# Idus IS vs Bosbec

The clearest difference is update cadence: Bosbec at every 9 days against Idus IS's every 3 months. Bosbec also leads on iOS requirement (11.0 vs 13.0). 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.

Idus IS ships an update every 3 months, Bosbec every 9 days. The most recent releases landed on May 18, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Idus IS | Bosbec |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 136 MB | 14 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IDUS AB](https://appshunter.io/developer/780399497) | [Bosbec AB](https://appshunter.io/developer/406471117) |

## What reviewers say

### Idus IS

[App page](https://appshunter.io/ios/app/idus-is/id780399494)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bosbec

[App page](https://appshunter.io/ios/app/bosbec/id1200748128)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Idus IS free?

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

### Is Bosbec free?

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

### Do Idus IS or Bosbec have ads?

Neither Idus IS nor Bosbec shows ads.

### Which is updated more often, Idus IS or Bosbec?

Idus IS ships an update every 3 months, and Bosbec every 9 days. Most recently, Idus IS was updated on May 18, 2026 and Bosbec on September 26, 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.*