Abacus vs VisionStation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Abacus
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.
- Beautiful interface with large beads
- Support for decimal points and negative numbers
- 21-column abacus
- Multilingual support (19 languages)
- Interactive calculation examples
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WHEN ANCIENT WISDOM MEETS MODERN TECHNOLOGY ! BEAUTIFUL INTERFACE with COMFORT & BIG BEADS ! SUPPORT DECIMAL POINT & NEGATIVE NUMBERS ! 21-COLUMN ABACUS CAN SPEAK ! • LANGUAGES: ENGLISH JAPANESE RUSSIAN CHINESE ARABIC GERMAN FRENCH SPANISH KOREAN NORWEGIAN FINNISH CANTONESE DANISH PORTUGUESE SWEDISH INDONESIAN TURKISH DUTCH VIETNAMESE • LET'S USE ABACUS TO CALCULATE AND HAVE FUN ! 2+2+2+2+2+2+2+2+2+2 = 20 30-3-3-3-3-3-3-3-3-3-3 = 0 1+2+3+4+5+6+7+...+98+99+100 = 5050
VisionStation
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.
- VA chart with varied viewing distances
- Customizable optotypes
- Crowding bars
- Duochrome test
- Pupil and general ruler
- Theoretical color vision test
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General pocket tools for quick vision assessment. VA chart - varied viewing distances - varied optotypes - crowding bars - duochrome Pupil ruler/general ruler D-CViTT Theoretical color vision test * not for diagnostic purposes Copyright, 2024, Switt Kongdachalert, M.D.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
VisionStation is free to download; Abacus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Abacus | VisionStation |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 2.0 (1 ratings) — better |
| Positive reviews | 15.4% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.4 — better |
| Further details — not scored | ||
| Size | 12 MB | 36 MB |
| Age rating | 4+ | 12+ |
| Developer | 俊 姜 | Switt Kongdachalert |
Customer experience
Abacus
VisionStation
In-app purchases
Abacus
No in-app purchases
VisionStation
No in-app purchases
Questions
Is Abacus free?
Is VisionStation free?
Do Abacus or VisionStation have ads?
Other comparisons
