Carbon Voice
- Starter + Global Voice7 Days trial$6.991 Month
- Lite7 Days trial$10.991 Month
- Lite + Global Voice7 Days trial$16.991 Month
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- Standard7 Days trial$17.991 Month
- Standard + Global Voice7 Days trial$23.991 Month
- Pro7 Days trial$26.991 Month
- Starter + Global Voice14 Days trial$69.991 Year
- Lite14 Days trial$84.991 Year
- Lite + Global Voice14 Days trial$149.991 Year
- Standard14 Days trial$155.991 Year
- Standard + Global Voice14 Days trial$219.991 Year
- Pro14 Days trial$259.991 Year
SupplySide
No in-app purchases
Questions
Is Carbon Voice free?
Is SupplySide free?
Which has better reviews, Carbon Voice or SupplySide?
Do Carbon Voice or SupplySide have ads?
Which is updated more often, Carbon Voice or SupplySide?
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