# Anchor & Overlap vs Astroybat

The clearest difference is iOS requirement: Anchor & Overlap at 13.0 against Astroybat's 15.0. On price, ads, 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 | Anchor & Overlap | Astroybat |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | Free | — |
| Size | 1 MB | 59 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitry Voynov](https://appshunter.io/developer/1650634070) | [Maksim Yakovlev](https://appshunter.io/developer/1586959854) |

## What reviewers say

### Anchor & Overlap

[App page](https://appshunter.io/ios/app/anchor-and-overlap/id6502559936)

This app quickly and accurately calculates rebar anchorage length in concrete according to engineering standards. It provides concrete and rebar strength characteristics, along with minimum/maximum rebar diameters and mandrel diameters.

**Highlights:** Rebar anchorage length calculation, Engineering standard compliance (SNiP, SP), Concrete strength data, Rebar strength data, Rebar diameter specifications, Mandrel diameter calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### Astroybat

[App page](https://appshunter.io/ios/app/astroybat/id6801138440)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Anchor & Overlap free?

Anchor & Overlap is free to download, with no in-app purchases.

### Is Astroybat free?

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

### Do Anchor & Overlap or Astroybat have ads?

Neither Anchor & Overlap nor Astroybat shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*