Comparison

i vs CoinLens

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

Head to head
About

i

This app helps aspiring and experienced iOS developers understand and master the fundamental components of iOS development. It provides an intuitive tree view to visualize relationships between components and fosters a community for sharing insights and troubleshooting.

Highlights
  • Intuitive tree view of iOS components
  • Deepen understanding of component relationships
  • Community insights and troubleshooting
  • Reference for junior and senior iOS developers
  • Learn iOS programming fundamentals
Features
Read full description

You are passionate about technology, you want to be an iOS programmer. Where do you have to start? Who will lead you? Just as we go to school, professors or even natural geniuses, we need to start from the alphabet. So in iOS, the "Component" is same as alphabets collection. After we have mastered the letters, we can match the words into complete sentences. You are an iOS junior developer, or even a senior, Are you confident that you know everything, and understand all the components of iOS? We will help you to deepen the relationship between the components, through a tree view, you will have a more intuitive view of them! Have you ever encountered errors when using the iOS component, many people have encountered just like you. Share your insights for everyone to use the component properly, for a strong iOS community.

About

CoinLens

Instantly identify coins from photos, get detailed information including value ranges and historical notes, and organize your collection. Designed for everyday collectors, it provides quick context for casual finds and beginner enthusiasts.

Highlights
  • Photo-based coin identification
  • Value range context
  • Collector details
  • Collection organization
  • Identification confidence scores
Features
Read full description

CoinLens: Coin Identifier Identify. Value. Collect. CoinLens helps you identify coins from photos, review value ranges, and keep your finds organized without extra clutter. Turn 1-4 coin photos into collector-ready context: top identification matches, confidence, denomination, year, mint details, value range context, material, specs, historical notes, and saved collection records. Key Features - Photo-Based Coin Identification Scan coin photos and get structured identification results. - Top Matches With Confidence Compare likely matches so you can verify the result before saving. - Value Range Context Review informational value ranges and plain-language notes about condition, market demand, and authenticity. - Collector Details See material, fineness, mint marks, inscriptions, catalog references, and historical context when available. - Collection and Inbox Workflow Save identified coins, review unfiled results later, and keep your collection organized. - Built for Everyday Collectors Useful for casual coin finds, beginner collectors, and collectors who want a fast second look before filing a coin. Subscription CoinLens Pro unlocks higher scan limits, full valuation context, and advanced collection tools. Pricing, renewal terms, and trial availability are shown in the Apple purchase sheet before confirmation. Important Note Coin values vary with condition, market demand, and authenticity. Estimates are informational only and should not be considered professional appraisals or investment advice. Privacy Policy: https://docs.google.com/document/d/e/2PACX-1vSDKUzNjg5XB14ZS6Czthp6Mef9whjX29XiGEj7W3AyOfvm-Cga5Hh4eYEyvZH1uQg_M9fO7sBE8L5a/pub Terms of Service: https://docs.google.com/document/d/e/2PACX-1vSk4aA7aRTZfv4pUy3hTJBfCJPInvka6ZG-u-CeiBqgYhk6jy0KKG8o6Iyd5AYy7vXLdXkSRfNTe7-J/pub Support: https://docs.google.com/document/d/e/2PACX-1vQ1pK3vsUQ3wqmejhpzY5w7m144FAeFWtBONFe-HvzmSwkmxQ4ydnEYkO2T_xDHzCwoCtFtnMiDhTu3/pub

Screenshots

i4 screens
CoinLens4 screens

Verdict

The call

The clearest difference is in-app purchases: i at none against CoinLens's 2. i also leads on update cadence (every 10 days vs every 4 weeks) and iOS requirement (8.0 vs 13.0). On price, ads 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. CoinLens sells 2 in-app purchases, starting at $4.99 per month. i asks for nothing beyond the download.

UpkeepUpdate frequency

i ships an update every 10 days, CoinLens every 4 weeks. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

Scorecard4 real differences ยท 4 level
i versus CoinLens: the parameters behind the verdict, then further details
ParameteriCoinLens
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 10 days โ€” betterEvery 4 weeks
AdsNoNo
In-app purchasesNo โ€” betterYes
MonetizationFree โ€” betterFreemium
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS8.0 โ€” better13.0
Further details โ€” not scored
Size33 MB37 MB
Age rating17+4+
DeveloperNguyen Tuan Anhๆ™“ๆดช ๆข

In-app purchases

None

i

No in-app purchases

2 purchases

CoinLens

Subscriptions2
  • CoinLens Pro Monthly7 Days trial$4.991 Month
  • CoinLens Pro Yearly7 Days trial$39.991 Year

Questions

Is i free?
i is free to download, with no in-app purchases.
Is CoinLens free?
CoinLens is free to download, with in-app purchases available.
Do i or CoinLens have ads?
Neither i nor CoinLens shows ads.
Which is updated more often, i or CoinLens?
i ships an update every 10 days, and CoinLens every 4 weeks. Most recently, i was updated on October 11, 2026 and CoinLens on October 10, 2026.

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