# Symbolic Setup vs Gas Volumeter

The clearest difference is in-app purchases: Symbolic Setup at none against Gas Volumeter's 1. Gas Volumeter's advantage is iOS requirement (13.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Gas Volumeter sells 1 one-off in-app purchase. Symbolic Setup asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Symbolic Setup | Gas Volumeter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 3 MB | 25 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ralph Cos](https://appshunter.io/developer/573505028) | [Innervate](https://appshunter.io/developer/1184312610) |

## What reviewers say

### Symbolic Setup

[App page](https://appshunter.io/ios/app/symbolic-setup/id961455294)

**Features:** macOS Compatibility

**In-app purchases:** none


### Gas Volumeter

[App page](https://appshunter.io/ios/app/gas-volumeter/id1661794690)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Symbolic Setup free?

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

### Is Gas Volumeter free?

Gas Volumeter is free to download, with in-app purchases available.

### Do Symbolic Setup or Gas Volumeter have ads?

Neither Symbolic Setup nor Gas Volumeter shows ads.

### Which is updated more often, Symbolic Setup or Gas Volumeter?

Symbolic Setup ships an update every 2 months, and Gas Volumeter every 2 months. Most recently, Symbolic Setup was updated on October 29, 2026 and Gas Volumeter on November 1, 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.*