# Slip Testing vs Coin Identifier

The clearest difference is in-app purchases: Slip Testing at none against Coin Identifier's 3. Slip Testing also leads on iOS requirement (10.0 vs 17.2). Coin Identifier's advantage is update cadence (every 3 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Coin Identifier sells 3 in-app purchases, starting at $2.99 per 7 days. Slip Testing asks for nothing beyond the download.

Slip Testing ships an update every 5 months, Coin Identifier every 3 days. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Slip Testing | Coin Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/coin-identifier-value-checker/id6742482307/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | **Free** | Subscription |
| Size | 46 MB | 46 MB |
| Requires iOS | **10.0** | 17.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mackaroo Pty Ltd](https://appshunter.io/developer/1455489196) | [DreamTeam Apps](https://appshunter.io/developer/1271407617) |

## What reviewers say

### Slip Testing

[App page](https://appshunter.io/ios/app/slip-testing/id1455489197)

This app helps determine the slip resistance classification for pedestrian surfaces, ensuring they meet relevant standards. It utilizes the British Pendulum test method and includes a calculator for sloping surfaces and ramps.

**Highlights:** Slip resistance classification, British Pendulum test method, Fit for purpose assessment, International standards compliance, Sloping surface calculator, Pedestrian ramp calculator

**Features:** macOS Compatibility

**In-app purchases:** none


### Coin Identifier

[App page](https://appshunter.io/ios/app/coin-identifier-value-checker/id6742482307)

Identify coins instantly by taking a photo. Get details on year, country, market value, and rarity. Perfect for collectors, investors, and history buffs to learn about numismatics.

**Highlights:** Instant coin recognition via photo, Detailed coin information (year, country, value), Collectible rarity and market value assessment, Multi-country coin support, Intuitive and user-friendly interface, Add coins to collection

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Weekly Premium with Trial | $2.99 | per 7 days |
| Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is Slip Testing free?

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

### Is Coin Identifier free?

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

### Do Slip Testing or Coin Identifier have ads?

Neither Slip Testing nor Coin Identifier shows ads.

### Which is updated more often, Slip Testing or Coin Identifier?

Slip Testing ships an update every 5 months, and Coin Identifier every 3 days. Most recently, Slip Testing was updated on October 3, 2026 and Coin Identifier on October 13, 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.*