# Instant Unit Calc vs SMAFlow

The clearest difference is ads: SMAFlow at none against Instant Unit Calc's shown. Instant Unit Calc's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). 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 | Instant Unit Calc | SMAFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 days |
| Size | 34 MB | 15 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Keisuke Yamakawa](https://appshunter.io/developer/1281004284) | [Kaptan Hasim](https://appshunter.io/developer/6823591660) |

## What reviewers say

### Instant Unit Calc

[App page](https://appshunter.io/ios/app/instant-unit-calc/id6795980524)

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

**In-app purchases:** none


### SMAFlow

[App page](https://appshunter.io/ios/app/smaflow/id6823591657)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Instant Unit Calc free?

Instant Unit Calc is free to download, with no in-app purchases.

### Is SMAFlow free?

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

### Do Instant Unit Calc or SMAFlow have ads?

Instant Unit Calc shows ads; SMAFlow does not.

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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.*