Building Your Own App Costs More Than the Development Fee
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Start With an Outcome
One customer in the industry described it this way:
They hired someone to build an App. The development fee was paid, a team was assembled, and the thing got built — it connected, it worked, it controlled the device. Two years in, they gave up.
Not because it could not be built. Because every step after that was an expense, and the revenue was invisible.
The problem usually starts with the initial judgement: treating the App as a one-off purchase.
How Many Lines of That Bill Have You Counted?
Most people count the first line:
`` ① Development fee (one-off) ✔ counted ``
The full version looks like this:
| Cost item | Cycle |
|---|---|
| ① Development fee | One-off |
| ② Server / backend | Annual |
| ③ Major iOS version adaptation | Once a year, no skipping |
| ④ Android device compatibility | Ongoing (too many models; something always fails) |
| ⑤ Bluetooth connectivity support | Every failed connection = one ticket |
| ⑥ App store review policy changes | Unpredictable |
| ⑦ Security patches | Ongoing |
| ⑧ Feature iteration | Skip it = users leave |
| ⑨ Staff turnover / handover | The lead developer leaves and the code stops |
① is a purchase. ②–⑨ are operations.
The line count is not the point. The point is that ② through ⑨ have no end.
Running a job that needs long-term operations on the budget of "buying an App" — lasting two years already means running on fumes.
Line ⑤ in Particular: An App Multiplies Support Load
This is the line most easily missed, and it happens the moment you go live.
Before the App, support covered hardware only: it breaks, it gets repaired or replaced — all clearly defined.
After the App, a whole new ticket category appears:
`` "I can't connect on my phone" "It connected yesterday, not today" "Bluetooth is on but the device doesn't show up" "I changed phones and my data is gone" "It won't open after the update" "I granted every permission and it still won't connect" ``
The key point: most of these are not product failures — they are users who do not know how to use it.
But users do not sort it that way. They come to you. So you gain a window that must be answered, and it is 24/7.
For a factory whose team is hardware and supply chain, nobody covers this today, and it has never entered the cost model.
Line ⑨: The Person Leaves and the Code Stops
This happens especially easily inside a factory structure.
After the App ships, that developer has no next step in your team: no promotion path, no peer colleagues, no one to discuss the technology with.
After they leave:
- Who understands the code?
- Who renews the server when it expires?
- Who handles the app store delisting warning?
This is not solved by paying more — it is a structural problem. A factory's core strength is hardware and supply chain. A software team is not something that grows here.
What the Bill Looks Like Without Self-Development
| Self-development | FeiEgg covering this link |
|---|---|
| Development fee | No team to build |
| Server / backend | On our side |
| iOS / Android adaptation | We keep up |
| Bluetooth support and technical assistance | We take it |
| Feature iteration | We do it |
| Risk of staff loss | None (they are not your people) |
| Staffing cost | Settled by cooperation terms, no headcount |
Note: this is not "free" — it is settled according to the cooperation terms. The difference is that you do not have to build a department first, nor decide two years later whether to cut it.
Our Boundaries, Stated Up Front
| ✔ We do | The App side: integrating your hardware, development, maintenance, updates, technical support |
| ✔ Brand | Yours — users see your product and your name |
| ✔ Data | Ownership and visibility written down before cooperation; you decide |
| ✔ Bluetooth support | Connectivity-related technical support is on us |
| ✘ We do not do | Hardware, boards, firmware, remotes — those are your solution provider's scope |
| ✘ We do not take over | We do not replace your existing solution provider; we only connect the phone side |
One honest note: if you already have a stable, functioning software team, maintaining it yourself is a reasonable choice and we will not push you to change.
This approach suits: factories with no software team that also do not want to carry a team solely for an App.
Next Steps (Actionable)
Send us your situation and we will walk through this bill with you:
```
- Which solution provider supplies the board? (Integration is the first gate)
- What needs phone control? (modes / settings / heating / timer…)
- Which features does the remote control today?
- Is there an App already in progress?
- Expected unit volume / launch timeline?
```
Price comes later. First, whether it can be integrated and what needs to change.
Follow the official account "飞蛋服务" (FeiEgg Service) for the onboarding process and FAQs. Send your situation to the account and we will reply.