SendPulse vs Key
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SendPulse
Manage your subscriber lists and send email, SMS, and Viber campaigns directly from your mobile device. Track campaign performance with detailed analytics and subscriber statistics. Schedule messages for future delivery or send them instantly.
- List management
- Add subscribers
- Send email campaigns
- Send SMS campaigns
- Send Viber campaigns
- View campaign reports
- Subscriber statistics
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With the SendPulse app, you can send campaigns, track CRM deals and tasks, monitor performance, and update customer data whether you are on a business trip, between meetings, or on your way to work. Access SendPulse’s core tools right in the app: Campaigns • Create email, SMS, and Viber campaigns and send them instantly or schedule them for the perfect time. • Add new mailing lists and explore existing ones. • View subscribers and check their activity metrics, including total sends, opens, clicks, and unread messages. • Add new subscribers by hand or pull them directly from your phone contacts. • Measure campaign performance with in-depth analytics. CRM system • Craft new pipelines, deals, contacts, tasks, and team task boards with ease. • Track statistics across all pipelines or drill down into individual ones to stay on top of your sales performance. • Edit deal and task details, update statuses, and assign responsible team members. • View contact cards with full interaction history, linked deals, and payments. • Refresh customer data in just a few taps. Automation • Keep track of your automated flows and their performance metrics, including opens, clicks, unsubscribes, and errors. Pop-ups • Manage display limits and keep tabs on clicks, closes, leads, and form submissions to fine-tune your pop-ups on the fly.
Key
This application uses your device's microphone to capture and decode dual-tone multi-frequency (DTMF) signals in real-time. It displays the decoded numbers instantly on your screen, making it a useful tool for professionals and tech enthusiasts.
- Real-time DTMF signal decoding
- Uses device microphone
- Displays decoded numbers instantly
- Suitable for professionals
- Useful for tech enthusiasts
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Key-Tone-Decoder: Real-Time DTMF Signal Decoder Dual-tone multi-frequency (DTMF) signaling is a telecommunication system that facilitates communication between telephone equipment, other devices, and switching centers using voice-frequency tones over telephone lines. Key-Tone-Decoder leverages your iPhone's microphone to capture these DTMF signals, instantly decoding them and displaying the decoded numbers on your screen in real-time. Perfect for professionals and tech enthusiasts, Key-Tone-Decoder makes it easy to decode DTMF signals right from your device.
Screenshots
Verdict
The clearest difference is review sentiment: SendPulse at 48% against Key's 0%. SendPulse also leads on price (Free vs $0.99) and rating (4.4 vs 1.0). On ads, in-app purchases, device support 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
SendPulse is free to download; Key costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SendPulse holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: SendPulse has 70 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 48% of SendPulse's written reviews are positive against 0% of Key's.
| Parameter | SendPulse | Key |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.4 (70 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 48.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 70 — better | 1 |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 29 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | SendPulse Inc | NANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETI |
Customer experience
SendPulse
Key
In-app purchases
SendPulse
No in-app purchases
Key
No in-app purchases









