RoomForGems$9.99

Setting up a parent's phone so storage stops filling up

A one-visit checklist for an adult child: the free iPhone and Android settings that stop a parent's phone filling up, and the scams to warn them about.

Published 15 October 20267 min readChecked against 13 sources

Your mum or dad calls. The phone says storage is full again. They can't take a photo of the grandchildren, and a pop-up is telling them to download a cleaner.

One visit can fix most of this for good. Here is a checklist you can work through with the phone in your hand. Everything in the first part is free and built into the phone. Menus differ between phone models and versions, so labels may not match exactly.

Before you start

Sit with your parent, not just the phone. Explain each change in a sentence. People are more relaxed about a setting they understand, and less likely to undo it later.

Write the free space down first. On iPhone it is in Settings › General › iPhone Storage. On Android it is usually Settings › Storage. You will see the difference at the end.

iPhone: the free settings

1. Turn on iCloud Photos with Optimize

  1. Open Settings and tap your parent's name.
  2. Tap iCloud, then Photos.
  3. Turn on Sync this device (the label differs by iOS version).
  4. Choose Optimize iPhone Storage.

Apple says that with this on, the phone keeps "space-saving versions" of photos and videos, while iCloud keeps the originals (Apple Support, read on 15 October 2026). The phone shrinks the photos looked at least first.

Two things to know. iCloud gives 5 GB free, which most photo libraries outgrow, so this may need a paid iCloud plan. And with iCloud Photos on, deleting a photo on the phone deletes it on every device using that library. Our guide on iCloud full vs iPhone full explains the difference.

2. Keep Messages for a year, not forever

Old message attachments can take a lot of room. Apple's steps:

  1. Open Settings, tap Apps, then Messages.
  2. Scroll down and tap Keep Messages.
  3. Choose 1 Year or 30 Days.

Apple warns that any choice other than Forever removes older conversations, "including all attachments" (Apple Support, read on 15 October 2026). Ask your parent first. If there are precious voice notes or photos in an old chat, save them before you change this.

3. Offload unused apps automatically

Apple's steps: Settings › Apps › App Store, then turn on Offload Unused Apps. When storage is low, the iPhone removes apps that aren't used but keeps their data. The icon stays with a small cloud symbol. Tapping it brings the app back.

Android: the free settings

1. Turn on Google Photos backup

  1. Open Google Photos.
  2. Tap the profile picture at the top right.
  3. Open Photos settings, then Backup.
  4. Turn Backup on.

Google notes that Google Account storage is shared across Photos, Drive and Gmail. A large library may need more than the free amount.

Some Android phones also have Smart Storage, which clears backed-up photos from the phone when storage is almost full. Google's path is Settings › Storage › Free up space, then the menu, then Settings. Google says some of these steps only work on Android 14 and up.

2. Archive unused apps automatically

Google's steps: open the Play Store, tap the profile photo, then Settings › General, and turn on Automatically archive apps. Google says archived apps are removed but personal data is kept, and the icon stays on the phone.

WhatsApp: the two settings that matter most

Family group chats send a lot of photos and videos. By default, WhatsApp saves them to the phone. These steps come from WhatsApp's own help centre.

Stop media saving to the photo library

You can also change this for one busy group only. Open the chat, tap its name, then choose Save to Photos (iPhone) or Media visibility (Android).

Limit automatic downloads

In WhatsApp, go to Settings › Storage and data. Under Media auto-download, choose what downloads on mobile data, on Wi-Fi and when roaming. Setting videos to download only when tapped helps most. WhatsApp says that with Never, a video still downloads once you press play.

A monthly check, ten minutes

Put a repeating reminder in your own calendar. Once a month, on a call or a visit:

  1. Check free space in Settings, as above.
  2. Look through screenshots and long videos together.
  3. Empty Recently Deleted in Photos (iPhone) or the trash (Android), if they agree. Deleted items stay there for about 30 days and still take space until then.

Warn them about fake warnings and weekly cleaners

This part matters as much as the settings.

Fake "storage full" pop-ups. Some websites show alarming messages that look like the phone talking. Apple's advice is to avoid interacting with pop-ups that "seem to take over your screen" (Apple Support, read on 15 October 2026). Close the tab instead. On iPhone, turn on Block Pop-ups and Fraudulent Website Warning in Settings › Apps › Safari.

A simple rule for your parent: the real storage warning comes from Settings, not from a web page.

Weekly-subscription cleaner apps. Many cleaner apps start with a short trial that turns into a weekly charge. Ask your parent to call you before paying for any cleaner. Our guide on how to tell if a cleaner app is legit gives a checklist. If they are already paying, this guide shows how to cancel and ask for a refund.

Family Sharing: buy once for the family

On iPhone

Apple's Family Sharing lets "you and up to five other family members" share purchases (Apple Support, read on 15 October 2026). That is six people in total, with one organizer.

To share apps you buy, the organizer turns on Purchase Sharing: Settings › Family › Purchase Sharing › Turn On. Each family member can then choose to share on their own phone.

In-app purchases are different. They are only shared if the developer has turned on Family Sharing for that purchase. Apple says in-app purchases "from non-participating apps" can't be shared (Apple Support, read on 15 October 2026). Apple's developer guide says a developer can share a one-time unlock with up to five additional family members, and that once turned on, it can't be turned off.

On Android

Google Play Family Library shares purchased apps with up to 5 family members. But Google says plainly: "You can't share in-app purchases and apps downloaded at no charge" (Google Play Help, read on 15 October 2026).

So on Android, an unlock bought inside a free app is not shared. Each person buys it on their own Google account.

Where RoomForGems fits, honestly

Do everything above first. It is free and it solves most of the problem.

RoomForGems helps with what is left: it finds copies, similar shots, screenshots and large videos, and your parent chooses what goes. It cannot clear System Data, other apps' storage or messages.

For a parent, it has a Helper Kit. You set it up for them in about two minutes: Simple mode, a reminder, and a PIN for settings. Then they can send you a status note. The note has numbers only, no photos.

Photos stay on the phone, and nothing is deleted without the phone's own confirmation. Scanning is free, clearing is free up to 1 GB, and then it is $9.99 once, through the App Store or Google Play. There is no subscription.

On iPhone, Family Sharing is on for the RoomForGems purchase. If your parent is in your family group with Purchase Sharing on, one purchase covers you both. On Android, as Google's rules above explain, the unlock is not shared through Family Library.

Quick answers

What is the single most useful setting on a parent's iPhone?
Usually iCloud Photos with Optimize iPhone Storage. The originals are kept in iCloud and the phone keeps space-saving versions, so the photo library takes much less room on the phone. It needs enough iCloud storage to hold the library.
Can I stop WhatsApp filling my parent's photo library?
Yes. On iPhone, WhatsApp's help centre says to go to Settings › Chats and turn off Save to Photos. On Android it is Settings › Chats › Media visibility. You can also limit Media auto-download under Storage and data.
If I buy an app on my iPhone, can my parent use it too?
Only if you are in the same Family Sharing group, Purchase Sharing is on, and the developer has turned on Family Sharing for that purchase. Apple says a family group is you and up to five other members.
Does Google Play Family Library share in-app purchases?
No. Google's help page says you can't share in-app purchases, or apps downloaded at no charge, with family members. On Android, each person buys an in-app unlock on their own account.

Sources

  1. Set up and use iCloud Photos - Apple Support (checked 15 October 2026)
  2. Manage storage on iPhone - Apple Support (checked 15 October 2026)
  3. Delete messages and attachments in Messages on iPhone - Apple Support (checked 15 October 2026)
  4. Back up photos & videos - Android - Google Photos Help (checked 15 October 2026)
  5. Free up storage on your Android device - Google Play Help (checked 15 October 2026)
  6. How to stop WhatsApp from saving media to your phone - WhatsApp Help Center (checked 15 October 2026)
  7. How to configure auto-download - WhatsApp Help Center (checked 15 October 2026)
  8. Block pop-up ads and windows in Safari - Apple Support (checked 15 October 2026)
  9. How Family Sharing works - Apple Support (checked 15 October 2026)
  10. Share apps and purchases with Family Sharing on your iPhone or iPad - Apple Support (checked 15 October 2026)
  11. If you can't find your family's shared apps and content - Apple Support (checked 15 October 2026)
  12. Turn on Family Sharing for In-App Purchases - App Store Connect Help - Apple Developer (checked 15 October 2026)
  13. Use Google Play Family Library - Google Play Help (checked 15 October 2026)