Spectroslide app icon

Apps Like Spectroslide for iPhone and iPad

by Eric Hamiter★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06

Ranked alternatives

Showing 281–300 of 1,000 ranked alternatives.

  1. GuitarTuner - Tuner for Guitar app icon

    GuitarTuner - Tuner for Guitar

    Hsing-Fu Hsueh

    Tune instruments with pitch feedback

    Allows users to adjust and calibrate instrument pitches. Select frequency and tuning settings. Display pitch for each string indicating signal high or low. Calibrate piano sound using an open string. Adjust A4 frequency between 428 and 452.

    ★ 3.826 ratingsMusicFreeData updated 2026-09-13
  2. FaceClock Calendar app icon

    FaceClock Calendar

    iReka Soft

    Analogue clock with calendar features.

    The app displays an analogue clock with a calendar. Users can set alarms, add pictures as backgrounds, and tap the clock to hear the time.

    ★ 4.132 ratingsUtilitiesFreeData updated 2026-09-20
  1. MandolinTuner - Tuner Mandolin app icon

    MandolinTuner - Tuner Mandolin

    Hsing-Fu Hsueh

    Tune instruments with precision and noise filtering

    Tune instruments with auto noise filtering. Select frequency and tuning settings. Display pitch for each string as high or low. Calibrate piano sound using an open string. Adjust A4 frequency between 428 and 452.

    ★ 4.125 ratingsMusicFreeData updated 2026-09-14
  2. DRAW 4 FREE app icon

    DRAW 4 FREE

    Indigo Penguin Limited

    On screen, change colors, save and share

    On the screen by touching and moving fingers. Choose from multiple colors and adjust brush size. Set custom background colors or over photos. Save drawings to the photo library and email them to others.

    ★ 3.568 ratingsUtilitiesFreeData updated 2026-09-08
  3. SpeakerTools: Sound Toolkit app icon

    SpeakerTools: Sound Toolkit

    Yury Lipnitski

    Test speaker output and ambient noise

    Check speaker and monitor quality with real-time noise measurement and frequency analysis. Generate custom frequencies for testing. Adjust audio settings to enhance clarity. Access soothing sounds for relaxation.

    ★ 4.568 ratingsUtilitiesFreeData updated 2026-09-06
  4. Pure Web Browser app icon

    Pure Web Browser

    Prasomsak Khunmuen

    Browse faster with dark mode and tabs

    Allows users to browse the internet with dark mode, dynamic or static dark style options, and tabbed browsing. Swipe gestures enable navigation. Users can access private browsing, block ads, and manage passwords for enhanced security.

    ★ 4.361 ratingsUtilitiesFreeData updated 2026-09-13
  5. BassTuner - Tuner Bass Guitar app icon

    BassTuner - Tuner Bass Guitar

    Hsing-Fu Hsueh

    Tune instruments with precise pitch feedback

    Allows users to adjust and calibrate instrument pitches. Select frequency and tuning settings. Display pitch for each string with high or low indicators. Calibrate piano sound by clicking open strings. Adjust A4 frequency between 428 and 452 Hz.

    ★ 3.923 ratingsMusicFreeData updated 2026-09-14
  6. Godafoss Audio Spectrum Waterfall QRSS CW FSKCW app icon

    Godafoss Audio Spectrum Waterfall QRSS CW FSKCW

    Black Cat Systems

    View audio spectrum waterfall signals easily.

    The app displays an audio spectrum waterfall for signals like QRSS CW and FSKCW. Users can adjust frequency ranges, audio levels, FFT size, and window types.

    ★ 4.24 ratingsUtilities$2.99Data updated 2026-11-09
  7. Clear Waves - Sound Generator app icon

    Clear Waves - Sound Generator

    Paula Jeff

    Generate with frequency control

    Generate tone sounds with adjustable frequency settings from 160Hz to 20000Hz. Use slider or numeric input to set frequency. Play the selected tone. Test hearing by listening to different frequencies.

    ★ 4.316 ratingsUtilitiesFreeData updated 2026-09-06
  8. Clock Widget - Funky Colors app icon

    Clock Widget - Funky Colors

    Alan Mrvica

    See time, date, and battery on home

    Display current time, date, day of the week, and battery percentage on home screen. Customize and themes with multiple background and font options. Choose from three sizes. Add to home screen and update as needed. Requires iOS 14.

    ★ 4.055 ratingsUtilitiesFreeData updated 2026-10-05
  9. Modus: Metronome app icon

    Modus: Metronome

    forScore, LLC

    Set tempo, adjust beats, start playing

    Set tempo by typing, adjusting dial, or tapping. Use audible, visual, or combined modes. Track beats with precision. Adjust timing settings. Sync with Apple Health for workout tracking.

    ★ 3.65 ratingsMusic$0.99Data updated 2026-09-08
  10. CalculateRetro app icon

    CalculateRetro

    Hannes Sverrisson

    Calculate, save, and share results

    Perform calculations with a dedicated calculator. Save and share calculation history via PDF or email. Use dark mode and access the through Today View. Sync with Apple Watch for on-the-go use.

    ★ 4.515 ratingsBusiness$1.99Data updated 2026-09-08
  11. AudioTest app icon

    AudioTest

    Katsura Shareware

    Generate and save audio test signals.

    The app generates audio test signals including sine, triangle, sawtooth, square, pulse, and various noise types. It supports fixed and sweep frequencies and levels, with adjustable phase shift and multiple sample rates and bit depths.

    ★ 0.00 ratingsUtilities$4.99Data updated 2026-09-30

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.