# 999Connect vs SpectraX ESG

The clearest difference is iOS requirement: 999Connect at 13.0 against SpectraX ESG's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

999Connect ships an update every 3 weeks, SpectraX ESG fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 999Connect | SpectraX ESG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 33 MB | 131 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [MTC - GRAINMAN](https://appshunter.io/developer/1636747805) | [FARMGUIDE LTDA](https://appshunter.io/developer/1842847775) |

## What reviewers say

### 999Connect

[App page](https://appshunter.io/ios/app/999connect/id6504112910)

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

**In-app purchases:** none


### SpectraX ESG

[App page](https://appshunter.io/ios/app/spectrax-esg/id6755402367)

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

**In-app purchases:** none


## Frequently asked questions

### Is 999Connect free?

999Connect is free to download, with no in-app purchases.

### Is SpectraX ESG free?

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

### Do 999Connect or SpectraX ESG have ads?

Neither 999Connect nor SpectraX ESG shows ads.

### Which is updated more often, 999Connect or SpectraX ESG?

999Connect ships an update every 3 weeks, and SpectraX ESG fortnightly. Most recently, 999Connect was updated on October 27, 2026 and SpectraX ESG on October 24, 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.*