# White Rock UMC vs Opcodes

The clearest difference is in-app purchases: White Rock UMC at none against Opcodes's 1. White Rock UMC also leads on rating (5.0 vs 4.8) and device support (4 vs 2). Opcodes's advantage is update cadence (every 8 days vs every 3 months) and ratings volume (6 vs 1). On price, ads and monetization model there is nothing between them.

Both are free to download. Opcodes sells 1 one-off in-app purchase. White Rock UMC asks for nothing beyond the download.

White Rock UMC holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Opcodes has 6 ratings behind it against 1, so its average is the more settled of the two.

White Rock UMC ships an update every 3 months, Opcodes every 8 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | White Rock UMC | Opcodes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/white-rock-umc/id1623513893/reviews)** | [4.8 (6 ratings)](https://appshunter.io/ios/app/opcodes-retro-cpu-reference/id6760205834/reviews) |
| Number of ratings | 1 | **6** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 46 MB | 58 MB |
| Requires iOS | **13.4** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [White Rock United Methodist Church](https://appshunter.io/developer/1623513895) | [John Kennedy](https://appshunter.io/developer/284943103) |

## What reviewers say

### White Rock UMC

[App page](https://appshunter.io/ios/app/white-rock-umc/id1623513893)

This app connects you with a welcoming Christian community focused on neighborhood transformation. It celebrates diverse worship styles and theological viewpoints, affirming the sacred worth of all individuals.

**Highlights:** Community connection, Neighborhood transformation focus, Diverse worship celebration, Affirmation of all people, Spiritual guidance

**In-app purchases:** none


### Opcodes

[App page](https://appshunter.io/ios/app/opcodes-retro-cpu-reference/id6760205834)

This app provides a comprehensive reference for retro CPU opcodes, including detailed descriptions, assembly examples, and historical context. It covers eighteen iconic processors and offers features like search, sorting, and filtering for easy exploration of historical computing information.

**Highlights:** Opcode reference for 18 iconic processors, Detailed instruction descriptions, Hex, octal, decimal values, Flags affected, addressing modes, cycle counts, Assembly code examples, CPU history and pinout diagrams, Simple assembler/disassembler

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee | $0.99 | one-time |


## Frequently asked questions

### Is White Rock UMC free?

White Rock UMC is free to download, with no in-app purchases.

### Is Opcodes free?

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

### Which has better reviews, White Rock UMC or Opcodes?

White Rock UMC is rated higher. White Rock UMC averages 5.0 out of 5 from 1 ratings, while Opcodes averages 4.8 from 6 ratings.

### Do White Rock UMC or Opcodes have ads?

Neither White Rock UMC nor Opcodes shows ads.

### Which is updated more often, White Rock UMC or Opcodes?

White Rock UMC ships an update every 3 months, and Opcodes every 8 days. Most recently, White Rock UMC was updated on October 6, 2026 and Opcodes on October 7, 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.*