# Transponder Schedule vs CSS Smart School

The clearest difference is iOS requirement: Transponder Schedule at 9.0 against CSS Smart School's 12.0. 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.

Transponder Schedule ships an update every 11 days, CSS Smart School every 9 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Transponder Schedule | CSS Smart School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 9 days** |
| Size | 107 MB | 38 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Transponder AS](https://appshunter.io/developer/926724247) | [Ombo Technologies (Pvt) Ltd](https://appshunter.io/developer/1272550365) |

## What reviewers say

### Transponder Schedule

[App page](https://appshunter.io/ios/app/transponder-schedule/id1523564897)

**Features:** macOS Compatibility

**In-app purchases:** none


### CSS Smart School

[App page](https://appshunter.io/ios/app/css-smart-school/id6479498104)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Transponder Schedule free?

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

### Is CSS Smart School free?

CSS Smart School is free to download, with no in-app purchases.

### Do Transponder Schedule or CSS Smart School have ads?

Neither Transponder Schedule nor CSS Smart School shows ads.

### Which is updated more often, Transponder Schedule or CSS Smart School?

Transponder Schedule ships an update every 11 days, and CSS Smart School every 9 days. Most recently, Transponder Schedule was updated on October 5, 2026 and CSS Smart School on October 11, 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.*