# Grafin vs Jike Alarm

The clearest difference is ads: Grafin at none against Jike Alarm's shown. Jike Alarm's advantage is update cadence (every 9 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Grafin ships an update every 2 months, Jike Alarm every 9 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Grafin | Jike Alarm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/grafin/id6752789012/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 6 MB | 56 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gleb Ragalevich](https://appshunter.io/developer/1840955736) | [Qinhuangdao Leiyang Technology Co., Ltd](https://appshunter.io/developer/1373150398) |

## What reviewers say

### Grafin

[App page](https://appshunter.io/ios/app/grafin/id6752789012)

This app offers a simple way to encrypt and decrypt text messages and notes locally on your device. It generates unique keys for secure communication and experimentation with coding, all while working offline and without data collection.

**Highlights:** Text encryption, Offline functionality, Local data processing, Unique key generation, Secure messaging, Coding experimentation

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

**In-app purchases:** none


### Jike Alarm

[App page](https://appshunter.io/ios/app/jike-alarm/id6754262800)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grafin free?

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

### Is Jike Alarm free?

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

### Do Grafin or Jike Alarm have ads?

Jike Alarm shows ads; Grafin does not.

### Which is updated more often, Grafin or Jike Alarm?

Grafin ships an update every 2 months, and Jike Alarm every 9 days. Most recently, Grafin was updated on October 30, 2026 and Jike Alarm on October 30, 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.*