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Billing & Invoicing opportunities·tracked since 23 Sept 2026·evidence from 10 Sept 2025·scored 31m ago

App with reliable subscription service

Users are experiencing significant frustrations with the highly recommend app due to technical glitches and limitations on features after a subscription price increase. This dissatisfaction has led some users to seek alternative solutions.

4 people in 4 posts across 1 source · demand low, pain low, competition low

Pain pointStableEvidence: low
Index score
24.0
ahead of 25% of the rest of this market
0.0%signals / 7d
Demand
0.0low
Momentum
42.8moderate
Pain
0.0low
Competition
39.9low
lower is better
Monetization
0.0low
Market size
7.7low
Evidence
46.0moderate

The pain

shares of 4 quoted posts

What goes wrong, and for whom

Who
4 people using Invoice Maker ▸ Invoice Simple
What goes wrong
  • Doesn't work25% of posts
How bad
50% of posts are complaints
Since
10 Sept 2025 → 24 Apr 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
Invoice Maker ▸ Invoice Simple
Looking for something else
25% want an alternative · 25% ask the provider for a feature
What the numbers say
25% are looking for an alternative — if there is an opening, it is with them.
Build a prototype from thisA landing page written from these 4 complaints by 4 people.50 credits · sign in →
1

The pain — what people say

Their asks, who is writing, and the posts themselves

People are asking for

In their own words — asks pulled from the evidence, most-repeated first

  1. Currently looking for an alternative!

What people were doing

Every post behind this page, by what its author was doing — and when each one was written

4posts
  • Complaint250%
  • Looking for an alternative125%
  • Request125%
10 Sept 20254 posts24 Apr 2026

Sources

4 signals · 1 sources

App Store (English storefronts)4
Only public content is collected, author names are stored as one-way hashes, and every excerpt links back to its original post.

Evidence

Raw public posts behind this opportunity — click through to the original

  • App Store (English storefronts)App Store US/Accounting & invoicing·07 Oct 2025·Complaintsource ↗

    Invoice Maker ▸ Invoice Simple — NOT GOOD PAID FOR A SUBSCRIPTION AND NOW ITS GLITCHING AND MAKING ME BUY A NEW ONE, DOES NOT WORK AT ALL I HATE THIS APP NOW AND HAVE USED IT FOR YEARS

    Strong complaintDoesn't work
  • App Store (English storefronts)App Store US/Accounting & invoicing·10 Sept 2025·Requestsource ↗

    …eing able to move the invoice to paid allows me to know who has paid. Highly recommend app.

  • App Store (English storefronts)App Store US/Accounting & invoicing·18 Oct 2025·Complaintsource ↗

    …otification, so I get a notification but I don’t know the reason why. But the reason I’m giving only 2 stars is even with they rising the subscription price, now they are limiting the number of invoices for only 10/month, trying to push you to upgrade for a more expensive plan. If you want to do this to new clients…

  • App Store (English storefronts)App Store US/Accounting & invoicing·24 Apr 2026·Looking for an alternativesource ↗

    …or the app. And now you’re deciding to start charging a subscription. Currently looking for an alternative!

    Looking for a tool
2

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 24.1 → 24.0 · 23 Sept 2026, 19:00 → 20:15 UTC

Score attributionSign in — it's free
How the score was measured
38 measured values behind the seven sub-scores · each shows the value, then the points it earned out of 100
Show ↓
Market size
Distinct people affected4 21
Distinct communities0 0
Distinct sources0 0
Adjacent categories0 0
Regions / languages0 0
Competition
Existing products5 50
New entrants (90d)0 0
Funded players0 0
Market maturity8.9 79
Incumbent activity99.8 100
Monetization
Stated willingness to pay0 0
Existing paid products0 0
Pricing complaints0 0
Business context0 0
Momentum
Period-over-period growth0 40
Latest period growth0 43
Sustained trend0 43
Acceleration0 50
Pain
Complaint intensity0 0
Complaint frequency0 0
Negative sentiment0 0
Willingness to switch0 0
Urgency0 0
Willingness to pay0 0
Repeat complaints0 0
Demand
Mention volume0 0
Explicit requests0 0
Distinct people0 0
Questions asked0 0
Alternative searches0 0
Feature requests0 0
Evidence
Evidence volume4 20
Source diversity1 35
Extraction confidence43.9 44
Source credibility72 72
Duplicate rate0 100
Freshness152.3 0
Cluster cohesion100 100

Questions about this idea

Is App with reliable subscription service 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?
4 different people described it independently, in 4 mentions, the earliest from 10 Sept 2025 and the most recent from 24 Apr 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 43/100, 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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