Comparison

Kronos Fit vs SPL Meter

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Kronos Fit

Features
Read full description

The Kronos Fit Fitness App is designed to help you analyze and keep track of your daily activity. Note: - About [HealthKit]: Supports [Health] application,We need to obtain access to HealthKit to synchronize the health data of the Bluetooth device to Apple Health of your iPhone, such as the number of steps, calories and distance, etc., which will help you better pay attention to your exercise and health. -Constant running of GPS in background activity can affect smartphone’s battery life.

About

SPL Meter

Transform your device into a professional sound level meter to measure decibels in real-time. Monitor noise levels, visualize sound frequencies, and track your exposure to ensure safe hearing limits.

Highlights
  • Accurate noise level detection
  • Live audio monitoring
  • Professional calibration
  • Detailed noise history
  • Advanced spectrogram view
  • Noise exposure tracking
Features
Read full description

Turn your iPhone into a precise SPL meter, noise meter, and dB meter. Get instant readings, monitor in real time, and visualize sound with a pro-grade toolkit designed for everyday noise checks and audio work. Features Accurate Noise Level Detection Instantly measure decibels (dB) in any environment. Live Audio Monitoring Real-time noise level meter with smooth, stable updates. Professional Calibration Calibrate to match certified sound meters or reference tones. Light & Dark Modes Pick the interface that fits your space. Detailed Noise History See min / max / average and trends over time. Advanced Spectrogram View Visualize frequencies and intensity—great as a simple voice meter and audio analyzer. Noise Exposure Tracking Auto-track exposure to help you stay within safe hearing limits. Perfect for musicians, audio techs, educators, and anyone needing a reliable noise level meter to measure decibels quickly. Upgrade to Pro Unlock unlimited noise history, advanced spectrogram view, full noise exposure tracking, and pro calibration tools. Plans Available: Weekly Plan – Full features, billed weekly Monthly Plan – Best value for regular use Annual Plan – Save more with a yearly subscription Cancel anytime in your iOS settings. Note: For best accuracy, calibrate in-app and consider an external microphone. Results are for reference; not for legal or compliance use. Privacy policy : https://sites.google.com/view/dbmeterprvplcy/home Term of use : https://sites.google.com/view/dbmetertermofuse/home

Screenshots

Kronos Fit4 screens
SPL Meter4 screens

Verdict

The call

The clearest difference is in-app purchases: Kronos Fit at none against SPL Meter's 3. Kronos Fit also leads on update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SPL Meter sells 3 in-app purchases, starting at $2.99 per 7 days. Kronos Fit asks for nothing beyond the download.

UpkeepUpdate frequency

Kronos Fit ships an update every 3 weeks, SPL Meter every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Kronos Fit versus SPL Meter: the parameters behind the verdict, then further details
ParameterKronos FitSPL Meter
PriceFreeFree
Rating—4.9 (14 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—14 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size114 MB32 MB
Age rating4+4+
DeveloperPortronicsCODIGITAL SOLUTIONS

In-app purchases

None

Kronos Fit

No in-app purchases

3 purchases

SPL Meter

Subscriptions3
  • Pro Access$2.997 Days
  • Pro Access$4.991 Month
  • Pro Access$29.991 Year

Questions

Is Kronos Fit free?
Kronos Fit is free to download, with no in-app purchases.
Is SPL Meter free?
SPL Meter is free to download, with in-app purchases available.
Do Kronos Fit or SPL Meter have ads?
Neither Kronos Fit nor SPL Meter shows ads.
Which is updated more often, Kronos Fit or SPL Meter?
Kronos Fit ships an update every 3 weeks, and SPL Meter every 2 months. Most recently, Kronos Fit was updated on November 3, 2026 and SPL Meter on October 30, 2026.

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