# eDocReader vs Echo Time Voice Assistant

The clearest difference is in-app purchases: eDocReader at none against Echo Time Voice Assistant's 3. eDocReader also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). Echo Time Voice Assistant's advantage is update cadence (every 4 days vs every 4 months). On price and ads there is nothing between them.

Both are free to download. Echo Time Voice Assistant sells 3 in-app purchases, starting at $2.99 per month. eDocReader asks for nothing beyond the download.

eDocReader ships an update every 4 months, Echo Time Voice Assistant every 4 days. The most recent releases landed on September 12, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | eDocReader | Echo Time Voice Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/edocreader/id433847604/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 94.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 13 MB | 7 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NIPPON INFORMATION CO.,LTD.](https://appshunter.io/developer/396358322) | [Echo Time SIA](https://appshunter.io/developer/1848583256) |

## What reviewers say

### eDocReader

[App page](https://appshunter.io/ios/app/edocreader/id433847604)

Organize and annotate PDF documents with a tabbed interface and bookmarking features. Collaborate in real-time with paperless meetings, synchronizing viewing and drawings across multiple devices.

**Highlights:** Tabbed PDF interface, Page bookmarking, Thumbnail view, Drawing and text annotation, Magnifier mode, Paperless meeting synchronization, Connect up to 8 devices

**Features:** Vision Pro support

**In-app purchases:** none


### Echo Time Voice Assistant

[App page](https://appshunter.io/ios/app/echo-time-voice-assistant/id6754512934)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $2.99 | per month |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is eDocReader free?

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

### Is Echo Time Voice Assistant free?

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

### Do eDocReader or Echo Time Voice Assistant have ads?

Neither eDocReader nor Echo Time Voice Assistant shows ads.

### Which is updated more often, eDocReader or Echo Time Voice Assistant?

eDocReader ships an update every 4 months, and Echo Time Voice Assistant every 4 days. Most recently, eDocReader was updated on September 12, 2026 and Echo Time Voice Assistant on September 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.*