# IsDBI Reader vs ReadGem

The clearest difference is update cadence: ReadGem at every 4 days against IsDBI Reader's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IsDBI Reader ships an update every 3 weeks, ReadGem every 4 days. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | IsDBI Reader | ReadGem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isdbi-reader/id1567203321/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 40 MB | 27 MB |
| Requires iOS | **16.1** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Ethmar Advertising Company](https://appshunter.io/developer/1255316278) | [NEXTAOI, Inc](https://appshunter.io/developer/1748938499) |

## What reviewers say

### IsDBI Reader

[App page](https://appshunter.io/ios/app/isdbi-reader/id1567203321)

Access and organize Islamic economics, banking, and finance publications. This reader allows you to sync purchases, collections, bookmarks, and notes across all your devices for a personalized reading experience.

**Highlights:** Access purchased books across devices, Organize books into personal collections, Sync bookmarks, highlights, and notes, Customizable reading experience, Access research publications

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

**In-app purchases:** none


### ReadGem

[App page](https://appshunter.io/ios/app/readgem-read-learn-languages/id6770457167)

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

**In-app purchases:** none


## Frequently asked questions

### Is IsDBI Reader free?

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

### Is ReadGem free?

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

### Do IsDBI Reader or ReadGem have ads?

Neither IsDBI Reader nor ReadGem shows ads.

### Which is updated more often, IsDBI Reader or ReadGem?

IsDBI Reader ships an update every 3 weeks, and ReadGem every 4 days. Most recently, IsDBI Reader was updated on October 20, 2026 and ReadGem on October 8, 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.*