---
title: peakMemoryUsage
framework: metrickit
role: symbol
role_heading: Instance Property
path: metrickit/mxmemorymetric/peakmemoryusage
---

# peakMemoryUsage

The largest amount of memory used by the app.

## Declaration

```swift
var peakMemoryUsage: Measurement<UnitInformationStorage> { get }
```

## See Also

### Measuring memory use

- [averageSuspendedMemory](metrickit/mxmemorymetric/averagesuspendedmemory.md)