# Mud fluid vs Golden Record

The clearest difference is update cadence: Golden Record at every 2 days against Mud fluid's every 2 weeks. Golden Record also leads on review sentiment (100% vs 77%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Mud fluid sells 3 one-off in-app purchases and Golden Record sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Mud fluid ships an update every 2 weeks, Golden Record every 2 days. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Mud fluid | Golden Record |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/golden-record/id6501951254/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 76.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 14 MB |
| Requires iOS | **16.1** | 17.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dmitry Pavlov](https://appshunter.io/developer/1582369829) | [Unicorn Road LLC](https://appshunter.io/developer/1543752581) |

## What reviewers say

### Mud fluid

[App page](https://appshunter.io/ios/app/mud-fluid/id1582369827)

This app assists mud engineers with rapid calculations for wellbore flushing, including time and volume. It supports drilling intervals like surface casing and production casing, and can also compute solution weight and dilution. Metric units are currently available, with imperial units planned for a future update.

**Highlights:** Wellbore flushing time and volume calculation, Supports drilling intervals, Solution weight calculation, Dilution calculation, Metric units support

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tips | $0.99 | one-time |
| For cookies | $0.99 | one-time |
| For coffee | $4.99 | one-time |


### Golden Record

[App page](https://appshunter.io/ios/app/golden-record/id6501951254)

Preserve precious audio memories and stories with this voice journal app. Create personal albums, collaborate with loved ones, and invite others to record privately to build lasting keepsakes for generations.

**Highlights:** Capture life's precious moments, Create personal audio albums, Collaborate on albums with loved ones, Invite others to record privately, Preserve memories for generations

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Annual Subscription | $24.99 | per year |


## Frequently asked questions

### Is Mud fluid free?

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

### Is Golden Record free?

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

### Do Mud fluid or Golden Record have ads?

Neither Mud fluid nor Golden Record shows ads.

### Which is updated more often, Mud fluid or Golden Record?

Mud fluid ships an update every 2 weeks, and Golden Record every 2 days. Most recently, Mud fluid was updated on October 1, 2026 and Golden Record on October 15, 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.*