# Crystal e View vs CoalMint

The clearest difference is in-app purchases: Crystal e View at none against CoalMint's 3. CoalMint's advantage is iOS requirement (11.1 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CoalMint sells 3 in-app purchases, starting at $149.99 per year. Crystal e View asks for nothing beyond the download.

Crystal e View ships an update every 5 months, CoalMint every 4 months. The most recent releases landed on September 8, 2026 and December 24, 2025 respectively.

## The numbers

| Metric | Crystal e View | CoalMint |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Size | 14 MB | 147 MB |
| Requires iOS | 15.6 | **11.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alpesh Dhanani](https://appshunter.io/developer/1425581272) | [SteelMint Info Services LLP](https://appshunter.io/developer/885759138) |

## What reviewers say

### Crystal e View

[App page](https://appshunter.io/ios/app/crystal-e-view/id1425581273)

**Features:** macOS Compatibility

**In-app purchases:** none


### CoalMint

[App page](https://appshunter.io/ios/app/coalmint/id1451921246)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PriceOnly12MonthsPlan | $149.99 | per year |
| 1 Year Auto Renew Plan | $249.99 | per year |
| Professional12Months | $300.00 | per year |


## Frequently asked questions

### Is Crystal e View free?

Crystal e View is free to download, with no in-app purchases.

### Is CoalMint free?

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

### Do Crystal e View or CoalMint have ads?

Neither Crystal e View nor CoalMint shows ads.

### Which is updated more often, Crystal e View or CoalMint?

Crystal e View ships an update every 5 months, and CoalMint every 4 months. Most recently, Crystal e View was updated on September 8, 2026 and CoalMint on December 24, 2025.

---

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