Search: Login and authentication failures across multiple apps
Users are experiencing significant difficulties with the login and authentication process of the app, leading to frustration and inability to access services. Common issues include app crashes during login, failed email verification, and ineffective one-time password (OTP) systems.
5 people in 5 posts across 1 source · demand low, pain low, competition low
The pain
shares of 5 quoted postsWhat goes wrong, and for whom
- Who
- 5 people using Teachable online courses, Deferit: Pay bills in 4 and Lotus Flow - Yoga & Workout
- What goes wrong
- Not classified into a failure type — read the posts below.
- How bad
- 100% of posts are complaints · pain score low (34/100)
- Since
- 01 Apr 2026 → 31 Aug 2026
Is this a startup idea?
Not directly. These are complaints about a product or service people already use — the fix belongs first to that provider.
- Complaints are about
- Teachable online courses, Deferit: Pay bills in 4 and Lotus Flow - Yoga & Workout
- Looking for something else
- 0% want an alternative · 0% ask the provider for a feature
- What the numbers say
- Almost nobody is looking for a different product — people want this provider to fix it, not a new option.
The pain — what people say
Their asks, who is writing, and the posts themselves
What people were doing
Every post behind this page, by what its author was doing — and when each one was written
- Complaint5100%
Sources
5 signals · 1 sources
Evidence
Raw public posts behind this opportunity — click through to the original
Teachable online courses — Login in terrible I hate this app so much every time I try to login on my mobile device it makes me verify with my email and I give it the code that it sends me and it just fails telling me no. To solve this, I simply just have to completely close the app and open it and maybe try the code…
Strong complaint…ed spam, etc., and no dice. So I'm effectively locked out of the app. Email-only login systems are hot garbage
…chance on getting signed up multiple times and AT DIFFERENT PRICES! Since I can’t sign in and use the app I need to cancel, but this also seems impossible without having access. Also, why do you advertise chair yoga as free when it requires payment information?
Deferit: Pay bills in 4 — App doesn’t work well Almost everytime I log in to the app it crashes! I even clicked on the help desk button and it took me to a whole different app called FOUR. What in the world is going on? I want to make sure I can pay my bills without any issues. It’s been over three weeks and the…
Teachable online courses — OTP Login is broken The codes they email won’t work. Login is broken.
Strong complaint
Problem clusters
Distinct problems aggregated into this opportunity
Market and score
Products already there, how the score moved, and what it is made of
Opportunity history
Every score change is stored as a snapshot — click a sub-score to overlay it
Why did it move?
Score unchanged at 37.3 · 23 Sept 2026, 20:00 → 21:15 UTC
How the score was measured39 measured values behind the seven sub-scores · each shows the value, then the points it earned out of 100Show ↓Hide ↑
Questions about this idea
- Is Search: Login and authentication failures across multiple apps a startup idea?
- Not directly. These are complaints about a product or service people already use, and the fix belongs first to that provider. The page shows what is frustrating users and how badly — not an open market to start a company in.
- How many people have this problem?
- 5 different people described it independently, in 5 mentions, the earliest from 01 Apr 2026 and the most recent from 31 Aug 2026. The quotes, with dates and links to the originals, are in the Evidence section.
- Is this problem getting worse?
- Current status: stable — mentioned at a steady rate. Momentum is 59/100, measured as how often it is mentioned recently compared with before.
Adjacent opportunities
Nearest neighbours by embedding similarity
Discussion
Written by readers. Not part of the evidence above and not counted in any score.
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