# iCalvinus vs CPBT

The clearest difference is update cadence: iCalvinus at every 3 days against CPBT's every 2 months. iCalvinus also leads on iOS requirement (12.0 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.

iCalvinus ships an update every 3 days, CPBT every 2 months. The most recent releases landed on October 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | iCalvinus | CPBT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 58 MB | 96 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dzigne Sistemas e Tecnologia LTDA ME](https://appshunter.io/developer/650792218) | [Alcides Vieira](https://appshunter.io/developer/1046524680) |

## What reviewers say

### iCalvinus

[App page](https://appshunter.io/ios/app/icalvinus-scipb/id1612910020)

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

**In-app purchases:** none


### CPBT

[App page](https://appshunter.io/ios/app/cpbt/id6474030272)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iCalvinus free?

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

### Is CPBT free?

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

### Do iCalvinus or CPBT have ads?

Neither iCalvinus nor CPBT shows ads.

### Which is updated more often, iCalvinus or CPBT?

iCalvinus ships an update every 3 days, and CPBT every 2 months. Most recently, iCalvinus was updated on October 11, 2026 and CPBT on September 18, 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.*