# نداء Nida vs C

The clearest difference is in-app purchases: C at none against نداء Nida's 10. نداء Nida's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. نداء Nida sells 10 in-app purchases, starting at $6.99 per month. C asks for nothing beyond the download.

نداء Nida ships an update every 3 weeks, C every 2 months. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | نداء Nida | C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (19 ratings)](https://appshunter.io/ios/app/nida/id1444544043/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 151 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CallTech, LLC](https://appshunter.io/developer/1444544042) | [Classera](https://appshunter.io/developer/1102012716) |

## What reviewers say

### نداء Nida

[App page](https://appshunter.io/ios/app/nida/id1444544043)

This app allows parents and authorized drivers to notify students of their arrival at school during dismissal without leaving their cars. It provides automatic notifications for attendance, lateness, absence, and dismissal, along with access to attendance reports and school announcements.

**Highlights:** Parent-to-student arrival notifications, Automatic attendance tracking, Authorized driver pickup, Attendance reports, School announcement alerts, Auto-call feature

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calltech Premium for 1 Student | $6.99 | per month |
| Calltech Premium for 2 Student | $13.99 | per month |
| Calltech Premium for 3 Student | $20.99 | per month |
| Calltech Premium for 4 Student | $27.99 | per month |
| Calltech Premium for 5 Student | $34.99 | per month |
| Calltech Premium for 1 Student | $51.99 | per year |
| Calltech Premium for 2 Student | $103.99 | per year |
| Calltech Premium for 3 Student | $159.99 | per year |
| Calltech Premium for 4 Student | $209.99 | per year |
| Calltech Premium for 5 Student | $279.99 | per year |


### C

[App page](https://appshunter.io/ios/app/c-reality/id1500402713)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is نداء Nida free?

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

### Is C free?

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

### Do نداء Nida or C have ads?

Neither نداء Nida nor C shows ads.

### Which is updated more often, نداء Nida or C?

نداء Nida ships an update every 3 weeks, and C every 2 months. Most recently, نداء Nida was updated on September 30, 2026 and C on October 10, 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.*