# Reading Time vs CLEO.

The clearest difference is in-app purchases: CLEO. at none against Reading Time's 2. CLEO. also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (14.0.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Reading Time sells 2 one-off in-app purchases. CLEO. asks for nothing beyond the download.

Reading Time ships an update every 3 weeks, CLEO. every 3 days. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Reading Time | CLEO. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (24 ratings)](https://appshunter.io/ios/app/reading-time-book-tracker/id1561460485/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 45 MB |
| Requires iOS | 26.0 | **14.0.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UX First](https://appshunter.io/developer/1481461807) | [Rosa Kalaidjian](https://appshunter.io/developer/1696614868) |

## What reviewers say

### Reading Time

[App page](https://appshunter.io/ios/app/reading-time-book-tracker/id1561460485)

This app helps readers estimate the remaining effort to finish a book based on their actual reading habits. It's designed for those who read in short, irregular sessions and want a realistic understanding of a book's time commitment.

**Highlights:** Estimate remaining book effort, Log reading sessions, Learn from reading pace, Realistic time commitment assessment, Track progress at your own pace

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock forever | $11.99 | one-time |
| Unlock forever (Special offer) | $11.99 | one-time |


### CLEO.

[App page](https://appshunter.io/ios/app/cleo/id6451115072)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reading Time free?

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

### Is CLEO. free?

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

### Do Reading Time or CLEO. have ads?

Neither Reading Time nor CLEO. shows ads.

### Which is updated more often, Reading Time or CLEO.?

Reading Time ships an update every 3 weeks, and CLEO. every 3 days. Most recently, Reading Time was updated on November 3, 2026 and CLEO. on October 27, 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.*