# Reading Diary vs Sumofox TV

The clearest difference is in-app purchases: Sumofox TV at none against Reading Diary's 1. Reading Diary's advantage is update cadence (every 3 months vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Reading Diary sells 1 one-off in-app purchase. Sumofox TV asks for nothing beyond the download.

Reading Diary ships an update every 3 months, Sumofox TV every 9 months. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Reading Diary | Sumofox TV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reading-diary-book-tracker/id1551851756/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 40 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zdenek Skrobak](https://appshunter.io/developer/1551851758) | [SumoFox Inc.](https://appshunter.io/developer/1797293153) |

## What reviewers say

### Reading Diary

[App page](https://appshunter.io/ios/app/reading-diary-book-tracker/id1551851756)

Organize your personal book collection by tracking, categorizing, and filtering your library. Add books by scanning barcodes or manually entering details. Share your reading progress and book information with friends.

**Highlights:** Track and categorize books, Scan barcodes for easy entry, Manual book detail entry, Filter and sort library, Share book information, Cross-device synchronization, Day/night theme

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $8.19 | one-time |


### Sumofox TV

[App page](https://appshunter.io/ios/app/sumofox-tv/id6742185737)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reading Diary free?

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

### Is Sumofox TV free?

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

### Do Reading Diary or Sumofox TV have ads?

Neither Reading Diary nor Sumofox TV shows ads.

### Which is updated more often, Reading Diary or Sumofox TV?

Reading Diary ships an update every 3 months, and Sumofox TV every 9 months. Most recently, Reading Diary was updated on September 9, 2026 and Sumofox TV on September 19, 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.*