# BISC Event vs tdc.

The clearest difference is update cadence: BISC Event at every 5 days against tdc.'s every 2 weeks. 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.

BISC Event ships an update every 5 days, tdc. every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | BISC Event | tdc. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 55 MB | 101 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beaconhouse](https://appshunter.io/developer/1182872052) | [Abdul Majid Shah Bukhari](https://appshunter.io/developer/1896112171) |

## What reviewers say

### BISC Event

[App page](https://appshunter.io/ios/app/bisc-event/id6757228336)

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

**In-app purchases:** none


### tdc.

[App page](https://appshunter.io/ios/app/tdc/id6765877675)

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

**In-app purchases:** none


## Frequently asked questions

### Is BISC Event free?

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

### Is tdc. free?

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

### Do BISC Event or tdc. have ads?

Neither BISC Event nor tdc. shows ads.

### Which is updated more often, BISC Event or tdc.?

BISC Event ships an update every 5 days, and tdc. every 2 weeks. Most recently, BISC Event was updated on October 31, 2026 and tdc. on October 31, 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.*