# Sigma Charge vs Spectre

The clearest difference is update cadence: Sigma Charge at monthly against Spectre's every 6 months. Spectre's advantage is iOS requirement (11.0 vs 13.4). 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.

Sigma Charge ships an update monthly, Spectre every 6 months. The most recent releases landed on September 10, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Sigma Charge | Spectre |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Size | 54 MB | 61 MB |
| Requires iOS | 13.4 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Sigma Systems, Mmc](https://appshunter.io/developer/1726343396) | [D-LIGHT Group](https://appshunter.io/developer/1537442142) |

## What reviewers say

### Sigma Charge

[App page](https://appshunter.io/ios/app/sigma-charge/id6476268128)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spectre

[App page](https://appshunter.io/ios/app/spectre/id6483934742)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sigma Charge free?

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

### Is Spectre free?

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

### Do Sigma Charge or Spectre have ads?

Neither Sigma Charge nor Spectre shows ads.

### Which is updated more often, Sigma Charge or Spectre?

Sigma Charge ships an update monthly, and Spectre every 6 months. Most recently, Sigma Charge was updated on September 10, 2026 and Spectre on May 16, 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.*