Online A Big vs ARSA PREVIEW
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Online A Big
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กวดวิชาครูบิ๊กออนไลน์ ผู้เชี่ยวชาญอันดับ 1 วิชาเคมี เรียนวิทยาศาสตร์ทุกระดับชั้น ติวสอบเข้าม. 1 ติวสอบ PAT ติวสอบ 9 วิชาสามัญ สอบเข้ามหาวิทยาลัย เรียนผ่านออนไลน์ ได้ทุกอุปกรณ์ ทั้งคอมพิวเตอร์ แท็บเล็ต และโทรศัพท์มือถือ
ARSA PREVIEW
This app allows artists, developers, and designers to preview PSD files directly on their mobile devices. Simply export your PSD from a compatible program and share it to see your design results immediately.
- Direct PSD file preview on mobile
- Seamless file sharing from other apps
- Immediate design result visualization
- Supports exported PSD assets
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After artist, developer or ux/ui designer done job with PSD file on mobile devices then they can directly sharing files to ARSA PREVIEW for preview result or design immediately. How to use: 1. Done your PSD file from the third party program (may separate download from store) that should support and can export asset as PSD format. 2. Sharing PSD file to ARSA PREVIEW. 3. Done. Note: If you want to share PSD file during ARSA PREVIEW rendering another PSD on screen, Please close its app and re-sharing again. Happy Preview, Dev Team.
Screenshots
Verdict
The clearest difference is in-app purchases: ARSA PREVIEW at none against Online A Big's 8. ARSA PREVIEW also leads on update cadence (every 3 days vs every 4 weeks) and iOS requirement (12.0 vs 15.1). On price, ads 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
Both are free to download. Online A Big sells 5 one-off in-app purchases. ARSA PREVIEW asks for nothing beyond the download.
Online A Big ships an update every 4 weeks, ARSA PREVIEW every 3 days. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.
| Parameter | Online A Big | ARSA PREVIEW |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 30 MB |
| Age rating | 4+ | 17+ |
| Developer | COURSE SQUARE COMPANY LIMITED | Arsa Tangchitsomkit |
In-app purchases
Online A Big
- ตะลุยโจทย์เคมี 9 วิชาสามัญ3 variants$84.99
- ตะลุยโจทย์เคมี PAT22 variants$84.99
- ตะลุยโจทย์เคมี 9 วิชาสามัญ$89.99
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- Org. Chem 1 เคมีมหาวิทยาลัย$199.99
- Org. Chem 2 เคมีมหาวิทยาลัย$199.99
ARSA PREVIEW
No in-app purchases
Questions
Is Online A Big free?
Is ARSA PREVIEW free?
Do Online A Big or ARSA PREVIEW have ads?
Which is updated more often, Online A Big or ARSA PREVIEW?
Other comparisons
