# Who Called Me vs Reverb Time Analyzer

The clearest difference is review sentiment: Reverb Time Analyzer at 100% against Who Called Me's 2%. Reverb Time Analyzer also leads on in-app purchases (none vs 1) and update cadence (every 8 months vs every 33 months). Who Called Me's advantage is price ($0.99 vs $6.99) and rating (1.3 vs 1.0). On ads and device support there is nothing between them.

Who Called Me costs $0.99 and Reverb Time Analyzer $6.99 up front. Who Called Me sells 1 one-off in-app purchase. Reverb Time Analyzer asks for nothing beyond the download.

Who Called Me holds the better App Store score, 1.3 against 1.0. That said, the two scores are not equally well evidenced: Who Called Me has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 2% of Who Called Me's written reviews are positive against 100% of Reverb Time Analyzer's, so the app with the better star average is not the one people write more warmly about.

Who Called Me ships an update every 33 months, Reverb Time Analyzer every 8 months. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Who Called Me | Reverb Time Analyzer |
| --- | --- | --- |
| Price | **$0.99** | $6.99 |
| Rating | **[1.3 (12 ratings)](https://appshunter.io/ios/app/who-called-me/id368906857/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/reverb-time-analyzer/id6497171936/reviews) |
| Number of ratings | **12** | 1 |
| Positive reviews | 1.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 8 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 3 MB | 1 MB |
| Requires iOS | **7.0** | 26.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LTS Inc.](https://appshunter.io/developer/356810796) | [TOON,LLC](https://appshunter.io/developer/633948723) |

## What reviewers say

### Who Called Me

[App page](https://appshunter.io/ios/app/who-called-me/id368906857)

Identify unknown callers by searching phone numbers. This app uses a comprehensive database, supplemented by social media and geo-data, to provide real results. Keep track of your search history directly within the application.

**Highlights:** Identify unknown callers, Comprehensive phone number database, Social media and geo-data integration, Search history tracking, Copy and paste number search

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4-credit search pack | $0.99 | one-time |

**What reviewers complain about**

- 💸 Misleading pricing/hidden charges
- 🚫 Does not work for UK numbers
- 🤷 No information provided
- ❌ Useless/worthless app
- 💰 Waste of money

**Reported bugs**

- App does not work
- Search found nothing
- Numbers come up Unknown
- Charged for searches
- App crashes constantly

**Requested features**

- Support for UK numbers
- Clearer pricing upfront
- Tutorial or help section
- Information on who called from 800 numbers
- Previous functionality restored


### Reverb Time Analyzer

[App page](https://appshunter.io/ios/app/reverb-time-analyzer/id6497171936)

This acoustic analysis tool measures room reverberation time using an interrupted noise method. It provides detailed analysis of sound decay, including RT30/RT20, RT60, and octave-band spectrograms. Ideal for optimizing listening environments and identifying acoustic issues.

**Highlights:** Reverberation time analysis (RT30/RT20, RT60), Interrupted noise method with white noise source, Octave-band spectrogram analysis, Background noise level measurement, Sound pressure level measurement, Sound recording and playback, Measurement error detection

**In-app purchases:** none


## Frequently asked questions

### Is Who Called Me free?

Who Called Me costs $0.99, and also offers in-app purchases.

### Is Reverb Time Analyzer free?

Reverb Time Analyzer costs $6.99, with no in-app purchases.

### Which has better reviews, Who Called Me or Reverb Time Analyzer?

Who Called Me is rated higher. Who Called Me averages 1.3 out of 5 from 12 ratings, while Reverb Time Analyzer averages 1.0 from 1 ratings.

### Do Who Called Me or Reverb Time Analyzer have ads?

Neither Who Called Me nor Reverb Time Analyzer shows ads.

### Which is updated more often, Who Called Me or Reverb Time Analyzer?

Who Called Me ships an update every 33 months, and Reverb Time Analyzer every 8 months. Most recently, Who Called Me was updated on November 6, 2026 and Reverb Time Analyzer on November 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*