# Acana ZIP Code vs Rock Identifier

The clearest difference is review sentiment: Rock Identifier at 50% against Acana ZIP Code's 0%. Rock Identifier also leads on price (Free vs $1.99) and update cadence (every 6 weeks vs every 4 months). Acana ZIP Code's advantage is in-app purchases (none vs 4) and device support (3 vs 1). On ads there is nothing between them.

Rock Identifier is free to download; Acana ZIP Code costs $1.99 up front. Rock Identifier sells 4 in-app purchases, starting at $3.99 per 7 days. Acana ZIP Code asks for nothing beyond the download.

Acana ZIP Code ships an update every 4 months, Rock Identifier every 6 weeks. The most recent releases landed on September 28, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Acana ZIP Code | Rock Identifier |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/rock-identifier-gem-id/id6738001572/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 32 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [@pps4Me](https://appshunter.io/developer/536351521) | [Ramkumar Vellaisamy](https://appshunter.io/developer/1706335914) |

## What reviewers say

### Acana ZIP Code

[App page](https://appshunter.io/ios/app/acana-zip-code/id1090541902)

Easily find worldwide ZIP codes by name or coordinates. Copy postal codes, city details, and map information to your clipboard or share them. Export data in various formats like text, CSV, XLSX, and PDF.

**Highlights:** Find ZIP codes by name or coordinates, Copy postal codes and city details, Share location information, Export data to text, CSV, XLSX, PDF, Dark Mode support, Detailed address parameters

**Features:** macOS Compatibility

**In-app purchases:** none


### Rock Identifier

[App page](https://appshunter.io/ios/app/rock-identifier-gem-id/id6738001572)

Instantly identify rocks, gems, and crystals by taking a photo. Learn about their formation, characteristics, and locations. Build and manage your personal collection of geological discoveries.

**Highlights:** Instant photo identification, Detailed specimen information, Personal collection management, User-friendly interface, Geological discovery companion

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rock Pro Week | $3.99 | per 7 days |
| Rock Pro Month | $9.99 | per month |
| Rock Pro Year | $29.99 | per year |
| Gem Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Acana ZIP Code free?

Acana ZIP Code costs $1.99, with no in-app purchases.

### Is Rock Identifier free?

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

### Do Acana ZIP Code or Rock Identifier have ads?

Neither Acana ZIP Code nor Rock Identifier shows ads.

### Which is updated more often, Acana ZIP Code or Rock Identifier?

Acana ZIP Code ships an update every 4 months, and Rock Identifier every 6 weeks. Most recently, Acana ZIP Code was updated on September 28, 2026 and Rock Identifier on September 19, 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.*