diff --git a/gui/src/Visualization/VisualizationGraphRenderingDelegate.cpp b/gui/src/Visualization/VisualizationGraphRenderingDelegate.cpp
index 6e6e3ea..a5ef319 100644
--- a/gui/src/Visualization/VisualizationGraphRenderingDelegate.cpp
+++ b/gui/src/Visualization/VisualizationGraphRenderingDelegate.cpp
@@ -7,10 +7,13 @@ namespace {
 
 const auto DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd hh:mm:ss:zzz");
 
-const auto TEXT_TRACER_FORMAT = QStringLiteral("key: %1\nvalue: %2");
+const auto TOOLTIP_FORMAT = QStringLiteral("key: %1\nvalue: %2");
 
-/// Timeout after which a tracer is displayed
-const auto TRACER_TIMEOUT = 500;
+/// Tooltip display rectangle (the tooltip is hidden when the mouse leaves this rectangle)
+const auto TOOLTIP_RECT = QRect{10, 10, 10, 10};
+
+/// Timeout after which the tooltip is displayed
+const auto TOOLTIP_TIMEOUT = 500;
 
 /// Formats a data value according to the axis on which it is present
 QString formatValue(double value, const QCPAxis &axis)
@@ -33,34 +36,20 @@ void initPointTracerStyle(QCPItemTracer &tracer) noexcept
     tracer.setSize(10);
 }
 
-void initTextTracerStyle(QCPItemText &tracer) noexcept
-{
-    tracer.setPen(QPen{Qt::gray});
-    tracer.setBrush(Qt::white);
-    tracer.setPadding(QMargins{6, 6, 6, 6});
-    tracer.setPositionAlignment(Qt::AlignTop | Qt::AlignLeft);
-    tracer.setTextAlignment(Qt::AlignLeft);
-}
-
 } // namespace
 
 struct VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegatePrivate {
     explicit VisualizationGraphRenderingDelegatePrivate(QCustomPlot &plot)
-            : m_Plot{plot},
-              m_PointTracer{new QCPItemTracer{&plot}},
-              m_TextTracer{new QCPItemText{&plot}},
-              m_TracerTimer{}
+            : m_Plot{plot}, m_PointTracer{new QCPItemTracer{&plot}}, m_TracerTimer{}
     {
         initPointTracerStyle(*m_PointTracer);
-        initTextTracerStyle(*m_TextTracer);
 
-        m_TracerTimer.setInterval(TRACER_TIMEOUT);
+        m_TracerTimer.setInterval(TOOLTIP_TIMEOUT);
         m_TracerTimer.setSingleShot(true);
     }
 
     QCustomPlot &m_Plot;
     QCPItemTracer *m_PointTracer;
-    QCPItemText *m_TextTracer;
     QTimer m_TracerTimer;
 };
 
@@ -74,50 +63,40 @@ void VisualizationGraphRenderingDelegate::onMouseMove(QMouseEvent *event) noexce
     // Cancels pending refresh
     impl->m_TracerTimer.disconnect();
 
-    auto showTracers = [ eventPos = event->pos(), this ]()
-    {
-        // Lambda function to display a tracer
-        auto displayTracer = [this](auto &tracer) {
-            // Tracer is set on top of the plot's main layer
-            tracer.setLayer(impl->m_Plot.layer("main"));
-            tracer.setVisible(true);
+    // Reinits tracers
+    impl->m_PointTracer->setGraph(nullptr);
+    impl->m_PointTracer->setVisible(false);
+    impl->m_Plot.replot();
+
+    // Gets the graph under the mouse position
+    auto eventPos = event->pos();
+    if (auto graph = qobject_cast<QCPGraph *>(impl->m_Plot.plottableAt(eventPos))) {
+        auto mouseKey = graph->keyAxis()->pixelToCoord(eventPos.x());
+        auto graphData = graph->data();
+
+        // Gets the closest data point to the mouse
+        auto graphDataIt = graphData->findBegin(mouseKey);
+        if (graphDataIt != graphData->constEnd()) {
+            auto key = formatValue(graphDataIt->key, *graph->keyAxis());
+            auto value = formatValue(graphDataIt->value, *graph->valueAxis());
+
+            // Displays point tracer
+            impl->m_PointTracer->setGraph(graph);
+            impl->m_PointTracer->setGraphKey(graphDataIt->key);
+            impl->m_PointTracer->setLayer(
+                impl->m_Plot.layer("main")); // Tracer is set on top of the plot's main layer
+            impl->m_PointTracer->setVisible(true);
             impl->m_Plot.replot();
-        };
-
-        // Reinits tracers
-        impl->m_PointTracer->setGraph(nullptr);
-        impl->m_PointTracer->setVisible(false);
-        impl->m_TextTracer->setVisible(false);
-        impl->m_Plot.replot();
-
-        // Gets the graph under the mouse position
-        if (auto graph = qobject_cast<QCPGraph *>(impl->m_Plot.plottableAt(eventPos))) {
-            auto mouseKey = graph->keyAxis()->pixelToCoord(eventPos.x());
-            auto graphData = graph->data();
-
-            // Gets the closest data point to the mouse
-            auto graphDataIt = graphData->findBegin(mouseKey);
-            if (graphDataIt != graphData->constEnd()) {
-                auto key = formatValue(graphDataIt->key, *graph->keyAxis());
-                auto value = formatValue(graphDataIt->value, *graph->valueAxis());
-                impl->m_TextTracer->setText(TEXT_TRACER_FORMAT.arg(key, value));
-
-                // Displays point tracer
-                impl->m_PointTracer->setGraph(graph);
-                impl->m_PointTracer->setGraphKey(graphDataIt->key);
-                displayTracer(*impl->m_PointTracer);
-
-                // Displays text tracer
-                auto tracerPosition = impl->m_TextTracer->position;
-                tracerPosition->setAxes(graph->keyAxis(), graph->valueAxis());
-                tracerPosition->setCoords(impl->m_PointTracer->position->key(),
-                                          impl->m_PointTracer->position->value());
-                displayTracer(*impl->m_TextTracer);
-            }
-        }
-    };
 
-    // Starts the timer to display tracers at timeout
-    QObject::connect(&impl->m_TracerTimer, &QTimer::timeout, showTracers);
-    impl->m_TracerTimer.start();
+            // Starts timer to show tooltip after timeout
+            auto showTooltip = [ tooltip = TOOLTIP_FORMAT.arg(key, value), eventPos, this ]()
+            {
+                QToolTip::showText(impl->m_Plot.mapToGlobal(eventPos), tooltip, &impl->m_Plot,
+                                   TOOLTIP_RECT);
+            };
+
+            QObject::connect(&impl->m_TracerTimer, &QTimer::timeout, showTooltip);
+            impl->m_TracerTimer.start();
+        }
+    }
 }