올카이브 vs Calto
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
올카이브
Easily organize and store scattered links and images. This app acts as your personal archiving partner, allowing you to view, upload, and manage content with tags and search functionality. Discover inspiration from a community of users with shared interests.
- Home archiving tab for overview
- Simple content upload (links, images)
- Community feed for inspiration
- Tagging for systematic management
- Search across personal and community archives
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흩어져있는 링크와 이미지들을 정리•보관하는데 어려움이 많았다면? 올카이브 앱에서 손쉽게 관리하세요. 나만의 아카이빙 파트너 올카이브, 지금 다운로드 하세요! [주요기능] • 홈 아카이빙 탭 링크부터 이미지까지 나의 아카이빙을 한 눈에 확인하세요. 내가 현재 몇개의 아카이빙을 저장하고 있는지 여부도 알 수 있어요. • 업로드 보관하고 싶은 컨텐츠들을(링크, 이미지) 간단하고 손쉽게 업로드할 수 있어요. • 커뮤니티 같은 관심사를 가진 사람들이 올린 아카이빙을 구경하고, 영감을 얻어보세요! 마음에 드는 아카이빙이 있다면 따로 스크랩해서 언제든지 확인할 수 있어요. • 아카이빙&태그 아카이빙과 태그 기능으로 각각의 컨텐츠들을 체계적으로 관리할 수 있어요. • 검색 내 아카이빙부터 커뮤니티까지 찾고싶은 아카이빙을 검색으로 빠르게 찾아요. *참고 사항 앱 이용 중 문제가 발생한 경우 올카이브앱 마이페이지-고객센터로 접속하여 문의해주세요. ―――――――――――――――――――――――――――――――――――― 개발자 연락처: always.allchive@gmail.com
Calto
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A smart calculator that works like math notes. --- Just type "price = 12000" and you're done. Calto is a free smart calculator that lets you write naturally like a math notepad while showing results in real-time. --- Why Calto? Regular calculators just show numbers. But real-life calculations are more complex. - Planning a trip budget and splitting expenses - Converting currencies while budgeting - Calculating tips, discounts, or freelance rates Calto handles all of this naturally, like taking notes. --- Key Features # Variables coffee = 4.50 lunch = 12.00 coffee + lunch = 16.50 Name your numbers. Make calculations meaningful. # Exponent Calculations 2^10 = 1,024 3^3 = 27 Power calculations in one line. # Natural Unit Conversion 10km in mile = 6.21 25C in F = 77 500g in oz = 17.64 100m2 in acre = 0.025 80+ units supported. Length, weight, volume, temperature, time, area, angle. # Live Exchange Rates 100 USD in EUR = 92.50 50 GBP in JPY = 9,375 6 major currencies. Auto-updated every 24 hours. # Mixed Currency Math 100 USD + 50 EUR = $154.25 Different currencies in one calculation. Just works. # Date Calculations today + 30days = 2026-03-04 today + 2weeks = 2026-02-16 Project deadlines, travel dates made easy. # Percent & Tip Calculator 20% of 5000 = 1,000 15% tip on 85 = 12.75 Discounts, tips, split bills. Type what you think. # Crypto Calculator 1 BTC in USD = 97,500 0.5 ETH in EUR = 1,650 Live cryptocurrency rates. Track your crypto portfolio. --- Perfect For - Trip budgeting and expense tracking - Freelancers calculating rates and invoices - Quick tip calculator and bill splitter - Real-time exchange rate conversions - Anyone tired of basic calculators --- Privacy First - Offline Calculator - All calculations stored on device only - Works offline - no internet required for basic math - Only anonymized usage statistics collected (for service improvement) - No account required --- Support Email: iamjw.dev@gmail.com Website: https://calto.iamjw.kr --- Download this free calculator now and experience math notes done right.
Screenshots
Verdict
The clearest difference is update cadence: 올카이브 at every 4 days against Calto's every 9 days. 올카이브 also leads on iOS requirement (13.0 vs 15.6). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
올카이브 ships an update every 4 days, Calto every 9 days. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.
| Parameter | 올카이브 | Calto |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 4 days — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 25 MB | 30 MB |
| Age rating | 17+ | 4+ |
| Developer | 주식회사 소프트스퀘어드 | JONGWOO PARK |
In-app purchases
올카이브
No in-app purchases
Calto
No in-app purchases









