# Abacus vs VisionStation

The clearest difference is review sentiment: VisionStation at 100% against Abacus's 15%. VisionStation also leads on price (Free vs $2.99) and iOS requirement (13.4 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

VisionStation is free to download; Abacus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Abacus | VisionStation |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/visionstation/id6504502361/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 15.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Monetization | Paid | **Free** |
| Size | 12 MB | 36 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [俊 姜](https://appshunter.io/developer/974809005) | [Switt Kongdachalert](https://appshunter.io/developer/741342887) |

## What reviewers say

### Abacus

[App page](https://appshunter.io/ios/app/abacus-dancing-fingers/id1153561673)

This educational app combines ancient calculation wisdom with modern technology. It features a beautiful interface with large beads, supports decimal points and negative numbers, and offers multilingual support for a fun and engaging learning experience.

**Highlights:** Beautiful interface with large beads, Support for decimal points and negative numbers, 21-column abacus, Multilingual support (19 languages), Interactive calculation examples

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

**In-app purchases:** none


### VisionStation

[App page](https://appshunter.io/ios/app/visionstation/id6504502361)

This app offers a suite of pocket tools for quick vision assessments. It includes a VA chart with customizable viewing distances and optotypes, a pupil and general ruler, and a theoretical color vision test. Designed for general use, it is not intended for diagnostic purposes.

**Highlights:** VA chart with varied viewing distances, Customizable optotypes, Crowding bars, Duochrome test, Pupil and general ruler, Theoretical color vision test

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Abacus free?

Abacus costs $2.99, with no in-app purchases.

### Is VisionStation free?

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

### Do Abacus or VisionStation have ads?

Neither Abacus nor VisionStation 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.*