# Reliability of systems vs Electro Archer

The clearest difference is in-app purchases: Electro Archer at none against Reliability of systems's 1. Reliability of systems's advantage is iOS requirement (13.0 vs 18.1). On price, ads and device support there is nothing between them.

Both are free to download. Reliability of systems sells 1 one-off in-app purchase. Electro Archer asks for nothing beyond the download.

## The numbers

| Metric | Reliability of systems | Electro Archer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 18 months | — |
| Size | 4 MB | 28 MB |
| Requires iOS | **13.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Zaw Win Myat](https://appshunter.io/developer/1800881321) |

## What reviewers say

### Reliability of systems

[App page](https://appshunter.io/ios/app/reliability-of-systems/id6443837301)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro feature | $1.99 | one-time |


### Electro Archer

[App page](https://appshunter.io/ios/app/electro-archer/id6743112352)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reliability of systems free?

Reliability of systems is free to download, with in-app purchases available.

### Is Electro Archer free?

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

### Do Reliability of systems or Electro Archer have ads?

Neither Reliability of systems nor Electro Archer shows ads.

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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.*