# COMA, What I Left Behind vs Sidrac 2D

The clearest difference is in-app purchases: Sidrac 2D at none against COMA, What I Left Behind's 1. Sidrac 2D also leads on ads (none vs shown). COMA, What I Left Behind's advantage is update cadence (every 4 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. COMA, What I Left Behind sells 1 one-off in-app purchase. Sidrac 2D asks for nothing beyond the download.

COMA, What I Left Behind ships an update every 4 days, Sidrac 2D every 3 weeks. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | COMA, What I Left Behind | Sidrac 2D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 41 MB | 97 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Juan Erasmo Rivera](https://appshunter.io/developer/6790236150) | [Anselmo Barboza Eduardo Junior](https://appshunter.io/developer/6797554188) |

## What reviewers say

### COMA, What I Left Behind

[App page](https://appshunter.io/ios/app/coma-what-i-left-behind/id6790236148)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Story 2 — Bo | $19.99 | one-time |


### Sidrac 2D

[App page](https://appshunter.io/ios/app/sidrac-2d/id6797554185)

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

**In-app purchases:** none


## Frequently asked questions

### Is COMA, What I Left Behind free?

COMA, What I Left Behind is free to download, with in-app purchases available.

### Is Sidrac 2D free?

Sidrac 2D is free to download, with no in-app purchases.

### Do COMA, What I Left Behind or Sidrac 2D have ads?

COMA, What I Left Behind shows ads; Sidrac 2D does not.

### Which is updated more often, COMA, What I Left Behind or Sidrac 2D?

COMA, What I Left Behind ships an update every 4 days, and Sidrac 2D every 3 weeks. Most recently, COMA, What I Left Behind was updated on October 9, 2026 and Sidrac 2D on October 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.*