# Guard Ninja vs Echo

The clearest difference is review sentiment: Echo at 100% against Guard Ninja's 43%. On price, update cadence, ads and in-app purchases there is nothing between them.

Guard Ninja costs $0.95 and Echo $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Guard Ninja | Echo |
| --- | --- | --- |
| Price | **$0.95** | $0.99 |
| Rating | **[4.5 (46 ratings)](https://appshunter.io/ios/app/guard-ninja/id1475364676/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 42.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | Paid |
| Size | 7 MB | 2 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jan Slusarz](https://appshunter.io/developer/1459429277) | [鹏 杨](https://appshunter.io/developer/1884186063) |

## What reviewers say

### Guard Ninja

[App page](https://appshunter.io/ios/app/guard-ninja/id1475364676)

This app acts as a personal security guard for your phone and belongings. It triggers an alarm if someone attempts to move or tamper with your device or items it's placed near, providing customizable sound, light, and vibration alerts.

**Highlights:** Motion-activated alarm, Customizable alarm sounds, light, and vibration, Adjustable sensitivity settings, Password protection to disarm, Timer for arming and disarming, Protect nearby items like wallets and suitcases

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

**In-app purchases:** none


### Echo

[App page](https://appshunter.io/ios/app/echo-anniversary/id6760383873)

This app helps you track important dates like anniversaries and manage daily notes. It offers local reminders, diary entries with moods, and a "On This Day" feature to revisit past memories. The minimalist design keeps everything private and on your device.

**Highlights:** Anniversary and countdown tracking, Local reminders, Diary entries with moods, On This Day flashbacks, Privacy-first local storage, PDF export of diary

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

**In-app purchases:** none


## Frequently asked questions

### Is Guard Ninja free?

Guard Ninja costs $0.95, with no in-app purchases.

### Is Echo free?

Echo costs $0.99, with no in-app purchases.

### Do Guard Ninja or Echo have ads?

Neither Guard Ninja nor Echo shows ads.

### Which is updated more often, Guard Ninja or Echo?

Guard Ninja ships an update every 3 months, and Echo every 3 months. Most recently, Guard Ninja was updated on October 7, 2026 and Echo on October 19, 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.*