# MoBoo vs Delphi

The clearest difference is in-app purchases: Delphi at none against MoBoo's 10. Delphi also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. MoBoo sells 10 in-app purchases, starting at $19.99 per year. Delphi asks for nothing beyond the download.

MoBoo ships an update every 3 months, Delphi every 4 days. The most recent releases landed on October 7, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | MoBoo | Delphi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/delphi-classics-read-aloud/id6795305910/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 77 MB | 18 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [MoBoo, LLC](https://appshunter.io/developer/1089503086) | [Chenyu Li](https://appshunter.io/developer/6795305912) |

## What reviewers say

### MoBoo

[App page](https://appshunter.io/ios/app/moboo/id1089503087)

This app uses AI to find books your child will love, matching their interests and reading level. It helps children improve their reading skills with personalized suggestions and progress tracking. Parents can customize recommendations and monitor their child's development.

**Highlights:** AI-powered book recommendations, Personalized reading level adjustments, Parental controls for topic selection, Progress tracking and milestone celebration, Wide range of book options, Data-backed suggestions from educators

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MoBoo Yearly Base Fee | $19.99 | per year |
| MoBoo Yearly Rec. 2 Children | $39.99 | per year |
| MoBoo Yearly Rec. 3 Children | $49.99 | per year |
| MoBoo Yearly Rec. 4 Children | $59.99 | per year |
| MoBoo Yearly Rec. 5 Children | $69.99 | per year |
| MoBoo Yearly Rec. 6 Children | $79.99 | per year |
| MoBoo Yearly Rec. 7 Children | $89.99 | per year |
| MoBoo Yearly Rec. 8 Children | $99.99 | per year |
| MoBoo Yearly Rec. 9 Children | $109.99 | per year |
| MoBoo Yearly Rec. 10 Children | $119.99 | per year |


### Delphi

[App page](https://appshunter.io/ios/app/delphi-classics-read-aloud/id6795305910)

This app provides a synchronized reading and listening experience for classic literature. As the audio plays, the text is highlighted, and you can tap any sentence to resume narration from that exact point. Enjoy offline access to a curated library of timeless works.

**Highlights:** Synchronized text and audio narration, Tap to play sentence feature, Offline reading and listening, Automatic resume functionality, Bookmark saving, Background playback

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

**In-app purchases:** none


## Frequently asked questions

### Is MoBoo free?

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

### Is Delphi free?

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

### Do MoBoo or Delphi have ads?

MoBoo shows ads; Delphi does not.

### Which is updated more often, MoBoo or Delphi?

MoBoo ships an update every 3 months, and Delphi every 4 days. Most recently, MoBoo was updated on October 7, 2026 and Delphi on September 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.*