# Sigma Charge vs Splus.az

The clearest difference is update cadence: Sigma Charge at monthly against Splus.az's every 13 months. 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, Splus.az every 13 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Sigma Charge | Splus.az |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 13 months |
| Size | 54 MB | 125 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 17+ | 12+ |
| Developer | [Sigma Systems, Mmc](https://appshunter.io/developer/1726343396) | [CONTROL STORE ELECTRONICS ,MMC](https://appshunter.io/developer/1746852255) |

## What reviewers say

### Sigma Charge

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Splus.az

[App page](https://appshunter.io/ios/app/splusaz/id6502809276)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sigma Charge free?

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

### Is Splus.az free?

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

### Do Sigma Charge or Splus.az have ads?

Neither Sigma Charge nor Splus.az shows ads.

### Which is updated more often, Sigma Charge or Splus.az?

Sigma Charge ships an update monthly, and Splus.az every 13 months. Most recently, Sigma Charge was updated on September 10, 2026 and Splus.az on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*