DaCalculator vs arka
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
DaCalculator
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DaCalc is an all-in-one iPhone calculator designed for speed, clarity, and comfort. Use it for daily calculations, scientific operations, area conversion, and practical unit conversion in one clean experience. Features: Standard calculator for fast everyday math Scientific mode for advanced calculations Unit conversion including volume, weight, length, and temperature Area conversion with localized units (for example, tsubo and pyeong) Quick history for reusing previous results Multiple visual skins, including a Liquid Glass-inspired style Portrait-first interface optimized for one-handed use DaCalc helps you finish calculations quickly without clutter, confusion, or unnecessary steps.
arka
A straightforward application for storing links you wish to revisit later. Save content from various platforms with a single tap and add notes to recall why you saved it. Organize links into custom collections and share them with others.
- Save links from share sheet
- Add notes to saved links
- Organize links into collections
- Open links in original apps
- Share collections with friends
- Import collections from text
- Local data storage, no account needed
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Saved a link for later, but can't remember where it went? arka brings links scattered across different apps into one place, so you can easily find them whenever you need them. Found something you like? Save it with a single tap of the share button and organize it into your own collections. Save Links Effortlessly No need to open another app or copy URLs. Just select arka from the share menu to save a link instantly. See Everything at a Glance Browse your saved links with thumbnails. Choose between gallery and list views to find the layout that works best for you. Organize with Notes and Collections Add notes to remember why you saved a link, and organize everything into collections for recipes, travel, shopping, and more. Find and Revisit Easily Search your saved links and open the original content again with a single tap. Get started without creating an account. Your saved data stays on your device, with backup and collection sharing features available. No ads. No subscriptions. Just a simple place for all the links you want to keep.
Screenshots
Verdict
The clearest difference is ads: arka at none against DaCalculator's shown. arka also leads on iOS requirement (17.0 vs 26.0). DaCalculator's advantage is update cadence (daily vs every 2 weeks). On price, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DaCalculator ships an update daily, arka every 2 weeks. Both last shipped on October 25, 2026.
| Parameter | DaCalculator | arka |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 100.0% of reviews |
| Update frequency | Daily โ better | Every 2 weeks |
| Ads | Yes | No โ better |
| In-app purchases | No | No |
| Monetization | โ | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 26.0 | 17.0 โ better |
| Further details โ not scored | ||
| Size | 5 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | JayApp | jin kyung choi |
In-app purchases
DaCalculator
No in-app purchases
arka
No in-app purchases









