Comparison

Decibels Sound Level Meter vs ChlorCast

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

Head to head
About

Decibels Sound Level Meter

Features
Read full description

Sound Level Meter is an iOS tool for everyday environmental noise measurement—see levels in the field, keep a log, and share a polished Pro report when you need one. Features • Live A-weighted sound level with Fast / Slow time weighting • Session stats: energy-style average (LAeq) and peak (LAmax-style) • Acoustic calibration offset to align with a reference source • History with custom titles and optional location notes • Export CSV / JSON and Pro PDF measurement reports • Education: hearing & decibels, typical noise level ranges Good for Home and office background noise, street/neighbor logging, DIY checks around renovations or equipment, quick reference notes and sharing. Disclaimer Readings are estimated from the phone microphone and software. Results vary with device, mic sensitivity, handling, wind, reflections, and calibration. Outputs are for personal reference, logging, and sharing only—not legal metrology, certified lab reports, or compliance determinations. Use a calibrated standard sound level meter and qualified professionals when precision matters.

About

ChlorCast

This app simplifies pool care by logging water tests, providing chemistry guidance, and forecasting chlorine levels. It helps users understand their pool's needs and maintain balanced water with practical, actionable advice.

Highlights
  • Log quick and full chemistry tests
  • Get chemistry fix recommendations
  • Forecast chlorine loss with weather data
  • Track test history and water changes
  • Manage chemical inventory
  • Set maintenance reminders
Features
Read full description

ChlorCast helps you stay ahead of water problems by combining fast test logging, clear chemistry guidance, chlorine forecasting, and maintenance tracking in one simple app. Whether you want a quick daily chlorine and pH check or a full chemistry snapshot, ChlorCast helps you understand your pool and know exactly what to do next. With every test you log, ChlorCast turns your readings into practical next steps. Instead of leaving you with numbers alone, the app highlights what needs attention, estimates chemical adjustments, and helps you keep your water balanced with more confidence. Weather-aware chlorine forecasting also helps you prepare for days when heat, sun, and rain may drive chlorine down faster than usual. ChlorCast is designed for real-world pool ownership, not just calculations. It gives you a current water snapshot, tracks test history over time, helps you monitor chemical inventory, and keeps useful pool-side references close at hand. The result is a cleaner, more organized way to manage your pool all season long. Features: • Log quick tests for free chlorine and pH • Record full chemistry tests including FC, pH, CC, TA, CH, CYA, and temperature • Get fix recommendations based on your latest readings • See when water needs attention and what action to take next • Forecast chlorine loss using weather conditions and upcoming trends • Track test history and monitor changes over time • View a current water health snapshot and seasonal metrics • Manage chemical inventory and estimated chemical costs • Keep maintenance records in one place • Use built-in conversion references while testing pool-side • Set reminders for quick tests, full tests, and forecast-driven chlorine checks ChlorCast is built to help pool owners stay proactive, reduce uncertainty, and spend less time guessing at water care. From daily upkeep to longer-term chemistry trends, it gives you a clearer picture of your pool and a better plan for keeping it swim-ready. If you want a smarter way to test, track, forecast, and maintain your pool water, ChlorCast is ready to help.

Screenshots

Decibels Sound Level Meter3 screens
ChlorCast3 screens

Verdict

The call

The clearest difference is price: ChlorCast at Free against Decibels Sound Level Meter's $0.99. Decibels Sound Level Meter's advantage is iOS requirement (17 vs 26.0). On ads, in-app purchases and device support 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

ChlorCast is free to download; Decibels Sound Level Meter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Decibels Sound Level Meter versus ChlorCast: the parameters behind the verdict, then further details
ParameterDecibels Sound Level MeterChlorCast
Price$0.99Free — better
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 8 days
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhoneiPhone, iPad — better
Requires iOS17 — better26.0
Further details — not scored
Size1 MB6 MB
Age rating4+4+
DeveloperNAICAI LISean OBrien

In-app purchases

None

Decibels Sound Level Meter

No in-app purchases

None

ChlorCast

No in-app purchases

Questions

Is Decibels Sound Level Meter free?
Decibels Sound Level Meter costs $0.99, with no in-app purchases.
Is ChlorCast free?
ChlorCast is free to download, with no in-app purchases.
Do Decibels Sound Level Meter or ChlorCast have ads?
Neither Decibels Sound Level Meter nor ChlorCast shows ads.

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