# SPMS vs 智海

The clearest difference is update cadence: 智海 at every 2 months against SPMS's every 11 months. SPMS's advantage is iOS requirement (8.1 vs 13.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SPMS ships an update every 11 months, 智海 every 2 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SPMS | 智海 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 51 MB | 71 MB |
| Requires iOS | **8.1** | 13.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Advantech](https://appshunter.io/developer/413213069) | [黄宝 曾](https://appshunter.io/developer/1402955545) |

## What reviewers say

### SPMS

[App page](https://appshunter.io/ios/app/spms/id1278902005)

**Features:** macOS Compatibility

**In-app purchases:** none


### 智海

[App page](https://appshunter.io/ios/app/id1567790785)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SPMS free?

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

### Is 智海 free?

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

### Do SPMS or 智海 have ads?

Neither SPMS nor 智海 shows ads.

### Which is updated more often, SPMS or 智海?

SPMS ships an update every 11 months, and 智海 every 2 months. Most recently, SPMS was updated on October 26, 2026 and 智海 on October 27, 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.*