# Quant Authenticator vs Soulog

The clearest difference is in-app purchases: Quant Authenticator at none against Soulog's 10. Soulog's advantage is update cadence (every 5 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Soulog sells 10 in-app purchases, starting at $19.99 per month. Quant Authenticator asks for nothing beyond the download.

Quant Authenticator ships an update every 3 months, Soulog every 5 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Quant Authenticator | Soulog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/soulog/id6797458225/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 36 MB | 239 MB |
| Requires iOS | **16.0** | 16.1 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [esaqa GmbH](https://appshunter.io/developer/1545581496) | [Soulog Inc.](https://appshunter.io/developer/6797458227) |

## What reviewers say

### Quant Authenticator

[App page](https://appshunter.io/ios/app/quant-authenticator/id6459475820)

**Features:** Vision Pro support

**In-app purchases:** none


### Soulog

[App page](https://appshunter.io/ios/app/soulog/id6797458225)

This app acts as a personal context system, consolidating conversations, photos, and files into structured records. It offers advanced transcription, topic identification, and AI-powered summarization to help users organize and utilize their information effectively.

**Highlights:** AI transcription in 120+ languages, Speaker identification, Key topic and action item extraction, Context Map & Timeline visualization, Organize information into 'Spaces', AI-powered content generation (slides, reports), Integration with AI assistants (Claude, Codex, Cursor)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Soulog Pro Monthly | $19.99 | per month |
| Soulog Max Monthly | $29.99 | per month |
| Soulog Pro Yearly | $119.99 | per year |
| Soulog Max Yearly | $239.99 | per year |
| 500 Credits | $12.00 | one-time |
| 1000 Credits | $12.00 | one-time |
| 2000 Credits | $24.00 | one-time |
| 1500 Credits | $36.00 | one-time |
| 3000 Credits | $36.00 | one-time |
| 4000 Credits | $48.00 | one-time |


## Frequently asked questions

### Is Quant Authenticator free?

Quant Authenticator is free to download, with no in-app purchases.

### Is Soulog free?

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

### Do Quant Authenticator or Soulog have ads?

Neither Quant Authenticator nor Soulog shows ads.

### Which is updated more often, Quant Authenticator or Soulog?

Quant Authenticator ships an update every 3 months, and Soulog every 5 days. Most recently, Quant Authenticator was updated on November 3, 2026 and Soulog on November 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.*