# Significant Figures vs Pocket,Ruler

The clearest difference is ads: Significant Figures at none against Pocket,Ruler's shown. Significant Figures also leads on iOS requirement (13.0 vs 16.6). On price, 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.

## The numbers

| Metric | Significant Figures | Pocket,Ruler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Fortnightly |
| Size | 40 MB | 6 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STAGE CODING, Travnik](https://appshunter.io/developer/1637068135) | [旭 王](https://appshunter.io/developer/1536252900) |

## What reviewers say

### Significant Figures

[App page](https://appshunter.io/ios/app/significant-figures-calcon/id1620143512)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pocket,Ruler

[App page](https://appshunter.io/ios/app/pocketruler/id6741355487)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Significant Figures free?

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

### Is Pocket,Ruler free?

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

### Do Significant Figures or Pocket,Ruler have ads?

Pocket,Ruler shows ads; Significant Figures 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.*