Spectrum vs UnisCharge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spectrum
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Turn your iPhone or iPad into a professional audio tool. Spectrum-V lets you measure, visualize, and explore sound with precision — perfect for musicians, audio engineers, and enthusiasts. Key Features • Waveform Analyzer – Monitor live audio waveforms directly from the microphone. • Spectrum Analyzer (FFT) – View frequency distribution with a fast and colorful FFT spectrum. • Spectrogram (Waterfall) – Explore sound energy over time with a vivid spectrogram display. • dB Meter – Check sound levels instantly with a responsive decibel meter (dBFS). • Tuner – Detect pitch and musical notes in real time — great for guitar, vocals, or any instrument. Spectrum-V combines simplicity with powerful analysis tools, making it easy to visualize sound whether you’re practicing music, testing acoustics, or just exploring the audio world.
UnisCharge
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EV charging control and monitoring app. Take charge of your electric vehicle with ease, managing and tracking your charging stations on the go.
Screenshots
Verdict
The clearest difference is price: UnisCharge at Free against Spectrum's $5.99. UnisCharge also leads on in-app purchases (none vs 1). On update cadence, 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
UnisCharge is free to download; Spectrum costs $5.99 up front. Spectrum sells 1 one-off in-app purchase. UnisCharge asks for nothing beyond the download.
Spectrum ships an update every 2 weeks, UnisCharge every 9 days. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.
| Parameter | Spectrum | UnisCharge |
|---|---|---|
| Price | $5.99 | Free — better |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 10 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Victor Serov | UNIS Telekom d.d. Mostar |
In-app purchases
Spectrum
- Pro version$0.99
UnisCharge
No in-app purchases
