Absolutely horrible
The support is not existent , lack of professionalism and help to the client, I wish I’ve seen the past reviews about exactly that same issues still the same level of crappiness in 2026 when there are way much better options out there , be aware this app is a waste of your time and money .
Losing its value
I depend on this app to handle all my business communications, and the quality of the app is dying out. Now my customers that I send texts to are telling me they aren’t receiving my texts… which can’t happen for a business. Also I don’t know why I’m limited to a max of 10 people for group texting, which is a pain. I also many times don’t get notified that someone has called me or texted until I open the app, which has caused many issues. And a big issue is that when people call, the call doesn’t fully ring through. Been using for years and I don’t know what happened but definitely not what it used to be.
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Response from developer
Hey there, we're sorry to hear about these issues using Index. We understand how frustrating it can be not to receive messages on time. If you could please reach out to us with an example text including the date/time as well as you and your contact's number at reviews@getindex.com. We'll investigate this further from there.
Payment collection despite blocking usage.
Ive had this app for a while. They blocked its use but continued to bill my account despite the inability to use it. They finally resolved the issue but did not refund the money. Please note if you travel internationally beware as they may block its use despite lack of use overseas
Terrible
Often fails, can’t understand people on the other end due to poor connection and sometimes will call the wrong person. I was trying to use it for a business number but I think the old cup with a string would be more reliable.
Restricted account.
Originally had sideline then they switched me to Index. All of a sudden my account is listed as restricted and looks like they want me back to sideline. I suppose I’ll lose the number I’ve had for several years.
Major Issue unresolved
Cannot add TEAM and no one can help without bouncing us back and forth between INDEX and old SIDELINE account. Error message “Existing Account Found” when team was on Sideline, successfully removed yet this app has no answer. Terrible app
Best business texting app
Perfect for separating business and personal communications.
BEST app ever
Made my business functionality easier
So so simple
Index makes it so simple to keep all of my business needs in one place, and I am absolutely loving all of the features! Thank you so much Index!
Best and Useful app
The best app ever!!! Love it, using it everyday for texting, calling ❤️❤️❤️
Inefficient and Often Malfunctions
Save your time and money and stay away. Had this app for a while now and it’s often malfunctioning, signing you out, cant log in, echo during calls, delays during calls, other side of call cant hear you, etc. the list goes on! Horrible app, stay away!!
Oh and their customer service is the worse I have seen. No phone support and whoever is texting to “help”, is texting several other customers simultaneously. YOU are NOT their priority!
Oh and their customer service is the worse I have seen. No phone support and whoever is texting to “help”, is texting several other customers simultaneously. YOU are NOT their priority!
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Great tool
Just what I needed with exceptional features. This will be the beginning of the third, yes third year, of consistent service. Thank you
I use this app every day
I love the Quick Text feature. I send the same message to people everyday as a reminder. Love that it store it so that I don’t have to type it everyday.
Poor customer services
I’ve been using this for my business for years. When they make changes I have to fight with customer service to get things addressed. My number was blocked a month ago and they never told me. I just had to call them to get it set back up, but it shouldn’t have happened in the first place and I have no idea how much business I lost because of this. After it was set back up, it took 2 weeks for me to realize my text messages weren’t working. I’m still trying to get this corrected. This is unacceptable and can kill a small business when you depend on your phone.
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Years of Loyalty — Blocked Without Explanation
I’ve been a long-time user of this app, originally with Sideline and then transitioned into Index, relying on it consistently for business operations. But after years of stable use, my account was suddenly blocked without clear explanation. When I reached out to support, I was given vague responses like “please be mindful of our Terms of Service” — yet no one could specify what terms were supposedly violated.
After submitting multiple reviews and asking directly what part of the policy I breached, I was met with canned, unhelpful replies. Even worse, they told me to log into my account to cancel my subscription… despite the fact that my account was blocked and inaccessible (which I had already explained multiple times). The level of incompetence and dismissiveness from the support team was astonishing.
This service has not only failed to provide transparency, but their careless approach has directly impacted my business. Communication was robotic at best, and there seems to be little regard for customer experience or accountability.
If you rely on a business line for your work, I highly recommend looking elsewhere. The inconsistency and lack of clarity here simply aren’t worth the risk.
After submitting multiple reviews and asking directly what part of the policy I breached, I was met with canned, unhelpful replies. Even worse, they told me to log into my account to cancel my subscription… despite the fact that my account was blocked and inaccessible (which I had already explained multiple times). The level of incompetence and dismissiveness from the support team was astonishing.
This service has not only failed to provide transparency, but their careless approach has directly impacted my business. Communication was robotic at best, and there seems to be little regard for customer experience or accountability.
If you rely on a business line for your work, I highly recommend looking elsewhere. The inconsistency and lack of clarity here simply aren’t worth the risk.
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Response from developer
Hello David! We're very sorry to hear about this frustrating situation and we've followed up with you via your open support inquiry. We'd really like to reach a better resolution for you and your business - for further questions, comments, or concerns, please follow up with us there.
Not worth it
Business line missed a lot of inquires, numerous times I’ve had customers not receive my text messages. Not to mention the customer service does not even have a number to call.
Great!
Using Index has been great for me as a makeup artist, and has made communicating with my clients much more streamlined!
Disappointed
Initially, I had been using Sideline for the second phone number, but then was told that Index had superior options and recommended to switch over as it was a sister app. However, just in the last six weeks to two months, I have had the worst experience with this app/company. Reading the reviews further confirms, and at least provides me with some relief, knowing that I wasn’t the only one who has had poor communication with representatives through their support chats or emails. I even wonder if the apps response to the negative reviews on here will do anything at this point. I know for a fact that I have lost business and job opportunities because my phone number was not receiving calls or text messages and the deadlines had passed. It upsets me to know that I have thrown away money at this app and am being taken advantage of and given the run around. They “fix” my issue and then within one day or two it’s on the fritz again. They tried to blame my cell phone service provider with filtering these calls/text, but I contacted my cell phone provider and they informed me that they have no filtering on these texts as it is all routed through Index’s own servers/number. It is embarrassing that I have had to give my personal number to clients to avoid telling them that my number isn’t working. It makes me look like I couldn’t afford to pay my phone bill and overall it just seems so unprofessional. Unfortunately, I have to keep this phone number because all my advertisements and merchandise contain it and would cost me thousands to replace it. Hopefully I’ll be able to find a way to keep my phone number and transfer it for use on another app/service that can actually help prevent this issue… not just temporarily. At this point, I am at their mercy and it is a horrible feeling.
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Response from developer
Hey there, we're sorry to hear about your negative experience with Index. We do apologize for the delay in response. We’ve been experiencing higher-than-normal outreach volumes on our app's, and we are addressing inquiries as swiftly as we can. If you would like to reach out one more time, we'd love to help investigate this further at reviews@getindex.com.
NoGo
I never leave reviews so this comes with passion I was with sideline for many years and recently they were having all kinds of texting issues sending and receiving messages so they moved me to index. The issues would last nearly a week which is un acceptable for businesses. Once I moved to Index the problem still occurred for a while. They registered me with the registry which is now a requirement for businesses. The service started working again. But now we are completely getting no messages and we are unable to send no messages. It is now day 13 and still nothing this has been detrimental to our company as our whole company runs off of text messaging.
We have made plans to switch services because we see no end insight. I do not know who’s fault it is but we have been given a Port out date 10 days from the date we initiated it that is way too far out and way too long to have the wait without text messaging Services.
And all of my life of running businesses I have never seen a company with an outage that lasted this long. One note I must make is that they have a customer service chat and email and they are very responsive on that with quick turnaround however, that’s pretty much all it is is chitchatting back-and-forth with no outcome and still lack of texting service abilities.
While I am waiting until my port out date I am hoping they can either move my port out date sooner and or fix my text message abilities come and give me one or the other. It has been a half of a month with no texting service: index and sideline have a wonderful concept and great system when it is working but when they have issues it is a very long time to fix. If they can fix the down times and create more reliable service i would come back
We have made plans to switch services because we see no end insight. I do not know who’s fault it is but we have been given a Port out date 10 days from the date we initiated it that is way too far out and way too long to have the wait without text messaging Services.
And all of my life of running businesses I have never seen a company with an outage that lasted this long. One note I must make is that they have a customer service chat and email and they are very responsive on that with quick turnaround however, that’s pretty much all it is is chitchatting back-and-forth with no outcome and still lack of texting service abilities.
While I am waiting until my port out date I am hoping they can either move my port out date sooner and or fix my text message abilities come and give me one or the other. It has been a half of a month with no texting service: index and sideline have a wonderful concept and great system when it is working but when they have issues it is a very long time to fix. If they can fix the down times and create more reliable service i would come back
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Response from developer
Hey there, we apologize for any headaches this has caused you. If you continue to have any issues properly using Index, we'd love to help investigate this further so please reach out one more time to us at reviews@getindex.com. We'll see what we can do to help.
No customer service or support
This app goes down frequently. This is my second time reviewing this app and I made the mistake of not finding an alternative app to this. I’ve lost client messages (never went thru to me or from me to them) which means lost money for me. I do not recommend
This app. There is no phone support only chat bot answers.
This app. There is no phone support only chat bot answers.
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