Tone Generator vs CZ Revisioni
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tone Generator
Generate various audio tones like sine, square, sawtooth, and triangle waves across a wide frequency range. Adjust frequencies by swiping and utilize built-in features for fun hearing tests or to clean your device's speaker.
- Sine, square, sawtooth, triangle wave generation
- Adjustable frequency via swipe
- Built-in hearing test sweep
- Speaker cleaning function
- Large frequency range
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Tone Generator generates sine, square, sawtooth and triangle tone at a large frequency range. Frequency of the tones can be adjusted by swiping up or down on the screen. Tone Generator has a built-in feature to quickly sweep frequency of a sine tone to test your hearing. This feature is purely for fun and should not be used for any diagnostics. Tone Generator can also help remove dust and water from device's speakerphone by playing tones at various frequencies.
CZ Revisioni
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CZ Revisioni ti aiuta a non dimenticare mai la scadenza della revisione del tuo veicolo. Aggiungi i tuoi veicoli, imposta la data di scadenza della revisione e ricevi notifiche push automatiche 30, 7 e 1 giorno prima — così arrivi sempre preparato. FUNZIONALITÀ PRINCIPALI • Gestione multipla di veicoli (auto, moto, furgoni) • Promemoria automatici per revisione e assicurazione • Tracciamento manutenzioni (olio, filtri, pneumatici e altro) • Scheda veicolo con targa, anno, chilometri e note • Contatto diretto con l'officina CZ Service • Prenotazione revisione con un tap Sviluppata in collaborazione con CZ Service di Castelnuovo Rangone (MO).
Screenshots
Verdict
The clearest difference is in-app purchases: CZ Revisioni at none against Tone Generator's 1. CZ Revisioni also leads on ads (none vs shown) and update cadence (daily vs every 4 months). On price, 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
Both are free to download. Tone Generator sells 1 one-off in-app purchase. CZ Revisioni asks for nothing beyond the download.
Tone Generator ships an update every 4 months, CZ Revisioni daily. The most recent releases landed on October 29, 2026 and October 3, 2026 respectively.
| Parameter | Tone Generator | CZ Revisioni |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (139 ratings) — better | — |
| Positive reviews | 84.1% of reviews | — |
| Number of ratings | 139 — better | — |
| Update frequency | Every 4 months | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Tevfik Yucek | DOMENICO CASTALDO |
In-app purchases
Tone Generator
- Remove Advertisements$2.99
CZ Revisioni
No in-app purchases
Questions
Is Tone Generator free?
Is CZ Revisioni free?
Do Tone Generator or CZ Revisioni have ads?
Which is updated more often, Tone Generator or CZ Revisioni?
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