# cbta vs Logbook Time Calc

The clearest difference is in-app purchases: cbta at none against Logbook Time Calc's 11. cbta also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.6). Logbook Time Calc's advantage is update cadence (weekly vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. Logbook Time Calc sells 11 in-app purchases, starting at $1.99 per month. cbta asks for nothing beyond the download.

cbta ships an update every 3 weeks, Logbook Time Calc weekly. Both last shipped on October 7, 2026.

## The numbers

| Metric | cbta | Logbook Time Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 52 MB | 1.7 GB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Firm 23 Ltd.](https://appshunter.io/developer/1179116410) | [EDUARD FARTADE](https://appshunter.io/developer/1896295054) |

## What reviewers say

### cbta

[App page](https://appshunter.io/ios/app/cbta/id6447759720)

**Features:** macOS Compatibility

**In-app purchases:** none


### Logbook Time Calc

[App page](https://appshunter.io/ios/app/logbook-time-calc/id6766518740)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abbonamento | $1.99 | per month |
| Abbonamento | $8.99 | per year |
| Tip | $0.99 | one-time |
| Tip | $1.99 | one-time |
| Tip | $2.99 | one-time |
| 100 Cloud Ai reads | $3.99 | one-time |
| Tip | $3.99 | one-time |
| Tip | $8.99 | one-time |
| Tip | $17.99 | one-time |
| Lifetime | $24.99 | one-time |
| Tip | $44.99 | one-time |


## Frequently asked questions

### Is cbta free?

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

### Is Logbook Time Calc free?

Logbook Time Calc is free to download, with in-app purchases available.

### Do cbta or Logbook Time Calc have ads?

Neither cbta nor Logbook Time Calc shows ads.

### Which is updated more often, cbta or Logbook Time Calc?

cbta ships an update every 3 weeks, and Logbook Time Calc weekly. Most recently, cbta was updated on October 7, 2026 and Logbook Time Calc on October 7, 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.*