Both QR codes and email can get you more reviews — but they work differently. Here's when to use each, and how combining them creates the best results.
There are two primary digital channels for collecting Google reviews: QR codes (for in-person capture) and email/SMS (for post-visit follow-up). Each has distinct strengths, and the most successful businesses use both together.
QR Code Review Requests: The Numbers
- Average scan-to-review conversion rate: 15–25%
- Best for: restaurants, retail, salons, spas, auto shops, hospitality
- Works at: checkout, tables, waiting areas, packaging
- Requires: physical presence of the customer
- Advantage: captures the customer at peak satisfaction, in the moment
Email Review Requests: The Numbers
- Average open rate: 22–28%, click-to-review rate: 8–15%
- Best for: e-commerce, service businesses, B2B, professional services
- Works for: customers you have email addresses for
- Advantage: reaches customers after they've had time to experience the product/service
- Timing: send 2–24 hours after service for best results
SMS: The Rising Star
SMS review requests outperform email for in-person businesses. With a 98% open rate and 45% click rate, a single SMS sent within an hour of service consistently outperforms a three-email sequence. If you have customer phone numbers, SMS should be your primary digital channel.
The Winning Combination: QR + SMS Follow-Up
- 1Deploy QR code at point of service for immediate scans.
- 2Collect phone number at checkout (or use your existing CRM data).
- 3Send an SMS follow-up 1–2 hours after service.
- 4Send an email the next morning for any customers who didn't click the SMS.
- 5This three-touchpoint approach consistently achieves 30–40% review conversion rates.
Data Insight
PraiseGuard users who combine QR codes with SMS follow-up collect an average of 3.8× more reviews than those who use just one channel.
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