# SSIR vs iTherm

The clearest difference is update cadence: SSIR at every 5 days against iTherm's every 6 weeks. SSIR also leads on iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SSIR ships an update every 5 days, iTherm every 6 weeks. The most recent releases landed on September 11, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SSIR | iTherm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Size | 11 MB | 28 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Xinxun Chuangtou Technology Co., Ltd.](https://appshunter.io/developer/1562005877) | [Guangdong Laureii Intelligent Technology Co.,Ltd](https://appshunter.io/developer/1699149735) |

## What reviewers say

### SSIR

[App page](https://appshunter.io/ios/app/ssir/id6742331356)

**Features:** macOS Compatibility

**In-app purchases:** none


### iTherm

[App page](https://appshunter.io/ios/app/itherm/id6769680227)

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

**In-app purchases:** none


## Frequently asked questions

### Is SSIR free?

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

### Is iTherm free?

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

### Do SSIR or iTherm have ads?

Neither SSIR nor iTherm shows ads.

### Which is updated more often, SSIR or iTherm?

SSIR ships an update every 5 days, and iTherm every 6 weeks. Most recently, SSIR was updated on September 11, 2026 and iTherm on September 19, 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.*