# Chugs vs Leaf

The clearest difference is update cadence: Chugs at every 3 days against Leaf's every 4 weeks. Chugs also leads on iOS requirement (16.4 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chugs sells 4 in-app purchases, starting at $0.99 per month and Leaf sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Chugs ships an update every 3 days, Leaf every 4 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Chugs | Leaf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/chugs-reading-tracker-and-log/id6755896899/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Monetization | Freemium | — |
| Size | 74 MB | 26 MB |
| Requires iOS | **16.4** | 18 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Serhat Andic](https://appshunter.io/developer/1802031276) | [John Keith Zank](https://appshunter.io/developer/1859991220) |

## What reviewers say

### Chugs

[App page](https://appshunter.io/ios/app/chugs-reading-tracker-and-log/id6755896899)

Track your reading habits with detailed insights and a visually engaging interface. Save favorite quotes, monitor reading sessions, and manage your book library. Offers advanced habit tracking features like streaks and heatmaps.

**Highlights:** Visual reading timelines, Advanced habit tracking (streaks, heatmaps), Yearly reading challenges, Commonplace book for quotes, Focused reading timer, Library management (TBR, finished, current), Detailed reading insights

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Monthly Pro | $1.99 | per month |
| Yearly Pro | $2.99 | per year |
| Yearly Pro | $9.99 | per year |


### Leaf

[App page](https://appshunter.io/ios/app/leaf-reading-tracker/id6756308689)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| eBook Reader | $1.99 | one-time |
| Generious Tip | $2.99 | one-time |
| Audiobook Player | $4.99 | one-time |


## Frequently asked questions

### Is Chugs free?

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

### Is Leaf free?

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

### Do Chugs or Leaf have ads?

Neither Chugs nor Leaf shows ads.

### Which is updated more often, Chugs or Leaf?

Chugs ships an update every 3 days, and Leaf every 4 weeks. Most recently, Chugs was updated on September 21, 2026 and Leaf on September 22, 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.*