Impact Key vs DMS4 Inbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Impact Key
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Welcome to the official app for IMPACT WEEK 2026. Hosted in Singapore this September, IMPACT WEEK brings together global visionaries to share forward‑thinking ideas and reimagine our shared future. Download the app and get ready for IMPACT WEEK 2026.
DMS4 Inbox
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XGATE Inbox helps authorized sales teams manage customer conversations from a secure mobile workspace. Sales users can review assigned, unassigned, pending, processing, and closed conversations, search by customer, phone number, message content, or internal notes, and respond with text, attachments, emojis, templates, and approved content library assets. The app supports daily sales follow-up workflows including online and offline status, offline auto-replies, SLA countdowns, conversation reassignment, conversation closing, send failure alerts, and outbound channel selection. For team collaboration, sales users can add internal notes and @mention colleagues without exposing private comments to customers. Customer profile tools show key contact details, tags, notes, and connected CRM or order information when enabled by the workspace. For multi-team operations, workspace switching keeps conversations, assignments, tags, templates, routing rules, and integrations separated by workspace. The interface supports English and Chinese. XGATE Inbox is intended for authorized sales users. Access requires an account provided by your organization.
Screenshots
Verdict
The clearest difference is update cadence: Impact Key at every 4 days against DMS4 Inbox's every 2 months. Impact Key also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Impact Key ships an update every 4 days, DMS4 Inbox every 2 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | Impact Key | DMS4 Inbox |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 32 MB | 41 MB |
| Age rating | 4+ | 17+ |
| Developer | Suzhou IMC Property Development Co., Ltd | 成都讯格得信息科技有限公司 |
In-app purchases
Impact Key
No in-app purchases
DMS4 Inbox
No in-app purchases









