Segment Timer vs AcousticCheck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Segment Timer
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The SEGMENT AND MULTI-PURPOSE TIMER has four digit LED segment timer viewable up to 300 feet away. It can program up to 99 segments between 1 second and 99 minutes, 59 seconds by the remote or this free Smartphone app via Bluetooth. This app can preset the timer and synchronize to it. And the app can control 4 modes and change the font.
AcousticCheck
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With AcousticCheck, the reverberation time (RT60) can be measured simple, fast and with high accuracy - even by people without acoustic expertise. AcousticCheck includes the following features for a smooth measurement experience: - Reverberation time measurement by impulse or sweep method - Up to nine consecutive measurements per measurement run for the most accurate results possible - Simple tutorial and guided measurement instructions - Detailed result display: Reverberation time on average and in octaves⁺ (chart, table) - Save measurement results for individual rooms or whole projects⁺ - Save and Share the measurement results as a chart and table⁺ - In-depth support⁺ Additional features for advanced and expert users: - Customizable room size (particularly helpful for measurements in larger rooms)⁺ - Adjustable start delay for impulse measurements⁺ - Save and Share results in CSV format (full measurement results, average reverberation times, correlation coefficient rT20 & signal-to-noise ratio SNR included)⁺ - Information on the room and additional notes can be added to the result export - Photos can be added to the result export - Optional export of impulse responses as WAV files⁺ ⁺only included in AcousticCheck Plus This app does not collect, use, store or transfer personal data. With your permission, Apple collects app analytics to help developers improve their apps. For more information, see the links below. Apple Privacy Policy: https://www.apple.com/privacy/ Apple EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: Segment Timer at 8.0 against AcousticCheck's 16.6. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Segment Timer ships an update every 3 months, AcousticCheck every 4 months. The most recent releases landed on September 29, 2026 and October 13, 2026 respectively.
| Parameter | Segment Timer | AcousticCheck |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 19 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | 天俊 刘 | rosenbinder UG |
In-app purchases
Segment Timer
No in-app purchases
AcousticCheck
No in-app purchases
Questions
Is Segment Timer free?
Is AcousticCheck free?
Do Segment Timer or AcousticCheck have ads?
Which is updated more often, Segment Timer or AcousticCheck?
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