Google hands every account 15 GB to split between Gmail, Drive and Photos; Apple starts iCloud at 5 GB. Those two figures are the real reason a library that felt manageable at 2,000 pictures becomes unmanageable at 20,000 — the album screen was never the bottleneck. Work out which service is actually eating the space before you build a single folder.
Check the quota before you build any structure
In a browser, open photos.google.com and read the storage bar in the left column, or visit one.google.com/storage for the per-service breakdown. If Photos is sitting on 70% of a 15 GB allowance, no amount of album tidying will help — you either delete, or you move files somewhere else.
On an iPhone the path is Settings → [your name] → iCloud → Manage Account → Change Storage Plan. The tiers are 50 GB for $0.99, 200 GB for $2.99 and 2 TB for $9.99 a month in the US store; local pricing differs. Paying for 200 GB is a fair decision, but make it deliberately rather than at the “iCloud storage is full” pop-up, because a bigger plan only delays the sorting problem by a year or so.
Google’s free unlimited “high quality” uploads ended in June 2021, so compressed copies now count against the quota as well. Changing the upload setting to Storage saver affects new uploads only; it will not shrink the originals you uploaded in 2019.
Treat search as the sorting tool
The search box in Google Photos accepts plain words that map to real filters: screenshots, videos, selfies, collages, a place name, a month and year such as “March 2023”, or an app name like “WhatsApp”. Type one, then tap the result count and use Select all on the filtered set. That is the fastest way to clear a category you will never look at again.
On iOS, the Photos app gives you Years, Months and Days tabs across the bottom of the Library, plus automatically built albums for Screenshots, Selfies and Videos under Albums → Media Types. Since iOS 16 there is also Albums → Utilities → Duplicates, which offers a Merge button and keeps the highest-resolution copy. On a typical three-year-old phone library, screenshots are 10–25% of the total item count and almost none of them matter.
Delete against a written rule
Ad-hoc deleting stalls because every photo feels like a decision. Pick four rules and apply them without arguing: screenshots older than 30 days, test shots and pocket photos, duplicate burst frames (keep the sharpest), and videos over three minutes you have never opened. Anything that survives all four stays.
Deleted items are recoverable for a while — Recently Deleted in Google Photos holds files for 60 days, the same album in iCloud holds them for 30. Empty that bin only once the item count on the storage page has actually dropped. Emptying it in the same minute you delete is how people lose the one photo they meant to keep.
Albums are for handing photos to people
An album that only you can see is a second copy of the library with extra steps. Use albums for delivery: a wedding, a school trip, a family reunion. Name them 2026-03 Cox’s Bazar so they sort chronologically instead of alphabetically, and share with a link rather than asking people to sign in.
Google Photos shared albums let invited people add their own shots, which is how you collect pictures from relatives who were at the same event. Apple’s shared albums cap out at 5,000 photos and videos, which is generous for an event and useless as a whole-library dump. Either way, the album is the thing you send, not the thing you archive.
Keep one copy that neither company controls
Both shared albums and personal libraries depend on an account that can be locked, suspended or closed. Export once a year with Google Takeout, selecting only Photos, and expect the archive in 2 GB or 50 GB zip parts with a download link that expires after seven days.
Then copy that export onto an external drive that lives somewhere other than the laptop bag. Apple’s iCloud Photos documentation is clear that deleting a photo on one device removes it everywhere — convenient weekly, catastrophic once. A yearly local copy is the only thing that survives a mistake made on a phone at 11 p.m.
If the quota is still tight after all that, the storage-focused photo cleanup covers which file types are worth compressing, and the iPhone backup checklist is the right thing to read before you delete anything in bulk.