Lighting Check vs SignalGen31
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Lighting Check
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Having correct light intensity in a cattle is very crucial in maximising the financial gain. This app measures this using the light sensors in the camera of phone. Lighting Check app provides a set of standards for various locations in a cattle farm, to help the farmer have a better understanding that on each location how the lighting of the area is close to standard or not. The accuracy of this app is in direct relation with the quality of the camera of your phone. Thus, newer iPhones could provide more accurate reading of the lighting intensity. In order to maximise the quality of the output, this app only uses the camera of the back of your iPhone.
SignalGen31
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SignalGen31 is a powerful signal generator application designed for audio testing, Bluetooth device communication, and educational purposes. KEY FEATURES: ⢠Multiple Waveform Types: Sine, Square, Triangle, and Sawtooth ⢠Precise Parameter Control: Frequency (1-10,000 Hz), Amplitude, Phase, and Offset ⢠Real-time Waveform Visualization ⢠Bluetooth LE Server Mode for wireless communication ⢠Audio Output Support ⢠Clean, modern interface with neon-themed design TECHNICAL SPECIFICATIONS: ⢠Frequency Range: 1 Hz to 10 kHz ⢠Amplitude Control: 0.1V to 10V ⢠Phase Control: 0° to 360° ⢠DC Offset: -5V to +5V PERFECT FOR: ⢠Audio equipment testing ⢠Bluetooth device development ⢠Educational demonstrations ⢠Sound system calibration ⢠Electronic prototyping ⢠Signal processing experiments "You can use the app 5 times for free. After that, you will be directed to the purchase screen." Whether you're an audio engineer, electronics enthusiast, or student, SignalGen31 provides the tools you need for precise signal generation and transmission.
Screenshots
Verdict
The clearest difference is update cadence: SignalGen31 at every 2 months against Lighting Check's every 5 months. SignalGen31 also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Lighting Check sells 1 one-off in-app purchase and SignalGen31 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Lighting Check ships an update every 5 months, SignalGen31 every 2 months. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.
| Parameter | Lighting Check | SignalGen31 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 2 months ā better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod ā better |
| Requires iOS | 17.0 | 13.0 ā better |
| Further details ā not scored | ||
| Size | 10 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Hassan Chizari | Dogukan Beyzade |
In-app purchases
Lighting Check
- Unlock All$5.99
SignalGen31
- Lifetime Premium$4.99
Questions
Is Lighting Check free?
Is SignalGen31 free?
Do Lighting Check or SignalGen31 have ads?
Which is updated more often, Lighting Check or SignalGen31?
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