# Readlog vs BookGrass

The clearest difference is in-app purchases: BookGrass at none against Readlog's 2. BookGrass also leads on ads (none vs shown) and update cadence (daily vs every 4 months). Readlog's advantage is iOS requirement (15.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Readlog sells 2 one-off in-app purchases. BookGrass asks for nothing beyond the download.

Readlog ships an update every 4 months, BookGrass daily. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Readlog | BookGrass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/readlog-reading-progress/id6744094486/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 9 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [Jaeyoung Heo](https://appshunter.io/developer/1833670805) |

## What reviewers say

### Readlog

[App page](https://appshunter.io/ios/app/readlog-reading-progress/id6744094486)

Easily track your reading progress with this app. Log books, monitor pages read or percentage completion, and set daily goals to build a consistent reading habit. Visualize your achievements to stay motivated.

**Highlights:** Track reading progress, Log books, Monitor pages/percentage, Set daily reading goals, Visualize progress, Develop reading habits

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |
| Treat to Lunch | $14.99 | one-time |


### BookGrass

[App page](https://appshunter.io/ios/app/bookgrass/id6757300121)

**In-app purchases:** none


## Frequently asked questions

### Is Readlog free?

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

### Is BookGrass free?

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

### Do Readlog or BookGrass have ads?

Readlog shows ads; BookGrass does not.

### Which is updated more often, Readlog or BookGrass?

Readlog ships an update every 4 months, and BookGrass daily. Most recently, Readlog was updated on October 13, 2026 and BookGrass on October 12, 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.*