246+ iOS apps curated and reviewed
Out of 246+ test signal generator apps on iOS, 14 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.0★ (1) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.7★ (2.2K) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.7★ (30) | No | Yes | Oct 2026 | |
| 4 |  | $0.99 | 4.6★ (10) | No | No | Oct 2026 | |
| 5 |  | $8.99 | 3.3★ (3) | No | No | Oct 2026 | |
| 6 |  | $9.99 | 4.8★ (269) | No | No | Oct 2026 | |
| 7 |  | Free | — | — | No | Oct 2026 | |
| 8 |  | Free | — | No | No | Jun 2026 |
Generate professional broadcast-style test patterns for displays, projectors, and video workflows. Validate signal chains, troubleshoot streaming, and prepare live productions with various industry-standard patterns and guides.
Generate various audio test tones, including sine, square, triangle, and sawtooth waves. Explore frequency and volume sweeps, noise generation, and custom preset creation. Advanced features like extended frequency ranges and multi-tone playback are available with an upgrade.
Transform your mobile device into a dual-channel signal generator for sound and audio electric signals. Offers a wide variety of waveform types and customizable parameters like amplitude, frequency, and phase. Ideal for professionals and hobbyists for signal generation and circuit measurement.
