Nextel vs CASSIE Air
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nextel
This app helps businesses manage customer relationships and scale marketing, sales, and support directly through WhatsApp. It automates conversations, facilitates order taking, appointment bookings, and lead generation.
- Customer data management
- Collaborative inbox
- WhatsApp broadcast campaigns
- Quick replies
- Order taking via catalog
- Appointment booking
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Nextel is here to build your customer relationship over WhatsApp. Nextel seamlessly integrates with multiple lead generation, data management platforms to engage them on WhatsApp. Nextel helps your business to scale marketing, sales and support on WhatsApp. Nextel helps automate customer conversations, take orders using WhatsApp catalog, take appointment bookings, generate / qualify leads, scale your customer support, send bulk marketing campaigns. Nextel mobile app features: AUDIENCE MANAGEMENT Manage customers data, add tags, make notes, put follow ups, insert values to filter your customers data. COLLABORATIVE INBOXReply to your customer queries, from your WhatsApp API number, loop in other team members where you need additional help. WHATSAPP BROADCAST Send personalized WhatsApp broadcast campaigns sent to unlimited audience in a single click. QUICK REPLIES Quickly create & organize quick replies to boost the efficiency of the chat agents. Build better customer relations with Nextel :)
CASSIE Air
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Easily monitor the air quality in your building and streamline maintenance requests with our intuitive app. Stay informed with real-time air quality data and take action by creating and managing work orders for your maintenance staff directly from the platform. Keep your building safe, healthy, and running smoothly—all in one convenient place.
Screenshots
Verdict
Nextel and CASSIE Air are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
Nextel ships an update monthly, CASSIE Air every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Nextel | CASSIE Air |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.4 | 13.4 |
| Further details — not scored | ||
| Size | 20 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Siddharth Ray | Cassie, Inc. |
In-app purchases
Nextel
No in-app purchases
CASSIE Air
No in-app purchases









