How can I customize my app icons without breaking anything?

General
3

You’re not crazy, this stuff is a mess right now.

I agree with most of what @mike34 said, but I’d frame it a bit differently: you’re not choosing “the best method,” you’re choosing what you’re willing to break for the sake of aesthetics.

Instead of listing the same methods again, here’s how I’d think about it and what actually works in practice without driving you nuts.

1. Decide your non‑negotiables first

Before touching anything, answer:

  1. Do you need notification badges on some apps?
    • If yes, which ones specifically? (Messaging, email, calendar, banking, etc.)
  2. Are you ok with apps opening a bit slower?
  3. Are you ok with some icons being ugly if the critical ones stay functional?

Once you know that, you avoid the “I redid my whole homescreen and now everything is broken” cycle.

My usual setup pattern:

  • “Critical apps”:
    • Messages
    • Phone
    • Email
    • Calendar
    • Work / banking
  • “Aesthetic-only apps”:
    • Socials
    • Shopping
    • Streaming
    • Games
    • Anything you don’t need constant badges for

You treat those two groups differently, no matter what platform.

2. iOS: how to not lose your mind

Yes, Shortcuts is the officially blessed way, and yes, it’s kind of cursed.

What I do that’s slightly different from what @mike34 suggested:

  • Keep a hybrid homescreen

    • Dock & first row: real icons for critical apps
    • Themed icons for everything else
    • This way badges still work where they actually matter

  • Use widgets to “hide” some default icons

    • Put a full‑width widget on top, then real icons in the dock only
    • Themed icons on a second page
    • You see the aesthetic first, but you can still swipe to real ones if needed

  • Lean on Spotlight instead of tapping icons

    • For apps with custom icons, I often just swipe down and type the name
    • That sorta sidesteps the slow open from Shortcuts because you unconciously use search more

  • Avoid config profiles unless you really trust the source
    Slight disagreement with the “use some theming sites carefully” idea: personally I’d say:

    • Treat any profile that changes icons like malware until proven otherwise
    • The benefit over Shortcuts is tiny, the risk is bigger than it’s worth

Reality check on iOS right now:

  • Full custom icons + badges + native open behavior = not possible on stock.
  • The least painful setup is:
    • Critical apps: original icons
    • Everything else: Shortcuts icons
    • Real apps hidden in App Library

If you see any app claiming “true custom icons with badges, no Shortcuts,” assume it’s either misleading or using unsupported hacks that can break in the next update.

3. Android: treat the launcher as your “theme layer”

Here is where I disagree slightly with the idea that all you need is “pick a launcher and icon pack.” That’s almost true, but actual behavior depends on your brand.

Think of the setup like this:

  • Step 1: Choose where your icons logic lives

    • Stock launcher (Samsung / Xiaomi / etc)
    • Custom launcher (Nova, Niagara, Lawnchair, etc)

  • Step 2: Match your choice with the right theming method

    • If you keep stock launcher:
      • Use official theme store / theming engine from your brand
      • Less flexible, but very stable, badges usually just work
    • If you use custom launcher:
      • Use Play Store icon packs inside that launcher’s settings
      • Badges depend on:
        • Notification access permission
        • Whether your OEM kills the launcher in the background

Extra stuff people usually forget:

  • Go into Settings → Apps → [your launcher] → Battery / Power

    • Set it to “Unrestricted” or equivalent
    • Otherwise your badges or widgets may behave weirdly

  • Check system notification settings

    • Some OEMs have a separate toggle for icon badges on top of normal notifications

If you want “maximum aesthetic with minimum breakage” on Android:

  • Use an established custom launcher instead of weird theming apps that promise magic
  • Use a well rated icon pack from Play Store
  • Do a single homescreen first, do not theme 5 pages at once
  • Then watch for:
    • Badges
    • App open speed
    • Gesture navigation working normally

4. Strategy that actually keeps you sane

No matter which OS:

  1. Take a screenshot of your current homescreen so you can revert visually.
  2. Theme a small number of icons first:
    • 4 to 8 apps max
  3. Live with it for 24 hours:
    • Did you miss any badges?
    • Did you feel the slower opens?
    • Did any “I can’t find this app” moment happen?
  4. If it feels fine, expand slowly.

Most people go all‑in on a full aesthetic pack in one night, then spend the next week undoing parts of it.

5. If you tell us your exact phone & OS

The details really change between:

  • iPhone on iOS 16 vs 17
  • Samsung vs Pixel vs Xiaomi vs OnePlus

If you post your exact model and version, you can get “do this, skip that specific app, use this launcher / theme module” type advice instead of generic stuff.

Right now though, the honest answer is: you can get close to your dream setup, but not without some tradeoff. The trick is to only sacrifice things you actually don’t care about, instead of accidentally nuking badges or behavior for the apps you rely on daily.