# 助记词密盒 vs EchoPrompt

助记词密盒 and EchoPrompt both sit at 5.0 stars, but that hides the real split: 100% of EchoPrompt's written reviews are positive against 50% of 助记词密盒's. EchoPrompt also leads on price (Free vs $9.99) and update cadence (weekly vs every 19 months). 助记词密盒's advantage is in-app purchases (none vs 3). On rating, ratings volume, ads and device support there is nothing between them.

EchoPrompt is free to download; 助记词密盒 costs $9.99 up front. EchoPrompt sells 3 in-app purchases, starting at $5.99 per month. 助记词密盒 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 助记词密盒 against 5.0 for EchoPrompt. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 50% of 助记词密盒's written reviews are positive against 100% of EchoPrompt's.

助记词密盒 ships an update every 19 months, EchoPrompt weekly. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 助记词密盒 | EchoPrompt |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id1635052866/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/echoprompt/id6758967070/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Weekly** |
| Monetization | Paid | **Ad-supported** |
| Size | 2 MB | 12 MB |
| Requires iOS | **13.0** | 13.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [思语 明](https://appshunter.io/developer/1522214627) | [瑞华 张](https://appshunter.io/developer/1608130007) |

## What reviewers say

### 助记词密盒

[App page](https://appshunter.io/ios/app/id1635052866)

Securely store your mnemonic phrases offline using advanced encryption and native iOS security features. Protect your digital assets with multi-factor authentication and robust backup options.

**Highlights:** Offline data storage, Native iOS KeyChain security, Chinese national cryptographic algorithms (SM2/3/4), BIP0039 standard compliance, Face ID/Touch ID login, Local backup and recovery, Screenshot and screen recording alerts

**In-app purchases:** none


### EchoPrompt

[App page](https://appshunter.io/ios/app/echoprompt/id6758967070)

This tool helps creators, speakers, and educators deliver polished performances by providing a distraction-free teleprompter. It offers adjustable scrolling, mirror mode, and text customization to ensure smooth, confident delivery on camera or stage.

**Highlights:** Adjustable scrolling speed, Mirror mode, Loop playback, Focus guide, Flexible text sizing, Distraction-free interface

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Subscription | $5.99 | per month |
| Pro Yearly Subscription | $9.99 | per year |
| InFlow Pro | $19.99 | one-time |


## Frequently asked questions

### Is 助记词密盒 free?

助记词密盒 costs $9.99, with no in-app purchases.

### Is EchoPrompt free?

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

### Which has better reviews, 助记词密盒 or EchoPrompt?

助记词密盒 and EchoPrompt are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do 助记词密盒 or EchoPrompt have ads?

Neither 助记词密盒 nor EchoPrompt shows ads.

### Which is updated more often, 助记词密盒 or EchoPrompt?

助记词密盒 ships an update every 19 months, and EchoPrompt weekly. Most recently, 助记词密盒 was updated on October 7, 2026 and EchoPrompt on October 28, 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.*