# Stellar Analyst vs Zero Carbon

The clearest difference is in-app purchases: Zero Carbon at none against Stellar Analyst's 2. Zero Carbon also leads on update cadence (monthly vs every 3 months) and iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Stellar Analyst sells 2 in-app purchases, starting at $4.99 per month. Zero Carbon asks for nothing beyond the download.

Stellar Analyst ships an update every 3 months, Zero Carbon monthly. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Stellar Analyst | Zero Carbon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/stellar-analyst/id1553559730/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Freemium | — |
| Size | 41 MB | 22 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Eads](https://appshunter.io/developer/1553559732) | [TheTowerTech](https://appshunter.io/developer/1259751444) |

## What reviewers say

### Stellar Analyst

[App page](https://appshunter.io/ios/app/stellar-analyst/id1553559730)

This app helps astrology professionals prepare for client consultations by filtering and displaying only the most important astrological data. It streamlines chart analysis, allowing for quick focus on specific aspects and transits without information overload.

**Highlights:** Customizable aspect filtering, Aspect picture building, Transit and progression analysis, Natal chart focus, Intuitive date navigation, Client consultation preparation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $39.99 | per year |


### Zero Carbon

[App page](https://appshunter.io/ios/app/zero-carbon-connect/id6447286723)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stellar Analyst free?

Stellar Analyst is free to download, with in-app purchases available.

### Is Zero Carbon free?

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

### Do Stellar Analyst or Zero Carbon have ads?

Neither Stellar Analyst nor Zero Carbon shows ads.

### Which is updated more often, Stellar Analyst or Zero Carbon?

Stellar Analyst ships an update every 3 months, and Zero Carbon monthly. Most recently, Stellar Analyst was updated on September 20, 2026 and Zero Carbon on September 12, 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.*