# 睿图 vs Formudrag

The clearest difference is update cadence: Formudrag at every 2 months against 睿图's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 睿图 sells 6 one-off in-app purchases and Formudrag sells 7 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

睿图 ships an update every 5 months, Formudrag every 2 months. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 睿图 | Formudrag |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 6 MB | 94 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [RootSportsInvestmentBeijingCo.,Ltd.](https://appshunter.io/developer/977148898) | [欣 王](https://appshunter.io/developer/1816555255) |

## What reviewers say

### 睿图

[App page](https://appshunter.io/ios/app/id6450877469)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月会员 | $5.99 | one-time |
| 学生1年会员 | $14.99 | one-time |
| 3个月会员 | $14.99 | one-time |
| 6个月会员 | $19.99 | one-time |
| 1年会员 | $29.99 | one-time |
| 2年会员 | $49.99 | one-time |


### Formudrag

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $12.99 | per year |
| Drag Indicator Styles | $1.99 | one-time |
| Formula History Access | $2.99 | one-time |
| Export Formats | $4.99 | one-time |
| Lifetime | $29.99 | one-time |
| Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is 睿图 free?

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

### Is Formudrag free?

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

### Do 睿图 or Formudrag have ads?

Neither 睿图 nor Formudrag shows ads.

### Which is updated more often, 睿图 or Formudrag?

睿图 ships an update every 5 months, and Formudrag every 2 months. Most recently, 睿图 was updated on September 28, 2026 and Formudrag on September 24, 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.*