# TCI Bitacora vs ModelScaleCalc

The clearest difference is device support: TCI Bitacora at 3 against ModelScaleCalc's —. ModelScaleCalc's advantage is iOS requirement (7.0 vs 11.0). On price 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.

## The numbers

| Metric | TCI Bitacora | ModelScaleCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/modelscalecalc/id1493020257/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Monetization | — | Free |
| Size | 45 MB | 4 MB |
| Requires iOS | 11.0 | **7.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Armando Montellano](https://appshunter.io/developer/1455567990) | [Jody Reimers](https://appshunter.io/developer/1298708539) |

## What reviewers say

### TCI Bitacora

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ModelScaleCalc

[App page](https://appshunter.io/ios/app/modelscalecalc/id1493020257)

Easily convert between any units and scales for scratch-building projects. Input an amount, unit, and scale to convert from, then select your desired units and scale for instant results. A second calculator helps determine the scale of an existing item.

**Highlights:** Convert any unit to any other unit, Convert any scale to any other scale, Input amount, unit, and scale, Select target units and scale, Instant conversion results, Calculate item scale

**In-app purchases:** none


## Frequently asked questions

### Is TCI Bitacora free?

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

### Is ModelScaleCalc free?

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

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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.*