# CBTC Timer vs Cumulus Ag

The clearest difference is update cadence: CBTC Timer at weekly against Cumulus Ag's every 3 weeks. CBTC Timer also leads on iOS requirement (13.0 vs 15.0). 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.

CBTC Timer ships an update weekly, Cumulus Ag every 3 weeks. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | CBTC Timer | Cumulus Ag |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 1 MB | 2 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mauro Mendonca](https://appshunter.io/developer/442007421) | [AeroPro Aviação LTDA](https://appshunter.io/developer/6810251740) |

## What reviewers say

### CBTC Timer

[App page](https://appshunter.io/ios/app/cbtc-timer/id6749275703)

**In-app purchases:** none


### Cumulus Ag

[App page](https://appshunter.io/ios/app/cumulus-ag/id6810251738)

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

**In-app purchases:** none


## Frequently asked questions

### Is CBTC Timer free?

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

### Is Cumulus Ag free?

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

### Do CBTC Timer or Cumulus Ag have ads?

Neither CBTC Timer nor Cumulus Ag shows ads.

### Which is updated more often, CBTC Timer or Cumulus Ag?

CBTC Timer ships an update weekly, and Cumulus Ag every 3 weeks. Most recently, CBTC Timer was updated on November 8, 2026 and Cumulus Ag on November 6, 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.*