Amazon Upshift vs Knock Messaging
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Amazon Upshift
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Amazon Communities is the easiest way for Amazon partners and leaders to connect to the resources they need to keep raising the bar on behalf of their customers. Access important business information, connect with other community members to share knowledge and best practices, and get support while on the go.
Knock Messaging
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Knock Messaging lets you send messages and media through iMessage. Recipients can instantly view shared content using an App Clip or the full app. The App Clip provides a fast and lightweight way to preview messages without installing the full app. Knock Messaging is designed for simple, direct message sharing with a seamless experience across supported devices.
Screenshots
Verdict
The clearest difference is update cadence: Knock Messaging at every 5 days against Amazon Upshift's every 5 months. Amazon Upshift's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Amazon Upshift ships an update every 5 months, Knock Messaging every 5 days. Both last shipped on October 25, 2026.
| Parameter | Amazon Upshift | Knock Messaging |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 5 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 8 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Discourse | Baseline Polls Limited Liability Company |
In-app purchases
Amazon Upshift
No in-app purchases
Knock Messaging
No in-app purchases
Questions
Is Amazon Upshift free?
Is Knock Messaging free?
Do Amazon Upshift or Knock Messaging have ads?
Which is updated more often, Amazon Upshift or Knock Messaging?
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