diff --git a/src/LCDDisplay.cpp b/src/LCDDisplay.cpp
index 54e63fd..d0da302 100644
--- a/src/LCDDisplay.cpp
+++ b/src/LCDDisplay.cpp
@@ -4,18 +4,18 @@
 #include <termios.h>
 #include <unistd.h>
 
-#include <iostream>
+#include <print>
 #include <string>
 
 /* lcd size hardcoded to 4x40 idgaf */
 LCDDisplay::LCDDisplay(std::string dev, uint32_t baud) {
-    std::cout << "[LCDDisplay] Opening LCD at " << dev << std::endl;
+    std::println("[LCDDisplay] Opening LCD at {}", dev);
     struct termios term;
     int lcd = open(dev.c_str(), O_RDWR | O_NOCTTY | O_NONBLOCK);
 
     // handle errors
     if (lcd < 0) {
-        std::cerr << "[LCDDisplay] Error opening serial port " << dev << std::endl;
+        std::println("[LCDDisplay] Error opening serial port {}", dev);  // err
         exit(lcd);
     }
 
@@ -30,7 +30,7 @@ LCDDisplay::LCDDisplay(std::string dev, uint32_t baud) {
 }
 
 LCDDisplay::~LCDDisplay() {
-    std::cout << "[LCDDisplay] Closing LCD port" << std::endl;
+    std::println("[LCDDisplay] Closing LCD port");
     close(_lcd);
 }
 
@@ -40,13 +40,13 @@ void LCDDisplay::clear() {
 }
 
 void LCDDisplay::setContrast(uint8_t contrast) {
-    std::cout << "[LCDDisplay] Set contrast to " << std::to_string(contrast) << std::endl;
+    std::println("[LCDDisplay] Set contrast to {}", contrast);
     uint8_t cmdbuf[] = {254, 80, contrast};
     write(_lcd, &cmdbuf, 3);
 }
 
 void LCDDisplay::setBacklight(bool enabled) {
-    std::cout << "[LCDDisplay] Backlight set to " << std::to_string(enabled) << std::endl;
+    std::println("[LCDDisplay] Set brightness to {}", enabled);
     uint8_t cmdbuf[] = {254, (uint8_t)(enabled ? 66 : 70), 255};
     write(_lcd, &cmdbuf, enabled ? 3 : 2);
 }
@@ -63,7 +63,7 @@ void LCDDisplay::writeStr(std::string str) {
 void LCDDisplay::writeLines(std::array<std::string, 4> lines) {
     for (auto& line : lines) {
         if (line.size() > 40) {
-            std::cerr << "Line " << line << " too long! (" << line.size() << " chars)" << std::endl;
+            std::println("Line {} too long! ({} chars)", line, line.size());
             continue;
         }
         line.insert(line.end(), 40 - line.size(), ' ');
@@ -78,14 +78,13 @@ void LCDDisplay::writeLines(std::array<std::string, 4> lines) {
 void LCDDisplay::writeSStream(std::stringstream& ss) {
     std::string s = ss.str();
     if (s.size() != 160)
-        std::cerr << "[LCDDisplay] stringstream wrong (" + std::to_string((int)(160 - s.size())) + " chars too short)" << std::endl;
+        std::println("[LCDDisplay] stringstream wrong ({} chars too short)", 160 - s.size());  // err
     setCursor(0, 0);
     writeStr(s.substr(0, 80));
     setCursor(2, 0);
     writeStr(s.substr(80, 159));
 }
 
-
 void LCDDisplay::setCustomChar(uint8_t index, std::array<uint8_t, 8> cchar) {
     uint8_t cmdbuf[11];
     cmdbuf[0] = 254;
@@ -99,7 +98,7 @@ void LCDDisplay::setCustomChar(uint8_t index, std::array<uint8_t, 8> cchar) {
 char LCDDisplay::bar(uint8_t char_id, double value) {
     std::array<uint8_t, 8> b;
     b.fill(0b01110);
-    for(uint8_t i = 0; i < (1.0 - value) * 8; i++)
+    for (uint8_t i = 0; i < (1.0 - value) * 8; i++)
         b[i] = 0;
     setCustomChar(char_id, b);
     return cc[char_id];
diff --git a/src/gpu.cpp b/src/gpu.cpp
index 48c68e6..9c4b715 100644
--- a/src/gpu.cpp
+++ b/src/gpu.cpp
@@ -1,7 +1,7 @@
 #include <cstdint>
 #include <fstream>
 #include <gpu.hpp>
-#include <iostream>
+#include <print>
 #include <string>
 #include <utils.hpp>
 
@@ -89,11 +89,10 @@ GpuMetricsHeader_t getGpuMetricsHeader(std::string path) {
     std::ifstream f(path, std::ios::binary);
     if (f.good()) {
         f.read(reinterpret_cast<char *>(&header), sizeof(header));
-        std::cout << "[GpuMetrics] header at path " + path + " read, GpuMetrics_v" << std::to_string(header.format_revision) << "_" << std::to_string(header.content_revision);
-        std::cout << ", size " << std::to_string(header.structure_size) << std::endl;
+        std::println("[GpuMetrics] header at path {} read, GpuMetrics_v{}_{}, size {}", path, header.format_revision, header.content_revision, header.structure_size);
         f.close();
     } else {
-        std::cerr << "[GpuMetrics] error reading header at path " + path + " (wrong card # ?)" << std::endl;
+        std::println("[GpuMetrics] error reading header at path {} (wrong card # ?)", path);  // should be err
     }
 
     return header;
@@ -109,7 +108,7 @@ auto getGpuMetrics(GpuMetricsHeader_t h, std::string path) {
             f.close();
         }
     } else {
-        std::cout << "[GpuMetrics] read failed, unsupported format" << std::endl;
+        std::println("[GpuMetrics] read failed, unsupported format");
     }
 
     return metrics;
diff --git a/src/utils.cpp b/src/utils.cpp
index df35bbc..2d10473 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -1,6 +1,6 @@
 #include <cstdint>
 #include <fstream>
-#include <iostream>
+#include <print>
 #include <sstream>
 #include <string>
 #include <utils.hpp>
@@ -11,7 +11,7 @@ std::string readFile(std::string path, uint8_t trim) {
     std::stringstream ss;
     std::ifstream fs(path);
     if (!fs.good()) {
-        std::cerr << "[readFile] Error reading " << path << std::endl;
+        std::println("[readFile] Error reading {}", path);
         return "";
     }
     ss << fs.rdbuf();
@@ -38,7 +38,7 @@ std::string findHwmonPath(std::string module) {
         auto f = readFile("/sys/class/hwmon/hwmon" + std::to_string(id) + "/name");
         if (f.size() == 0) break;
         if (f == module) {
-            std::cout << ("[Hwmon] Detected " + module + " path is " + "/sys/class/hwmon/hwmon" + std::to_string(id)) << std::endl;
+            std::println("[Hwmon] Detected {} path is /sys/class/hwmon/hwmon{}", module, id);
             return "/sys/class/hwmon/hwmon" + std::to_string(id);
         }
     }