# Readloom vs ChatEngine

The clearest difference is update cadence: ChatEngine at daily against Readloom's every 8 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Readloom sells 1 one-off in-app purchase and ChatEngine sells 2 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

Readloom ships an update every 8 days, ChatEngine daily. Both last shipped on November 13, 2026.

## The numbers

| Metric | Readloom | ChatEngine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Daily** |
| Size | 9 MB | 40 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Nanthicha Chantasila](https://appshunter.io/developer/6774285020) | [Engine Smart Solutions LLC](https://appshunter.io/developer/6799847402) |

## What reviewers say

### Readloom

[App page](https://appshunter.io/ios/app/readloom-convert-pdf-to-epub/id6774285018)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iOS & iPadOS Pro | $4.99 | one-time |


### ChatEngine

[App page](https://appshunter.io/ios/app/chatengine/id6799847400)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Business | $29.99 | per month |
| ChatEngine Business | $199.99 | per year |


## Frequently asked questions

### Is Readloom free?

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

### Is ChatEngine free?

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

### Do Readloom or ChatEngine have ads?

Neither Readloom nor ChatEngine shows ads.

### Which is updated more often, Readloom or ChatEngine?

Readloom ships an update every 8 days, and ChatEngine daily. Most recently, Readloom was updated on November 13, 2026 and ChatEngine on November 13, 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.*