# TDPP vs Jev AI

The clearest difference is in-app purchases: TDPP at none against Jev AI's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Jev AI sells 4 in-app purchases, starting at $2.99 per 7 days. TDPP asks for nothing beyond the download.

TDPP ships an update every 2 months, Jev AI every 6 weeks. The most recent releases landed on October 28, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | TDPP | Jev AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 12 MB | 127 MB |
| Requires iOS | **15.6** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhejiang Jiecang Linear Motion Technology Co.,Ltd.](https://appshunter.io/developer/1105817538) | [江苏白猿网络科技有限公司](https://appshunter.io/developer/1596415431) |

## What reviewers say

### TDPP

[App page](https://appshunter.io/ios/app/tdpp/id6754865687)

**In-app purchases:** none


### Jev AI

[App page](https://appshunter.io/ios/app/jev-ai-ai/id6772197877)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包周会员 | $2.99 | per 7 days |
| 100灵感值 | $0.99 | one-time |
| 100灵感值-优惠 | $0.99 | one-time |
| 永久会员 | $44.99 | one-time |


## Frequently asked questions

### Is TDPP free?

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

### Is Jev AI free?

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

### Do TDPP or Jev AI have ads?

Neither TDPP nor Jev AI shows ads.

### Which is updated more often, TDPP or Jev AI?

TDPP ships an update every 2 months, and Jev AI every 6 weeks. Most recently, TDPP was updated on October 28, 2026 and Jev AI on October 14, 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.*