# DevHabit vs 刻度Scale

The clearest difference is price: DevHabit at Free against 刻度Scale's $0.99. 刻度Scale's advantage is in-app purchases (none vs 3) and update cadence (weekly vs every 4 months). On ads, device support and iOS requirement there is nothing between them.

DevHabit is free to download; 刻度Scale costs $0.99 up front. DevHabit sells 3 in-app purchases, starting at $2.99 per month. 刻度Scale asks for nothing beyond the download.

DevHabit ships an update every 4 months, 刻度Scale weekly. Both last shipped on September 28, 2026.

## The numbers

| Metric | DevHabit | 刻度Scale |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 3 MB | 3 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [珍珍 张](https://appshunter.io/developer/1607946529) | [浚羿 王](https://appshunter.io/developer/1854984027) |

## What reviewers say

### DevHabit

[App page](https://appshunter.io/ios/app/devhabit-habit-tracker/id6752989649)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly (Best Value) | $19.99 | per year |
| Pro Lifetime | $39.99 | one-time |


### 刻度Scale

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

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

**In-app purchases:** none


## Frequently asked questions

### Is DevHabit free?

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

### Is 刻度Scale free?

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

### Do DevHabit or 刻度Scale have ads?

Neither DevHabit nor 刻度Scale shows ads.

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

DevHabit ships an update every 4 months, and 刻度Scale weekly. Most recently, DevHabit was updated on September 28, 2026 and 刻度Scale on September 28, 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.*