Review collection methods compared: phone, SMS, email and web links
Every review is a small piece of proof a buyer considers before they decide. Here’s how to collect more reviews, and better ones.
Most common review collection methods compared
Here’s a look at how web links, email, SMS and outbound phone calls compare on the volume, quality and consistency of the reviews they produce.
| Compare | Links | SMS | Phone | |
|---|---|---|---|---|
| Conversion | ~1% | ~1.5–3% | ~5–10% | ~16% |
| Quality | ~120 words | ~55 words per review | Short | ~150 words |
| Consistency | Steady but subject to organic sources | Needs to be automated | Needs to be automated | Aspect does the work for you |
Data comes from ConsumerAffairs internal data around reviews from Jan 1 – Aug 30, 2026.
Links are a one-time set up, catch-all standing link
Think of “links” as a link to a form on a profile. You add them in QR codes or from a button on your website.
Links are probably the most common type of review collection. You add links to profiles like Facebook and ConsumerAffairs from your site, in email signatures, and in marketing material.
After you set a link up, they are an easy entry point for anyone who wants to leave a review without you asking.
However, the tradeoff lies in the motivation of who actually leaves a review in this way. Spiegel Research Center found that self-motivated reviewers write more extreme reviews that skew negative.
The fact they skew negative doesn’t mean that you should remove a profile link. The complaints capture an opportunity for you to fix a problem. Particularly if you see it repeating across reviews.
Furthermore, a customer can update their review, which provides proof of how you fixed their concern. At Aspect, we call those updated reviews spotlight reviews.
See the numbers behind the chart
| Rating | Anonymous consumer | Verified buyer |
|---|---|---|
| 1★ | 15% | 4% |
| 2★ | 7% | 4% |
| 3★ | 6% | 5% |
| 4★ | 16% | 22% |
| 5★ | 56% | 65% |
Email review requests are automatable and scalable
You typically want to send a review request over email after your customer has taken a trigger action. A trigger action is something like buying, installing, talking to support, or some other major interaction with your service.
Email is one of the simplest review collection methods because you already have the customer’s email address. Even better, you can automate it with Aspect.
When a trigger event happens, you BCC Aspect on the email. Aspect can then follow up with them asking for a review. The industry standard response rate is somewhere in the 1.5% to 3% range for these types of review requests.
The great thing about email is that it scales incredibly well. You can talk to an Aspect Expert to learn about plans that offer an unlimited number of email requests per month.
Tell us your experience:
★★★★★ ★★★★ ★★★ ★★ ★SMS gets the fastest response but requires more steps
SMS can get you a lot of reviews but can require explicit customer consent.
People read texts within minutes and they linger in their inbox. This means SMS is likely best when you need a time-sensitive or right-after-service review request.
It can also help with pure review volume since the friction to write is so low.
Note! None of this is legal advice. Keep in mind that under the Telephone Consumer Protection Act, consent has to be collected before your SMS to a customer and every message needs a working opt-out.
Hi
{first name}, it is {company}. Please let us know how we did. {review link} Reply STOP to opt out.
Phone calls produce the highest converting, richest reviews
Phone reviews get richer reviews because you can ask key follow-up questions and get the full story.
Aspect offers a managed phone review platform. An Aspect Customer Advocate calls a sample of your customers and records their reviews. Almost no other review platform offers this service.
A phone conversation can lead to detailed responses and yield a much more comprehensive and helpful review. People can talk about 3x faster than they can type, so they are able to express more about their experience in a shorter period of time.
Where an email asks how the installation was and gets a simple “good” in response, a call can include follow up questions.
For the deeper argument on why a phone conversation beats an online form, learn more about phone reviews.
Phone reviews are even better if you need to reach a random subset of customers. Roughly 1 in 6 people on a phone list leave a review.
“What did the crew do that you liked?”
“How did they treat you?”
“Did they respect your property?”
Aspect makes starting with phone reviews easy
Upload a list once a month, and we handle the calls, the follow-up questions and the publishing.
- 1Upload your list
Export everyone who bought last month, not just your happiest customers, and upload phone number, name, city and state.
- 2An Aspect Customer Advocate calls
Aspect calls each customer and records their story, following up on anything specific they mention.
- 3Reviews get published
Aspect transcribes and a person moderates every phone call recording.
Frequently asked questions about collecting customer reviews
How can I collect customer reviews?
What are the three types of review?
The useful split is by how the review was collected, not by where it was published.
- A prompted and verified review comes from someone you asked and whose purchase you can confirm.
- A prompted but unverified review comes from someone you asked without a confirmable transaction.
- An unprompted review comes from someone who sought out the form on their own.
Which review collection method gets the most reviews?
Is it legal to ask customers for reviews?
Note nothing here is legal advice. Asking should be fine. Choosing who you ask is the problem. Google’s Business Profile policy tells merchants not to discourage negative reviews or selectively solicit positive ones, and the FTC’s Rule on the Use of Consumer Reviews and Testimonials, 16 CFR Part 465, reaches reviews given in exchange for a conditioned incentive.
Texting customers adds a consent requirement under the Telephone Consumer Protection Act.
How many review collection methods should I use?
Aspect recommends more than one. A single channel caps how many reviews you can collect each month. An aspirational review stack includes:
- Links or forms on your site
- Automated email collection
- Phone reviews
- SMS
Talk to an Aspect expert
Tell us which methods you’re running, and we’ll tell you honestly what’s worth adding next, even if that’s nothing.