# KI vs Coin Checker

The clearest difference is in-app purchases: KI at none against Coin Checker's 4. KI also leads on ads (none vs shown) and iOS requirement (12.2 vs 14.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Coin Checker sells 4 in-app purchases, starting at $5.99 per 7 days. KI asks for nothing beyond the download.

KI ships an update every 3 weeks, Coin Checker monthly. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | KI | Coin Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/coin-checker-ai-scanner/id6477150796/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 95 MB |
| Requires iOS | **12.2** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Karolinska Institutet](https://appshunter.io/developer/969523861) | [TECHFLINES JOINT STOCK COMPANY](https://appshunter.io/developer/1728616987) |

## What reviewers say

### KI

[App page](https://appshunter.io/ios/app/ki-diary/id1536412016)

**Features:** macOS Compatibility

**In-app purchases:** none


### Coin Checker

[App page](https://appshunter.io/ios/app/coin-checker-ai-scanner/id6477150796)

Instantly identify coin types from around the world using AI-powered image recognition. Get detailed numismatic specifications, pricing estimates, and historical information to enhance your coin collecting hobby. Organize and track your entire collection's value with ease.

**Highlights:** AI-powered coin identification, Numismatic specifications, Pricing estimation, Collection tracking, Identify rare and error coins, Grading via photos

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekyly | $5.99 | per 7 days |
| Monthly | $9.99 | per month |
| Yearly | $17.99 | per year |
| Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is KI free?

KI is free to download, with no in-app purchases.

### Is Coin Checker free?

Coin Checker is free to download, with in-app purchases available.

### Do KI or Coin Checker have ads?

Coin Checker shows ads; KI does not.

### Which is updated more often, KI or Coin Checker?

KI ships an update every 3 weeks, and Coin Checker monthly. Most recently, KI was updated on November 7, 2026 and Coin Checker on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*