# KRN Enerji vs Spectrum

The clearest difference is update cadence: Spectrum at fortnightly against KRN Enerji's every 2 months. Spectrum also leads on iOS requirement (11.0 vs 16.4). 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.

KRN Enerji ships an update every 2 months, Spectrum fortnightly. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | KRN Enerji | Spectrum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 69 MB | 72 MB |
| Requires iOS | 16.4 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artı Kurumsal Kart ve Petrol Hizmetleri](https://appshunter.io/developer/1729339127) | [LST YAZILIM ELEKTRONIK VE ILETISIM TEKNOLOJILERI INSAAT TURIZM TICARET ANONIM SIRKETI](https://appshunter.io/developer/1781617691) |

## What reviewers say

### KRN Enerji

[App page](https://appshunter.io/ios/app/krn-enerji/id6477440413)

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

**In-app purchases:** none


### Spectrum

[App page](https://appshunter.io/ios/app/spectrum/id6738642383)

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

**In-app purchases:** none


## Frequently asked questions

### Is KRN Enerji free?

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

### Is Spectrum free?

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

### Do KRN Enerji or Spectrum have ads?

Neither KRN Enerji nor Spectrum shows ads.

### Which is updated more often, KRN Enerji or Spectrum?

KRN Enerji ships an update every 2 months, and Spectrum fortnightly. Most recently, KRN Enerji was updated on October 11, 2026 and Spectrum on October 7, 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.*