# TCI Bitacora vs Prevsis

The clearest difference is iOS requirement: TCI Bitacora at 11.0 against Prevsis's 15.0. 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.

TCI Bitacora ships an update fortnightly, Prevsis every 2 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TCI Bitacora | Prevsis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Size | 45 MB | 35 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Armando Montellano](https://appshunter.io/developer/1455567990) | [Prevsis](https://appshunter.io/developer/1375712134) |

## What reviewers say

### TCI Bitacora

[App page](https://appshunter.io/ios/app/tci-bitacora/id1464209780)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prevsis

[App page](https://appshunter.io/ios/app/prevsis/id1534632624)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TCI Bitacora free?

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

### Is Prevsis free?

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

### Do TCI Bitacora or Prevsis have ads?

Neither TCI Bitacora nor Prevsis shows ads.

### Which is updated more often, TCI Bitacora or Prevsis?

TCI Bitacora ships an update fortnightly, and Prevsis every 2 weeks. Most recently, TCI Bitacora was updated on October 26, 2026 and Prevsis on October 25, 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.*