# CSIT vs BitBitCS

The clearest difference is in-app purchases: CSIT at none against BitBitCS's 1. CSIT also leads on iOS requirement (11.0 vs 13.0). BitBitCS's advantage is update cadence (every 8 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. BitBitCS sells 1 in-app purchase, starting at $4.99 per month. CSIT asks for nothing beyond the download.

CSIT ships an update every 5 months, BitBitCS every 8 days. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | CSIT | BitBitCS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Size | 25 MB | 33 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MTA SZTAKI](https://appshunter.io/developer/381282454) | [LIN SUN](https://appshunter.io/developer/1764594272) |

## What reviewers say

### CSIT

[App page](https://appshunter.io/ios/app/csit/id959873557)

**Features:** macOS Compatibility

**In-app purchases:** none


### BitBitCS

[App page](https://appshunter.io/ios/app/bitbitcs/id6661013090)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |


## Frequently asked questions

### Is CSIT free?

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

### Is BitBitCS free?

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

### Do CSIT or BitBitCS have ads?

Neither CSIT nor BitBitCS shows ads.

### Which is updated more often, CSIT or BitBitCS?

CSIT ships an update every 5 months, and BitBitCS every 8 days. Most recently, CSIT was updated on October 4, 2026 and BitBitCS on October 3, 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.*