# ShelfShare vs Reading Tracker

The clearest difference is in-app purchases: ShelfShare at none against Reading Tracker's 4. ShelfShare also leads on iOS requirement (16.6 vs 18.2). Reading Tracker's advantage is ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Reading Tracker sells 4 in-app purchases, starting at $3.99 per month. ShelfShare asks for nothing beyond the download.

ShelfShare ships an update every 2 months, Reading Tracker every 9 days. The most recent releases landed on December 24, 2025 and September 15, 2026 respectively.

## The numbers

| Metric | ShelfShare | Reading Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 14 MB | 41 MB |
| Requires iOS | **16.6** | 18.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thierry MARKWITZ](https://appshunter.io/developer/1762279309) | [Alexis Gadbin](https://appshunter.io/developer/1804423978) |

## What reviewers say

### ShelfShare

[App page](https://appshunter.io/ios/app/shelfshare/id6627340041)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reading Tracker

[App page](https://appshunter.io/ios/app/reading-tracker-bookster/id6743769341)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Annual Subscription | $22.99 | per year |
| Lifetime Access | $34.99 | one-time |
| Lifetime Access | $69.99 | one-time |


## Frequently asked questions

### Is ShelfShare free?

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

### Is Reading Tracker free?

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

### Do ShelfShare or Reading Tracker have ads?

ShelfShare shows ads; Reading Tracker does not.

### Which is updated more often, ShelfShare or Reading Tracker?

ShelfShare ships an update every 2 months, and Reading Tracker every 9 days. Most recently, ShelfShare was updated on December 24, 2025 and Reading Tracker on September 15, 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.*