Comparison

Pink Stack vs arka

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Pink Stack

Features
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Pink Stack writes tomorrow's three reminders straight into Apple Reminders. The three-task limit is the whole point: pick what matters, drop the rest. WHAT IT DOES - Tonight: type 3 short reminders and pick a due time for tomorrow - Pink Stack writes them to a "Pink Stack" list in Apple Reminders so they fire from the system - Tomorrow: tick them off in Pink Stack and the matching reminders are marked done in Apple Reminders - The ledger keeps every reminder you marked done - Home Screen and Lock Screen widgets show tomorrow's stack and how many are done PRIVACY - Apple Reminders access is needed (Pink Stack writes to its own list named "Pink Stack") - No accounts, no analytics, no servers - Your reminders live in Apple Reminders like any other reminder. We never see them WITHOUT PRO Everything is unlocked for your first 3 days. After that, up to 3 stacks in total. PRO - Unlimited stacks Subscription Details - Pro Monthly: $3 / month - Pro Annual: $13 / year - Lifetime: $29 one-time Subscriptions auto-renew until cancelled in Settings at least 24 hours before the renewal date. Payment is charged to your Apple ID at confirmation of purchase. Terms of Use (EULA): https://danielius.studio/pink-stack/terms Privacy Policy: https://danielius.studio/pink-stack/privacy

About

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.

Highlights
  • 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
Features
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Remember that link you saved to check out later? Where did it go? arka is a simple place to keep all the links you want to come back to. Instagram Reels, YouTube videos, Naver Blog posts, Pinterest images, and more. Save anything you want to revisit with just one tap from the share sheet, and add a quick note to remember why you saved it. Save it the moment you find it Choose arka from the share sheet to save a link without even opening the app. Add a quick note for later “Peanut sandwich recipe” “Cafe to visit this weekend” Leave yourself a short note so you’ll remember exactly why you saved each link. Keep everything organized in collections Create your own collections for recipes, interiors, places to visit, or anything else you want to keep together. Open links where they belong Tap a saved card to open the original link. Instagram links open in Instagram, YouTube links in YouTube. Share an entire collection with friends Turn a collection of links into text and send it to a friend. If someone sends you an arka collection, you can import the text and bring the collection and its links right into the app. Your links stay on your device No account required. Your saved data stays on your device, and you can also keep and manage your own backups. No ads. No subscriptions. Just a simple place to save the things you want to find again. Supported services: Instagram · Threads · YouTube and Shorts · Naver Map · Naver Blog · Tistory · Pinterest

Screenshots

Pink Stack4 screens
arka4 screens

Verdict

The call

The clearest difference is in-app purchases: arka at none against Pink Stack's 3. arka also leads on update cadence (every 5 days vs every 3 weeks). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Pink Stack sells 3 in-app purchases, starting at $3.00 per month. arka asks for nothing beyond the download.

UpkeepUpdate frequency

Pink Stack ships an update every 3 weeks, arka every 5 days. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 6 level
Pink Stack versus arka: the parameters behind the verdict, then further details
ParameterPink Stackarka
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size1 MB3 MB
Age rating4+4+
DeveloperDanielius Chalikovasjin kyung choi

In-app purchases

3 purchases

Pink Stack

Subscriptions2
  • Pro Monthly14 Days trial$3.001 Month
  • Pro Annual$13.001 Year
One-time1
  • Lifetime$29.00
None

arka

No in-app purchases

Questions

Is Pink Stack free?
Pink Stack is free to download, with in-app purchases available.
Is arka free?
arka is free to download, with no in-app purchases.
Do Pink Stack or arka have ads?
Neither Pink Stack nor arka shows ads.
Which is updated more often, Pink Stack or arka?
Pink Stack ships an update every 3 weeks, and arka every 5 days. Most recently, Pink Stack was updated on October 1, 2026 and arka on October 12, 2026.

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