Comparison

NonPry vs FFT Analyzer

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

Head to head
About

NonPry

This communication solution offers the highest level of data protection and encryption for private conversations. It provides secure VoIP calls and messaging, with features like green servers and customizable settings for enhanced privacy.

Highlights
  • Highest level of data protection and encryption
  • US HIPAA Verified phone system
  • Secure SIP-based VoIP calls
  • Encrypted messaging for texts, images, and documents
  • Green energy powered communication servers
  • High customizability for user preferences
  • HD quality audio calls
Read full description

If you have nothing to hide but a lot to protect, NonPry is the right communication solution for you. What is NonPry? Private Mobile Phone System NonPry provides you a solution for communication with the highest level of data protection and encryption available as of today. US HIPAA Verified phone system. As a secure - SIP-based - VoIP application, NonPry enables you to communicate over the internet or to make calls to regular phone networks while preserving your privacy. It is for everyone who cares about keeping their conversation and data private and secure. Complete security Your calls, messages, and sent documents are unbreakable, thanks to the use of the highest level of encryption available today. Complete privacy The NonPry platform does not use your personal information, even more, your conversations will not be saved. In order to do this, we have authority permission. Green servers We are committed to reducing our impact on the environment. That is why we use communication servers powered by green energy. Worldwide solution You can make calls to more than 170 areas of the world, both mobile and landline, at great rates. High customizability Nonpry is a very easy-to-use system, but highly configurable - for example, you can turn off the autoconnection to car handsfree. Reasonable pricing Private, highly secured communication with your business partners and with your family. Heavily encrypted calls NonPry uses SRTP-TLS in order to make your calls undecryptable and uninterceptable. HD quality audio The quality of audio calls is crystal clear. For international, overseas calls, it’s like being next to your colleague, your family. Use of regular number There is an option for requiring regular incoming phone numbers, which will enable your partners to call you with local calling rates, no matter where you are located in the world. Conference calls Hassle-free conference calls from anywhere in the world - which is free between NonPry users! Highly configurable Call forwarding to any mobile or landline number? Combine different devices to one regular phone number? Not a problem! With NonPry you have a secure, but highly configurable phone system. VoIP desktop phone Our government-level security system, PPCrypt desktop phone solution, is also available to you. Learn more Encrypted messaging All of your images, documents and text messages sent to other NonPry users are not only heavily secured, but arrives through a special secure channel. Push notification Although NonPry is an isolated system on your phone, it notifies you immediately of the arrival of messages, like other not-so-isolated platforms. Disabled read receipts We believe that the time of reading and replying to received messages is our sovereign right. NonPry does not notify nethier you nor your partner about reading status of messages. Unsaved communication Our communication servers are only used to provide you the communication channel, the ecosystem does not keep your communication. Mistake-proof interface Sending an image or a document accidently can cause an unconfortable situation, or simply a big problem. To avoid these situation, we put these functions in a submenu. Group messaging (soon) Languages: English, Arabic, Bulgarian, Czech, Danish, Dutch, French, German, Hebrew, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Thai, Traditional Chinese, Turkish Please help us improve our application. Every feedback is welcome.

About

FFT Analyzer

Features
Read full description

FFT Analyzer is a powerful real-time spectrum analyzer for iPhone. It visualizes audio signals as a detailed frequency spectrum and waveform while presenting important measurements clearly. In addition to live microphone analysis, you can import and examine audio and video files from the Files app or Photo Library. Control playback directly from the waveform while the spectrum and measurements are recalculated for the current position. Key features: - Real-time FFT analysis using the microphone - Analysis of local audio and video files - Import from Files and Photo Library - Open compatible media directly from other apps - Interactive waveform with position slider - Play, pause, stop, and skip controls - Peak, RMS, and clipping indicators - Detection of dominant frequencies - Adjustable frequency and decibel ranges - Linear, logarithmic, and octave-based frequency axes - FFT bars, spectrum trace, and combined display - Waterfall and oscilloscope displays - Persistence, peak hold, and other visual effects - Customizable landscape layout - Extensive smoothing and level behavior settings - User interface in 18 languages File analysis also provides information such as duration, sample rate, channel count, peak values, and prominent frequency regions. Analysis remains synchronized with playback so you can inspect individual sections precisely. FFT Analyzer is designed for musicians, audio engineers, producers, educators, students, and anyone who wants to visualize and better understand audio signals. Processing takes place directly on your iPhone for fast and independent audio analysis tailored to the current signal. Export and reports Analysis results can be exported as a CSV file. The export includes the app version and a timestamp, file details and metadata, technical audio data, overall RMS, peak, and dynamic range values, dominant frequencies, detected findings, and time-based RMS, peak, and frequency values for each analysis frame.

Screenshots

NonPry4 screens
FFT Analyzer4 screens

Verdict

The call

The clearest difference is price: NonPry at Free against FFT Analyzer's $4.99. On update cadence, 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

NonPry is free to download; FFT Analyzer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

NonPry ships an update every 3 months, FFT Analyzer every 4 months. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

Scorecard1 real difference · 9 level
NonPry versus FFT Analyzer: the parameters behind the verdict, then further details
ParameterNonPryFFT Analyzer
PriceFree — better$4.99
Rating5.0 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone
Requires iOS16.0 — better17.6
Further details — not scored
Size114 MB3 MB
Age rating17+4+
DeveloperPTECHNOLOGY SRLKurenz Music GbR

In-app purchases

None

NonPry

No in-app purchases

None

FFT Analyzer

No in-app purchases

Questions

Is NonPry free?
NonPry is free to download, with no in-app purchases.
Is FFT Analyzer free?
FFT Analyzer costs $4.99, with no in-app purchases.
Do NonPry or FFT Analyzer have ads?
Neither NonPry nor FFT Analyzer shows ads.
Which is updated more often, NonPry or FFT Analyzer?
NonPry ships an update every 3 months, and FFT Analyzer every 4 months. Most recently, NonPry was updated on October 7, 2026 and FFT Analyzer on October 16, 2026.

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