# 刻度Scale vs FlowDoc

The clearest difference is price: FlowDoc at Free against 刻度Scale's $0.99. 刻度Scale's advantage is in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

FlowDoc is free to download; 刻度Scale costs $0.99 up front. FlowDoc sells 3 in-app purchases, starting at $0.99 per month. 刻度Scale asks for nothing beyond the download.

刻度Scale ships an update weekly, FlowDoc every 10 days. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 刻度Scale | FlowDoc |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Size | 3 MB | 8 MB |
| Requires iOS | 17.6 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [浚羿 王](https://appshunter.io/developer/1854984027) | [启东 吴](https://appshunter.io/developer/1784495162) |

## What reviewers say

### 刻度Scale

[App page](https://appshunter.io/ios/app/scale/id6756906841)

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

**In-app purchases:** none


### FlowDoc

[App page](https://appshunter.io/ios/app/flowdoc/id6762466608)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlowDoc Monthly Subscription | $0.99 | per month |
| FlowDoc Annual Subscription | $7.99 | per year |
| FlowDoc Lifetime Membership | $9.99 | one-time |


## Frequently asked questions

### Is 刻度Scale free?

刻度Scale costs $0.99, with no in-app purchases.

### Is FlowDoc free?

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

### Do 刻度Scale or FlowDoc have ads?

Neither 刻度Scale nor FlowDoc shows ads.

### Which is updated more often, 刻度Scale or FlowDoc?

刻度Scale ships an update weekly, and FlowDoc every 10 days. Most recently, 刻度Scale was updated on September 28, 2026 and FlowDoc on September 29, 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.*