# Arpej vs 100 Days Tracker

The clearest difference is in-app purchases: Arpej at none against 100 Days Tracker's 1. Arpej also leads on iOS requirement (12.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 100 Days Tracker sells 1 one-off in-app purchase. Arpej asks for nothing beyond the download.

Arpej ships an update every 2 months, 100 Days Tracker every 6 weeks. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Arpej | 100 Days Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 155 MB | 11 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [APPS HABITAT SAS](https://appshunter.io/developer/1477706148) | [Chad Goodyear](https://appshunter.io/developer/1448496611) |

## What reviewers say

### Arpej

[App page](https://appshunter.io/ios/app/arpej/id1631847268)

**Features:** macOS Compatibility

**In-app purchases:** none


### 100 Days Tracker

[App page](https://appshunter.io/ios/app/100-days-tracker/id6470750665)

This app helps you build lasting habits by tracking your daily progress on up to 100-day challenges. Customize your goals with themes and layouts, and share your achievements. Widgets offer at-a-glance progress updates.

**Highlights:** Track multiple 100-day challenges, Home screen widgets for progress, Customizable color themes, Grid and overview layouts, Share progress snapshots

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is Arpej free?

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

### Is 100 Days Tracker free?

100 Days Tracker is free to download, with in-app purchases available.

### Do Arpej or 100 Days Tracker have ads?

Neither Arpej nor 100 Days Tracker shows ads.

### Which is updated more often, Arpej or 100 Days Tracker?

Arpej ships an update every 2 months, and 100 Days Tracker every 6 weeks. Most recently, Arpej was updated on October 27, 2026 and 100 Days Tracker on October 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.*