Live Spectrogram vs Item Checklist
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Live Spectrogram
Visualize sound frequencies in real-time with this tool. It displays audio intensity across time and frequency using color, helping you perfect singing, analyze animal calls, or locate household noises.
- Real-time audio visualization
- Frequency analysis
- Time-based spectrum display
- Intensity shown by color
- Singing voice perfection
- Animal call analysis
- Sound source identification
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Visualize audio with this handy tool. It displays the frequencies of sound around you over time. The horizontal axis is time, the vertical is frequency, and the intensity of frequencies is shown using pretty shades of red. Use it to: Perfect your singing voice Analyze the call of animals Identify and locate annoying sounds around your house Learn about the world of frequency analysis I hope you enjoy this handy little tool!
Item Checklist
Create and manage multiple customizable checklists with colors, icons, and photos for each item. View your checklist status with widgets and on your lock screen, and sync with your Apple Watch.
- Multiple customizable checklists
- Colors and icons for checklists
- Photos for check items
- Widget for status checking
- Lock screen status checking
- Apple Watch management
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A simple checklist app - Create multiple checklists - Colors and icons can be set for the checklist - You can set a photo for the check item. - You can check the check status of the list with the widget - You can check the check status on the lock screen - You can manage the list with AppleWatch There is a slight time lag in the reflection to the AppleWatch complication
Screenshots
Verdict
The clearest difference is review sentiment: Live Spectrogram at 63% against Item Checklist's 0%. Live Spectrogram also leads on rating (4.8 vs 2.0) and ratings volume (6 vs 1). On price, update cadence, ads and in-app purchases 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
Live Spectrogram costs $1.99 and Item Checklist $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Live Spectrogram holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Live Spectrogram has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 63% of Live Spectrogram's written reviews are positive against 0% of Item Checklist's.
Live Spectrogram ships an update every 31 months, Item Checklist every 38 months. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.
| Parameter | Live Spectrogram | Item Checklist |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | 4.8 (6 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 62.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 31 months — better | Every 38 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 15 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Krueger Systems, Inc. | Kouichi INAFUKU |
Customer experience
Live Spectrogram
Item Checklist
In-app purchases
Live Spectrogram
No in-app purchases
Item Checklist
No in-app purchases
Questions
Is Live Spectrogram free?
Is Item Checklist free?
Which has better reviews, Live Spectrogram or Item Checklist?
Do Live Spectrogram or Item Checklist have ads?
Which is updated more often, Live Spectrogram or Item Checklist?
Other comparisons
