# TetraClock+ vs DevHabit

The clearest difference is price: DevHabit at Free against TetraClock+'s $2.99. TetraClock+'s advantage is in-app purchases (none vs 3) and update cadence (every 5 days vs every 4 months). On ads there is nothing between them.

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

TetraClock+ ships an update every 5 days, DevHabit every 4 months. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | TetraClock+ | DevHabit |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 months |
| Size | 6 MB | 3 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) | [珍珍 张](https://appshunter.io/developer/1607946529) |

## What reviewers say

### TetraClock+

[App page](https://appshunter.io/ios/app/tetraclock-plus-falling-block/id6505106046)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is TetraClock+ free?

TetraClock+ costs $2.99, with no in-app purchases.

### Is DevHabit free?

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

### Do TetraClock+ or DevHabit have ads?

Neither TetraClock+ nor DevHabit shows ads.

### Which is updated more often, TetraClock+ or DevHabit?

TetraClock+ ships an update every 5 days, and DevHabit every 4 months. Most recently, TetraClock+ was updated on September 20, 2026 and DevHabit on September 10, 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.*