What's the best iOS app for cataloging and valuing a coin collection?

CoinSnap is a robust solution for numismatists and casual collectors aiming to organize and assess coin collections. The app excels at instant coin identification using smartphone camera scans, covering coins from over 200 countries with details on year, mint marks, and rarity. This functionality is practical for real-world scenarios, such as evaluating pocket change for potential hidden value or documenting inherited collections for insurance purposes. Beyond identification, CoinSnap allows users to build a digital catalog that automatically logs coins, highlighting the most valuable, rarest, and oldest pieces. A notable feature is the tracking of total gold and silver content, appealing to investors in 'junk silver' or those monitoring precious metal holdings. Reviews indicate high accuracy in identification, and the free access model is frequently praised, though occasional prompts for paid packs can be dismissed.

However, the app has limitations. Some users note that value estimates for very old or obscure coins may lack detailed ranges, which could frustrate advanced collectors seeking precise appraisals. Additionally, while the cataloging tool is comprehensive, it might require manual adjustments for poorly preserved coins. Despite these minor imperfections, CoinSnap balances ease of use with depth, serving well for everyday checks, hobbyist cataloging, or educational purposes. Its ability to provide market-based value insights without subscriptions makes it a reliable choice for managing collections efficiently.