Smooth vs 6Call
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smooth
This app helps you craft the perfect text message reply by analyzing conversation screenshots. Choose a tone and objective, and receive three instant, ready-to-send responses. It works across various messaging and dating platforms.
- AI-generated text replies
- Screenshot analysis
- Multiple tones (Casual, Flirty, Sharp)
- Works with any chat app
- Privacy-focused, no data storage
- Share extension for seamless use
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Overthinking your reply? Smooth reads any conversation screenshot and gives you 3 perfect responses in seconds. HOW IT WORKS 1. Share or upload a screenshot from any chat 2. Pick your tone and what you want to achieve 3. Get 3 ready-to-send messages. Tap to copy THREE TONES, 30 ACTIONS Casual - For friends and group chats Hype them up, crack a joke, drop a roast, or keep the conversation alive. Flirty - For dating apps and crushes Tease, compliment, cook up an opener, or recover from a dry conversation. Sharp - For work and networking Follow up, pitch yourself, decline gracefully, or push back with confidence. WORKS EVERYWHERE iMessage, WhatsApp, Instagram DMs, Tinder, Hinge, Bumble, Slack, email. If you can screenshot it, Smooth can reply to it. BUILT FOR PRIVACY Your screenshots are processed in real time and never stored. No accounts, no sign-ups, no data collection. SHARE EXTENSION Send screenshots to Smooth directly from any app. No switching, no saving, no extra steps. Stop staring at your screen. Smooth gives you the words. Terms of Use: https://marcelcruz.notion.site/Terms-of-Service-30e7eee0a9078047bff5d524c892073b Privacy Policy: https://marcelcruz.notion.site/Privacy-Policy-30e7eee0a90780f7979ec8783753f6c4
6Call
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Number Six Softphone makes it easy to stay connected with affordable internet-based voice calling. Whether you're making personal calls or managing business communications, Number Six gives you a simple way to connect using your mobile device. KEY FEATURES • Internet-based voice calling Make calls through the internet using your Number Six account. • Affordable calling Enjoy competitive calling rates for local and international destinations. • Simple account management Manage your calling account and keep track of your usage. • Easy top-ups Add credit to your account and continue making calls without complicated setup. • Business calling Use Number Six as part of your business communication setup, including remote teams and call-centre operations. • Reliable voice infrastructure Number Six connects your calls through a dedicated communications platform designed for voice services. GET STARTED Download Number Six Softphone, sign in to your account, add calling credit and start making calls. Availability, rates and supported destinations may vary by location and account.
Screenshots
Verdict
The clearest difference is in-app purchases: 6Call at none against Smooth's 3. 6Call also leads on device support (3 vs 1). On price, ads and iOS requirement 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. Smooth sells 3 in-app purchases, starting at $7.99 per 7 days. 6Call asks for nothing beyond the download.
| Parameter | Smooth | 6Call |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 7 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 84 MB | 73 MB |
| Age rating | 9+ | 4+ |
| Developer | Marcel Cruz | Eric Delali Mawudeku |
In-app purchases
Smooth
- Smooth Pro Weekly$7.997 Days
- Smooth Pro Monthly$9.991 Month
- Smooth Pro Yearly7 Days trial$59.991 Year
6Call
No in-app purchases









