# SDAR智能助手 vs Formudrag

The clearest difference is in-app purchases: SDAR智能助手 at none against Formudrag's 5. SDAR智能助手 also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 15.0). Formudrag's advantage is device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Formudrag sells 5 in-app purchases, starting at $2.99 per month. SDAR智能助手 asks for nothing beyond the download.

SDAR智能助手 ships an update every 3 weeks, Formudrag every 2 months. The most recent releases landed on June 5, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | SDAR智能助手 | Formudrag |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sdar/id1563408637/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 156 MB | 94 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Shenzhen External Brain Technology Co., Ltd.](https://appshunter.io/developer/1563408639) | [欣 王](https://appshunter.io/developer/1816555255) |

## What reviewers say

### SDAR智能助手

[App page](https://appshunter.io/ios/app/sdar/id1563408637)

This AI-powered assistant helps you build healthy habits by recording your daily life from a first-person perspective. It analyzes your routines, provides personalized plans, and connects you with a supportive community to achieve your goals.

**Highlights:** First-person daily life recording, AI analysis of daily events, Data visualization of habits, Personalized AI-generated plans, Community interaction and sharing, Convenient hardware integration

**In-app purchases:** none


### Formudrag

[App page](https://appshunter.io/ios/app/formudrag/id6746382275)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $19.99 | per year |
| Lifetime | $29.99 | one-time |
| Lifetime | $39.99 | one-time |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is SDAR智能助手 free?

SDAR智能助手 is free to download, with no in-app purchases.

### Is Formudrag free?

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

### Do SDAR智能助手 or Formudrag have ads?

Neither SDAR智能助手 nor Formudrag shows ads.

### Which is updated more often, SDAR智能助手 or Formudrag?

SDAR智能助手 ships an update every 3 weeks, and Formudrag every 2 months. Most recently, SDAR智能助手 was updated on June 5, 2026 and Formudrag on September 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.*