# C33采暖炉 vs FlowDoc

The clearest difference is in-app purchases: C33采暖炉 at none against FlowDoc's 3. C33采暖炉 also leads on iOS requirement (10.0 vs 16). FlowDoc's advantage is update cadence (every 10 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. FlowDoc sells 3 in-app purchases, starting at $0.99 per month. C33采暖炉 asks for nothing beyond the download.

C33采暖炉 ships an update every 2 months, FlowDoc every 10 days. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | C33采暖炉 | FlowDoc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/c33/id1361420050/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 69 MB | 8 MB |
| Requires iOS | **10.0** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [上海林内有限公司](https://appshunter.io/developer/1112845880) | [启东 吴](https://appshunter.io/developer/1784495162) |

## What reviewers say

### C33采暖炉

[App page](https://appshunter.io/ios/app/c33/id1361420050)

Control your heating system remotely from your smartphone. Monitor status, adjust settings, and receive important maintenance reminders for convenient and simple operation.

**Highlights:** Heating and hot water control, Fault and maintenance reminders, Smart scheduling, Device sharing, Multi-device control

**Features:** macOS Compatibility

**In-app purchases:** none


### FlowDoc

[App page](https://appshunter.io/ios/app/flowdoc/id6762466608)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlowDoc Monthly Subscription | $0.99 | per month |
| FlowDoc Annual Subscription | $7.99 | per year |
| FlowDoc Lifetime Membership | $9.99 | one-time |


## Frequently asked questions

### Is C33采暖炉 free?

C33采暖炉 is free to download, with no in-app purchases.

### Is FlowDoc free?

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

### Do C33采暖炉 or FlowDoc have ads?

Neither C33采暖炉 nor FlowDoc shows ads.

### Which is updated more often, C33采暖炉 or FlowDoc?

C33采暖炉 ships an update every 2 months, and FlowDoc every 10 days. Most recently, C33采暖炉 was updated on October 14, 2026 and FlowDoc on October 25, 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.*