# Habit Stack vs GrindXP

The clearest difference is in-app purchases: GrindXP at none against Habit Stack's 3. GrindXP also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Habit Stack sells 3 in-app purchases, starting at $1.99 per month. GrindXP asks for nothing beyond the download.

Habit Stack ships an update every 2 months, GrindXP every 3 weeks. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Habit Stack | GrindXP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 11 MB | 37 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Reuben Enterprises Ltd](https://appshunter.io/developer/1804593784) | [ION ANGHEL](https://appshunter.io/developer/1888938894) |

## What reviewers say

### Habit Stack

[App page](https://appshunter.io/ios/app/habit-stack-self-care/id6758116671)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime | $39.99 | one-time |


### GrindXP

[App page](https://appshunter.io/ios/app/grindxp/id6761328314)

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

**In-app purchases:** none


## Frequently asked questions

### Is Habit Stack free?

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

### Is GrindXP free?

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

### Do Habit Stack or GrindXP have ads?

Neither Habit Stack nor GrindXP shows ads.

### Which is updated more often, Habit Stack or GrindXP?

Habit Stack ships an update every 2 months, and GrindXP every 3 weeks. Most recently, Habit Stack was updated on September 18, 2026 and GrindXP on September 24, 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.*