# ThinkOnTheFly vs 超尘

The clearest difference is in-app purchases: 超尘 at none against ThinkOnTheFly's 3. 超尘 also leads on update cadence (weekly vs fortnightly) and iOS requirement (13 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. ThinkOnTheFly sells 3 in-app purchases, starting at $0.99 per month. 超尘 asks for nothing beyond the download.

ThinkOnTheFly ships an update fortnightly, 超尘 weekly. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ThinkOnTheFly | 超尘 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 10 MB | 190 MB |
| Requires iOS | 17.6 | **13** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [家贺 万](https://appshunter.io/developer/1820076368) | [北京超尘脱俗科技有限公司](https://appshunter.io/developer/1820837892) |

## What reviewers say

### ThinkOnTheFly

[App page](https://appshunter.io/ios/app/thinkonthefly/id6747250744)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Annual Plan | $2.99 | per year |
| Lifetime Access | $5.99 | one-time |


### 超尘

[App page](https://appshunter.io/ios/app/id6747326898)

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

**In-app purchases:** none


## Frequently asked questions

### Is ThinkOnTheFly free?

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

### Is 超尘 free?

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

### Do ThinkOnTheFly or 超尘 have ads?

Neither ThinkOnTheFly nor 超尘 shows ads.

### Which is updated more often, ThinkOnTheFly or 超尘?

ThinkOnTheFly ships an update fortnightly, and 超尘 weekly. Most recently, ThinkOnTheFly was updated on October 28, 2026 and 超尘 on October 30, 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.*