# G's Bar=爺ず婆= vs contrail

The clearest difference is iOS requirement: G's Bar=爺ず婆= at 12.0 against contrail's 15.0. 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.

G's Bar=爺ず婆= ships an update every 39 months, contrail every 38 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | G's Bar=爺ず婆= | contrail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 38 months** |
| Size | 17 MB | 7 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [YOSHIAKI ICHIHASHI](https://appshunter.io/developer/1506196784) | [YASUKO IZAWA](https://appshunter.io/developer/1522619417) |

## What reviewers say

### G's Bar=爺ず婆=

[App page](https://appshunter.io/ios/app/gs-bar/id1506196785)

**In-app purchases:** none


### contrail

[App page](https://appshunter.io/ios/app/contrail/id1522619415)

**In-app purchases:** none


## Frequently asked questions

### Is G's Bar=爺ず婆= free?

G's Bar=爺ず婆= is free to download, with no in-app purchases.

### Is contrail free?

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

### Do G's Bar=爺ず婆= or contrail have ads?

Neither G's Bar=爺ず婆= nor contrail shows ads.

### Which is updated more often, G's Bar=爺ず婆= or contrail?

G's Bar=爺ず婆= ships an update every 39 months, and contrail every 38 months. Most recently, G's Bar=爺ず婆= was updated on November 3, 2026 and contrail on October 27, 2026.

---

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