# AI口语Tiddy vs DeepEng

The clearest difference is iOS requirement: AI口语Tiddy at 13.0 against DeepEng's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AI口语Tiddy sells 6 one-off in-app purchases and DeepEng sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AI口语Tiddy ships an update every 2 weeks, DeepEng weekly. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AI口语Tiddy | DeepEng |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 329 MB | 235 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [海南文脉云端网络科技有限公司](https://appshunter.io/developer/1799877680) | [成都麦田外科技有限公司](https://appshunter.io/developer/1800915589) |

## What reviewers say

### AI口语Tiddy

[App page](https://appshunter.io/ios/app/aitiddy/id6742769436)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 98泰迪币 | $14.99 | one-time |
| 298泰迪币 | $39.99 | one-time |
| 518泰迪币 | $69.99 | one-time |
| 998泰迪币 | $149.99 | one-time |
| 2998泰迪币 | $399.99 | one-time |
| 4998泰迪币 | $699.99 | one-time |


### DeepEng

[App page](https://appshunter.io/ios/app/deepeng/id6746141434)

This immersive learning tool uses a "language vector space" theory and multimodal neural network training to help beginners acquire English naturally, like a native language. Its "scene-voice-semantics" system enhances learning efficiency.

**Highlights:** Immersive learning approach, Language vector space theory, Multimodal neural network training, Scene-voice-semantics system, Natural language acquisition, Zero-beginner friendly

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5天体验卡 | $7.99 | one-time |
| 365天年卡 | $449.99 | one-time |


## Frequently asked questions

### Is AI口语Tiddy free?

AI口语Tiddy is free to download, with in-app purchases available.

### Is DeepEng free?

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

### Do AI口语Tiddy or DeepEng have ads?

Neither AI口语Tiddy nor DeepEng shows ads.

### Which is updated more often, AI口语Tiddy or DeepEng?

AI口语Tiddy ships an update every 2 weeks, and DeepEng weekly. Most recently, AI口语Tiddy was updated on September 29, 2026 and DeepEng 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.*