Comparison

Stacked vs Noise Level Meter

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

Head to head
About

Stacked

Features
Read full description

Stacked turns your phone into a fast, clean document scanner built for everyday use. Scan anything in seconds, edit with precision, and export your files exactly how you need them — all in a simple, distraction-free interface. Whether you're organizing notes, saving receipts, or scanning multiple pages at once, Stacked keeps everything smooth and efficient. Scan Smarter Capture high-quality scans using your camera. Automatically detect pages and enhance them for a clean, readable result. Perfect for scanning: • Documents • Notes • Receipts • Contracts • IDs • Any paper you need to digitize Batch Scan with Ease Scan multiple pages in one go and keep everything organized in a single stack. No need to scan one page at a time, build full documents effortlessly. Edit and Customize Crop, adjust, and fine-tune your scans. Reorder pages, delete unwanted ones, and create polished documents in seconds. Export Your Way Save your scans as PDFs or images. Share or store them wherever you want with just a few taps. Private by Design Hide sensitive documents and protect them using Face ID. Keep your personal files secure and accessible only to you. Simple, Fast, Stacked. Support: support@pullapps.app Privacy Policy: https://pullapps.app/privacy-policy-stacked Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Noise Level Meter

This app transforms your iPhone into a sophisticated sound level meter and frequency analyzer. It offers instant decibel readings, detailed spectrum analysis, and the ability to save and export measurement sessions. Designed for various everyday uses, it provides clear and beautiful sound measurement.

Highlights
  • Live decibel meter
  • FFT spectrum analyzer
  • Octave-band visualization
  • Record measurement sessions
  • Export PDF reports
  • Calibration offset
Features
Read full description

SoundScope turns your iPhone into a polished sound level meter and frequency analyzer—built for quick, clear measurements with a premium dark interface. MEASURE SOUND INSTANTLY • Live decibel meter with a responsive circular gauge • A, C, and Z frequency weightings • Peak hold and real-time level readout • Calibration offset for relative accuracy SEE THE FREQUENCY SPECTRUM • Live FFT spectrum analyzer • Octave-band visualization • Dominant frequency detection SAVE AND REVIEW SESSIONS • Record measurement sessions to History • Session detail charts for min, max, and average levels • Optional location tags for sessions • Export PDF reports and share with the system share sheet DESIGNED FOR EVERYDAY USE Whether you're checking apartment noise, dialing in a home theater, practicing music, or just curious about the sound around you—SoundScope makes measurement simple and beautiful. Note: SoundScope is a consumer sound analysis tool and is not a substitute for a calibrated laboratory SPL meter. Privacy Policy: https://storepal.app/soundscope/privacy Terms of Use: https://storepal.app/soundscope/terms

Screenshots

Stacked4 screens
Noise Level Meter4 screens

Verdict

The call

The clearest difference is in-app purchases: Stacked at none against Noise Level Meter's 3. Stacked also leads on update cadence (every 3 days vs weekly). Noise Level Meter's advantage is iOS requirement (18.0 vs 26.0). On price, ads 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

Both are free to download. Noise Level Meter sells 3 in-app purchases, starting at $3.99 per 7 days. Stacked asks for nothing beyond the download.

UpkeepUpdate frequency

Stacked ships an update every 3 days, Noise Level Meter weekly. Both last shipped on October 31, 2026.

Scorecard3 real differences · 6 level
Stacked versus Noise Level Meter: the parameters behind the verdict, then further details
ParameterStackedNoise Level Meter
PriceFreeFree
Rating—3.8 (4 ratings) — better
Number of ratings—4 — better
Update frequencyEvery 3 days — betterWeekly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS26.018.0 — better
Further details — not scored
Size15 MB18 MB
Age rating4+4+
DeveloperPull AppsKostiantyn Liubevych

In-app purchases

None

Stacked

No in-app purchases

3 purchases

Noise Level Meter

Subscriptions2
  • Weekly Plan$3.997 Days
  • Annual Plan$29.991 Year
One-time1
  • Spectroid Lifetime$49.99

Questions

Is Stacked free?
Stacked is free to download, with no in-app purchases.
Is Noise Level Meter free?
Noise Level Meter is free to download, with in-app purchases available.
Do Stacked or Noise Level Meter have ads?
Neither Stacked nor Noise Level Meter shows ads.
Which is updated more often, Stacked or Noise Level Meter?
Stacked ships an update every 3 days, and Noise Level Meter weekly. Most recently, Stacked was updated on October 31, 2026 and Noise Level Meter on October 31, 2026.

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