# Coro. vs ABACUS

Coro. and ABACUS are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Coro. | ABACUS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | — |
| Size | 8 MB | 88 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [uto toshiki](https://appshunter.io/developer/876927513) | [Hayato Saito](https://appshunter.io/developer/1865824244) |

## What reviewers say

### Coro.

[App page](https://appshunter.io/ios/app/coro/id1017066209)

**Features:** macOS Compatibility

**In-app purchases:** none


### ABACUS

[App page](https://appshunter.io/ios/app/abacus-we-can-think-fast/id6757598545)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Coro. free?

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

### Is ABACUS free?

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

### Do Coro. or ABACUS have ads?

Both Coro. and ABACUS show ads.

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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.*