# PARI Study Connect vs ARC Habit Tracker, App Blocker

The clearest difference is in-app purchases: PARI Study Connect at none against ARC Habit Tracker, App Blocker's 4. ARC Habit Tracker, App Blocker's advantage is update cadence (every 9 days vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ARC Habit Tracker, App Blocker sells 4 in-app purchases, starting at $4.99 per 7 days. PARI Study Connect asks for nothing beyond the download.

PARI Study Connect ships an update every 5 months, ARC Habit Tracker, App Blocker every 9 days. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | PARI Study Connect | ARC Habit Tracker, App Blocker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Size | 31 MB | 210 MB |
| Requires iOS | **15.2** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [PARI GmbH Spezialisten fuer effektive Inhalation](https://appshunter.io/developer/1521532043) | [Roland Fago](https://appshunter.io/developer/6794801883) |

## What reviewers say

### PARI Study Connect

[App page](https://appshunter.io/ios/app/pari-study-connect/id1598554689)

**In-app purchases:** none


### ARC Habit Tracker, App Blocker

[App page](https://appshunter.io/ios/app/arc-habit-tracker-app-blocker/id6794801881)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ARC Pro Weekly | $4.99 | per 7 days |
| ARC Pro Yearly – Offer | $24.99 | per year |
| ARC Pro Yearly | $59.99 | per year |
| ARC Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is PARI Study Connect free?

PARI Study Connect is free to download, with no in-app purchases.

### Is ARC Habit Tracker, App Blocker free?

ARC Habit Tracker, App Blocker is free to download, with in-app purchases available.

### Do PARI Study Connect or ARC Habit Tracker, App Blocker have ads?

Neither PARI Study Connect nor ARC Habit Tracker, App Blocker shows ads.

### Which is updated more often, PARI Study Connect or ARC Habit Tracker, App Blocker?

PARI Study Connect ships an update every 5 months, and ARC Habit Tracker, App Blocker every 9 days. Most recently, PARI Study Connect was updated on October 30, 2026 and ARC Habit Tracker, App Blocker on November 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.*