# IT Systems APP vs Melater

The clearest difference is in-app purchases: IT Systems APP at none against Melater's 2. IT Systems APP also leads on iOS requirement (13.0 vs 16.6). Melater's advantage is update cadence (every 5 days vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Melater sells 2 in-app purchases, starting at $1.99 per month. IT Systems APP asks for nothing beyond the download.

IT Systems APP ships an update every 8 months, Melater every 5 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | IT Systems APP | Melater |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 430 MB | 29 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [祖军 徐](https://appshunter.io/developer/800065517) | [depaier](https://appshunter.io/developer/1798257468) |

## What reviewers say

### IT Systems APP

[App page](https://appshunter.io/ios/app/it-systems-app/id6498978348)

Enhance your security management with real-time surveillance video viewing and playback. Receive instant notifications for triggered device alarms and share access with family members. Supports visual intercom and access control for comprehensive home monitoring.

**Highlights:** Real-time live video view, Video playback by date and event, Instant alarm notifications, Device sharing with permissions, Alarm hub for various sensors, Visual intercom with video calls, Access control with remote unlock

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

**In-app purchases:** none


### Melater

[App page](https://appshunter.io/ios/app/melater-diary-for-future-me/id6748441398)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Melater Premium(Monthly) | $1.99 | per month |
| Melater Premium(Annual) | $6.99 | per year |


## Frequently asked questions

### Is IT Systems APP free?

IT Systems APP is free to download, with no in-app purchases.

### Is Melater free?

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

### Do IT Systems APP or Melater have ads?

Neither IT Systems APP nor Melater shows ads.

### Which is updated more often, IT Systems APP or Melater?

IT Systems APP ships an update every 8 months, and Melater every 5 days. Most recently, IT Systems APP was updated on October 30, 2026 and Melater on November 5, 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.*