Why iPhone Photos Take Up More Space Than Android
Short answer
HEIC is not the problem — it is roughly half the size of JPEG at the same quality. The space goes to Live Photos, which attach a three-second video to every shot, to ProRAW files at 25–75MB each on Pro models, and to iOS keeping both the original and the edited version of any photo you adjust. Turning Live Photos off for everyday shots is the single biggest saving.
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The common explanation for this is that HEIC files are bulky. That is backwards. HEIC is the reason iPhone photos are not far larger than they already are, and a phone switched from HEIC to JPEG will fill up faster, not slower.
The actual answer is that an iPhone photo is frequently not one file. Depending on your settings it can be a still image, a three-second video, a depth map, and a second untouched copy of the original — all counted under one thumbnail in the Photos app.
HEIC, and why it is not the villain
HEIC is the container; HEVC is the compression inside it. The algorithm comes from video encoding, which has had thirty years more development than the JPEG standard it replaces, and it produces roughly half the file size at comparable visible quality.
A 12-megapixel still is usually somewhere in the low single-digit megabytes as HEIC and roughly double that as JPEG. So the format is working in your favour.
Its real cost is compatibility rather than space. Older Windows installations, some web upload forms and a fair amount of older software cannot open HEIC without help, which is a genuine irritation rather than a storage issue. If that is what brought you here, opening HEIC photos on Windows 11 covers the fix, and the HEIC to JPG converter handles one-off conversions without installing anything.
If you want JPEG by default anyway: Settings → Camera → Formats → Most Compatible. Understand that you are trading storage for compatibility, and stopping the iPhone saving photos as HEIC goes through the consequences.
Where the space actually goes
| Feature | What it adds | Who it affects |
|---|---|---|
| Live Photos | ~3 seconds of video per shot | On by default, everyone |
| Edited photos | A second untouched original | Anyone who crops or adjusts |
| ProRAW | 25–75MB per frame | Pro models, if enabled |
| Portrait mode | Depth data plus the original | Anyone using Portrait |
| Burst and 4K video | Many frames, high bitrate | Occasional, but large |
Live Photos, the biggest default cost
Every time the camera shutter fires with Live Photos enabled, iOS also saves the 1.5 seconds before and after as video. That video is what makes the image move when you press and hold it, and most people have never pressed and held a photo deliberately.
The video is stored alongside the still, so a Live Photo is meaningfully larger than the same shot without it. Over a library of thousands of photos, that is the single largest avoidable chunk.
To turn it off for everyday shooting: open Camera and tap the concentric circle icon at the top of the screen so it shows a slash. iOS resets this per session unless you tell it not to, so also set Settings → Camera → Preserve Settings → Live Photo to on, which keeps your choice between launches.
To strip the video from photos you have already taken: open a Live Photo, tap Edit, tap the Live button, and turn it off. That removes the video component and keeps the still.
Edited photos keep two copies
iOS photo editing is non-destructive. When you crop, adjust exposure or apply a filter, the original is retained in full so Revert always works. That is a good design decision and it costs you roughly the original file’s size again for every photo you touch.
There is no setting to disable it. The practical approach is to revert edits on photos you no longer care about, or to accept the cost on the handful that matter.
ProRAW, on Pro models
ProRAW files hold the sensor data with minimal processing applied, which is exactly what you want for serious editing and exactly what you do not want for a photo of a parking space.
A single ProRAW frame runs into tens of megabytes, which is an order of magnitude beyond a HEIC. Check Settings → Camera → Formats and confirm ProRAW is off unless you are deliberately shooting for editing. The camera also has a RAW toggle on screen when the setting is enabled, which is easy to leave on by accident.
Portrait mode and depth data
A Portrait photo stores the image plus a depth map that allows the blur to be adjusted afterwards. The overhead is smaller than Live Photos but it is real, and it applies to every Portrait shot whether or not you ever change the aperture.
The comparison is not quite like for like
Two more reasons an iPhone library looks larger than an equivalent Android one, neither of which is a defect:
Default video quality. iOS defaults to 1080p at 30fps on most models but many people switch to 4K, and 4K at 60fps is a very large file per minute. Check Settings → Camera → Record Video and pick the quality you genuinely need. The screen lists approximate sizes per minute, which is the most useful bit of honesty in the Settings app.
What is counted. The Photos figure in iPhone Storage includes screenshots, screen recordings, saved images from Messages and WhatsApp, and Recently Deleted items still inside their 30-day window. On Android some of that is attributed to the apps instead. The totals are measuring slightly different things.
What to do about it
In rough order of payoff:
- Turn Live Photos off for everyday shooting and preserve the setting.
- Turn on Optimize iPhone Storage under Settings → [your name] → iCloud → Photos, which keeps full-resolution originals in iCloud and smaller versions on the phone. This does not reduce your iCloud usage, only the space on the device.
- Check Formats and confirm ProRAW is off unless you want it.
- Drop video to 1080p unless you have a reason for 4K.
- Empty Recently Deleted in Photos → Albums, once you are certain.
Before deleting anything from the camera roll, confirm where the originals live. With iCloud Photos on, deleting from the phone deletes from every device, and deleting photos from an iPhone while keeping them in iCloud explains the only safe way to do what most people are trying to do.
Realistic expectations
Turning Live Photos off does not shrink your existing library; it slows future growth. The immediate win comes from Optimize iPhone Storage, which on a large library frees a substantial amount on the device without deleting anything.
The honest limit is that a modern phone camera produces large files and there is no setting that makes a 48-megapixel sensor cheap to store. The choice is between storing less, storing it in iCloud, or storing it somewhere else — not between a good format and a bad one.