# SDR Gold vs Memoth

The clearest difference is in-app purchases: SDR Gold at none against Memoth's 6. SDR Gold also leads on iOS requirement (12.0 vs 18.0). Memoth's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Memoth sells 6 in-app purchases, starting at $2.99 per 7 days. SDR Gold asks for nothing beyond the download.

SDR Gold ships an update every 3 weeks, Memoth every 5 days. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SDR Gold | Memoth |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 62 MB | 93 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Aurify](https://appshunter.io/developer/1812159103) | [Rotem Doron](https://appshunter.io/developer/1685677169) |

## What reviewers say

### SDR Gold

[App page](https://appshunter.io/ios/app/sdr-gold/id6670598838)

**Features:** macOS Compatibility

**In-app purchases:** none


### Memoth

[App page](https://appshunter.io/ios/app/memoth-ai-note-taker/id6760653490)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memoth | $2.99 | per 7 days |
| Memoth Pro Plus | $5.99 | per 7 days |
| Memoth Pro | $9.99 | per month |
| Memoth Pro Plus | $24.99 | per month |
| Memoth Pro | $89.99 | per year |
| Memoth Pro Plus | $189.99 | per year |


## Frequently asked questions

### Is SDR Gold free?

SDR Gold is free to download, with no in-app purchases.

### Is Memoth free?

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

### Do SDR Gold or Memoth have ads?

Neither SDR Gold nor Memoth shows ads.

### Which is updated more often, SDR Gold or Memoth?

SDR Gold ships an update every 3 weeks, and Memoth every 5 days. Most recently, SDR Gold was updated on October 4, 2026 and Memoth on October 17, 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.*