# Sleep Talk Recorder vs Necrometer

The clearest difference is price: Sleep Talk Recorder at Free against Necrometer's $9.99. Sleep Talk Recorder also leads on rating (4.3 vs 2.7) and update cadence (monthly vs every 9 months). Necrometer's advantage is in-app purchases (none vs 4) and chart position (#14 vs unranked). On ads there is nothing between them.

Sleep Talk Recorder is free to download; Necrometer costs $9.99 up front. Sleep Talk Recorder sells 4 in-app purchases, starting at $4.99 per month. Necrometer asks for nothing beyond the download.

Sleep Talk Recorder holds the better App Store score, 4.3 against 2.7. That said, the two scores are not equally well evidenced: Sleep Talk Recorder has 2.7K ratings behind it against 271, so its average is the more settled of the two. Written reviews point the same way: 58% of Sleep Talk Recorder's written reviews are positive against 31% of Necrometer's.

Sleep Talk Recorder ships an update monthly, Necrometer every 9 months. Both last shipped on October 20, 2026.

## The numbers

| Metric | Sleep Talk Recorder | Necrometer |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.3 (2.7K ratings)](https://appshunter.io/ios/app/sleep-talk-recorder/id391767653/reviews)** | [2.7 (271 ratings)](https://appshunter.io/ios/app/necrometer/id1670762759/reviews) |
| Number of ratings | **2.7K** | 271 |
| Positive reviews | **57.8% of reviews** | 30.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#14** |
| Size | 32 MB | 174 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [THESTR AB](https://appshunter.io/developer/1534156706) | [BitPlague LLC](https://appshunter.io/developer/1119043156) |

## What reviewers say

### Sleep Talk Recorder

[App page](https://appshunter.io/ios/app/sleep-talk-recorder/id391767653)

This app records and analyzes sounds made during sleep, identifying speech and other noises. It helps users discover what they say or do while asleep, with features for filtering, organizing recordings, and sharing highlights.

**Highlights:** Records sleep talking, Advanced sound filtering, Timeline history of recordings, Sensitivity settings, Share funny clips, Favorites list

**Features:** Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all nights | $4.99 | per month |
| Unlock all nights | $29.99 | per year |
| Unlock all nights | $29.99 | per year |
| Unlock all nights | $3.99 | one-time |

**What reviewers like**

- 🚀 Great app
- 👍 Easy to use
- 🤣 Hilarious recordings
- 📊 Helpful for medical conditions
- 🔍 Interesting to hear sleep talk

**What reviewers complain about**

- 💰 Paywall for full access
- 🐛 Recordings stop unexpectedly
- 🔊 Poor playback volume
- 🔋 High battery consumption
- 🗑️ No option to delete recordings

**Reported bugs**

- Recordings disappearing after updates
- Categorization/sorting not working properly
- Activation button glitching or not working
- Long recordings with only background noise
- Incompatibility issues with newer iOS versions

**Requested features**

- Add ability to edit/trim recordings
- Improve noise filtering and sensitivity
- Allow exporting/backing up recordings
- Implement an automatic recording schedule
- Add an Apple Watch companion app


### Necrometer

[App page](https://appshunter.io/ios/app/necrometer/id1670762759)

**Currently charting:** #14 Top Paid · Utilities, #79 Top Paid (US App Store)

This app is designed for ghost hunters and paranormal investigators. It detects magnetic energy fluctuations and facilitates spirit communication through text and speech modes using AI-powered systems and audio effects. It aims to provide insights and messages from the other side.

**Highlights:** Magnetic energy detection meter, Text-based spirit communication, AI-powered speech generation, Customizable voice and audio effects, Access to over 60,000 words/phrases, Custom word list functionality

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🌟 Accurate responses
- 👍 Useful for paranormal investigations
- 🤖 Unique voice options

**What reviewers complain about**

- 🔇 Audio issues (no sound, language not in English)
- 🤖 Unreliable/inconsistent speech/text responses
- 💰 Overpriced for features provided
- 🔍 Lack of customization options

**Reported bugs**

- Audio not working on certain devices
- Random/irrelevant responses

**Requested features**

- Ability to save/review past session logs
- Multi-language support
- Custom word list functionality


## Frequently asked questions

### Is Sleep Talk Recorder free?

Sleep Talk Recorder is free to download, with in-app purchases available.

### Is Necrometer free?

Necrometer costs $9.99, with no in-app purchases.

### Which has better reviews, Sleep Talk Recorder or Necrometer?

Sleep Talk Recorder is rated higher. Sleep Talk Recorder averages 4.3 out of 5 from 2.7K ratings, while Necrometer averages 2.7 from 271 ratings.

### Do Sleep Talk Recorder or Necrometer have ads?

Neither Sleep Talk Recorder nor Necrometer shows ads.

### Which is updated more often, Sleep Talk Recorder or Necrometer?

Sleep Talk Recorder ships an update monthly, and Necrometer every 9 months. Most recently, Sleep Talk Recorder was updated on October 20, 2026 and Necrometer on October 20, 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.*