# Solar Symphony vs Abacus

The clearest difference is price: Abacus at Free against Solar Symphony's $12.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Abacus is free to download; Solar Symphony costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Solar Symphony | Abacus |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 152 MB | 12 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mikolaj Adamowicz](https://appshunter.io/developer/1448003183) | [Phuc Huynh](https://appshunter.io/developer/6779869359) |

## What reviewers say

### Solar Symphony

[App page](https://appshunter.io/ios/app/solar-symphony/id6736586548)

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

**In-app purchases:** none


### Abacus

[App page](https://appshunter.io/ios/app/abacus-bead-math/id6780208319)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar Symphony free?

Solar Symphony costs $12.99, with no in-app purchases.

### Is Abacus free?

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

### Do Solar Symphony or Abacus have ads?

Neither Solar Symphony nor Abacus shows 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.*