# BEREST Smart vs ±0正負零

The clearest difference is device support: ±0正負零 at 2 against BEREST Smart's —. On price, in-app purchases and iOS requirement 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 | BEREST Smart | ±0正負零 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 9 days |
| Size | 198 MB | 75 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [PAFERS TECH Co., Limited](https://appshunter.io/developer/477377253) | [冠源 余](https://appshunter.io/developer/1100084170) |

## What reviewers say

### BEREST Smart

[App page](https://appshunter.io/ios/app/berest-smart/id1638035285)

**In-app purchases:** none


### ±0正負零

[App page](https://appshunter.io/ios/app/0/id6739824373)

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

**In-app purchases:** none


## Frequently asked questions

### Is BEREST Smart free?

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

### Is ±0正負零 free?

±0正負零 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.*