# Installation and Maintenance vs Resala | رسالة

The clearest difference is update cadence: Resala | رسالة at every 2 weeks against Installation and Maintenance's every 16 months. Installation and Maintenance's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Installation and Maintenance ships an update every 16 months, Resala | رسالة every 2 weeks. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Installation and Maintenance | Resala | رسالة |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/resala/id6749962829/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 weeks** |
| Size | 30 MB | 60 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ION Telecom and Technology LLC](https://appshunter.io/developer/1541129607) | [SadeemTech](https://appshunter.io/developer/1418038728) |

## What reviewers say

### Installation and Maintenance

[App page](https://appshunter.io/ios/app/installation-and-maintenance/id6473689299)

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

**In-app purchases:** none


### Resala | رسالة

[App page](https://appshunter.io/ios/app/resala/id6749962829)

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

**In-app purchases:** none


## Frequently asked questions

### Is Installation and Maintenance free?

Installation and Maintenance is free to download, with no in-app purchases.

### Is Resala | رسالة free?

Resala | رسالة is free to download, with no in-app purchases.

### Do Installation and Maintenance or Resala | رسالة have ads?

Neither Installation and Maintenance nor Resala | رسالة shows ads.

### Which is updated more often, Installation and Maintenance or Resala | رسالة?

Installation and Maintenance ships an update every 16 months, and Resala | رسالة every 2 weeks. Most recently, Installation and Maintenance was updated on October 12, 2026 and Resala | رسالة on October 24, 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.*