# DragOnce vs Second Brain TokKong

The clearest difference is in-app purchases: DragOnce at none against Second Brain TokKong's 2. DragOnce also leads on iOS requirement (11.0 vs 18.0). Second Brain TokKong's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Second Brain TokKong sells 2 one-off in-app purchases. DragOnce asks for nothing beyond the download.

DragOnce ships an update every 2 months, Second Brain TokKong weekly. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | DragOnce | Second Brain TokKong |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/second-brain-tokkong/id6742748996/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free |
| Size | 103 MB | 1.7 GB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Code Free Soft Limited](https://appshunter.io/developer/824589319) | [Bingjun Li](https://appshunter.io/developer/1724710405) |

## What reviewers say

### DragOnce

[App page](https://appshunter.io/ios/app/dragonce/id1020007878)

**In-app purchases:** none


### Second Brain TokKong

[App page](https://appshunter.io/ios/app/second-brain-tokkong/id6742748996)

This app transcribes voice to text and translates speech offline, all on your device. It offers AI-powered polishing, custom prompts for various text formats, and the ability to chat with PDFs privately.

**Highlights:** Offline voice to text transcription, On-device AI for text polishing, Offline speech translation, Custom AI prompts for various text formats, Chat with uploaded PDFs offline, Siri Shortcuts integration, Export transcripts to SRT and TXT

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TokKong Online AI Service Package | $1.99 | one-time |
| TokKong Pro | $9.99 | one-time |


## Frequently asked questions

### Is DragOnce free?

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

### Is Second Brain TokKong free?

Second Brain TokKong is free to download, with in-app purchases available.

### Do DragOnce or Second Brain TokKong have ads?

Neither DragOnce nor Second Brain TokKong shows ads.

### Which is updated more often, DragOnce or Second Brain TokKong?

DragOnce ships an update every 2 months, and Second Brain TokKong weekly. Most recently, DragOnce was updated on October 5, 2026 and Second Brain TokKong on October 2, 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.*