# Echo vs Seyfert Networks

The clearest difference is in-app purchases: Seyfert Networks at none against Echo's 2. Seyfert Networks also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Echo sells 2 in-app purchases, starting at $3.99 per 7 days. Seyfert Networks asks for nothing beyond the download.

Echo ships an update every 6 weeks, Seyfert Networks every 3 months. The most recent releases landed on November 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Echo | Seyfert Networks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (77 ratings)](https://appshunter.io/ios/app/echo-voice-notes-and-ai-diary/id1579227241/reviews)** | — |
| Number of ratings | **77** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 32 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Konstantin Zarubin](https://appshunter.io/developer/1559549378) | [FineSoft Technologies](https://appshunter.io/developer/1218720826) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-voice-notes-and-ai-diary/id1579227241)

Effortlessly convert spoken words into text with this app. Record meetings, lectures, or voice notes and get instant summaries. Supports multiple languages and prioritizes user privacy by storing data locally.

**Highlights:** Voice-to-text transcription, Record meetings and lectures, Summarize recordings, Import audio files, Multilingual support, Local data storage

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access (Weekly) | $3.99 | per 7 days |
| Full Access (Annual) | $24.99 | per year |


### Seyfert Networks

[App page](https://appshunter.io/ios/app/seyfert-networks/id6747255482)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Echo free?

Echo is free to download, with in-app purchases available.

### Is Seyfert Networks free?

Seyfert Networks is free to download, with no in-app purchases.

### Do Echo or Seyfert Networks have ads?

Neither Echo nor Seyfert Networks shows ads.

### Which is updated more often, Echo or Seyfert Networks?

Echo ships an update every 6 weeks, and Seyfert Networks every 3 months. Most recently, Echo was updated on November 3, 2026 and Seyfert Networks on October 4, 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.*