# EF Utilities vs RTUBlue

The clearest difference is update cadence: EF Utilities at every 3 months against RTUBlue's every 9 months. EF Utilities also leads on iOS requirement (13.0 vs 15.0). 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.

EF Utilities ships an update every 3 months, RTUBlue every 9 months. The most recent releases landed on September 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | EF Utilities | RTUBlue |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Size | 63 MB | 51 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EF Technologies, Inc.](https://appshunter.io/developer/1215730248) | [Enetics, Inc.](https://appshunter.io/developer/1778715029) |

## What reviewers say

### EF Utilities

[App page](https://appshunter.io/ios/app/ef-utilities/id1478339238)

**Features:** macOS Compatibility

**In-app purchases:** none


### RTUBlue

[App page](https://appshunter.io/ios/app/rtublue/id6737986411)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EF Utilities free?

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

### Is RTUBlue free?

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

### Do EF Utilities or RTUBlue have ads?

Neither EF Utilities nor RTUBlue shows ads.

### Which is updated more often, EF Utilities or RTUBlue?

EF Utilities ships an update every 3 months, and RTUBlue every 9 months. Most recently, EF Utilities was updated on September 14, 2026 and RTUBlue on September 20, 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.*