# SPIDER_PLUS vs SDM Agent

The clearest difference is update cadence: SPIDER_PLUS at every 2 weeks against SDM Agent's every 4 months. SDM Agent's advantage is device support (3 vs 1) and iOS requirement (10.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

SPIDER_PLUS ships an update every 2 weeks, SDM Agent every 4 months. The most recent releases landed on September 23, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | SPIDER_PLUS | SDM Agent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 133 MB | 10 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SpiderPlus & Co.](https://appshunter.io/developer/452916604) | [ISB Corporation](https://appshunter.io/developer/318273730) |

## What reviewers say

### SPIDER_PLUS

[App page](https://appshunter.io/ios/app/spider-plus/id452916601)

**Features:** macOS Compatibility

**In-app purchases:** none


### SDM Agent

[App page](https://appshunter.io/ios/app/sdm-agent/id739028997)

**In-app purchases:** none


## Frequently asked questions

### Is SPIDER_PLUS free?

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

### Is SDM Agent free?

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

### Do SPIDER_PLUS or SDM Agent have ads?

Neither SPIDER_PLUS nor SDM Agent shows ads.

### Which is updated more often, SPIDER_PLUS or SDM Agent?

SPIDER_PLUS ships an update every 2 weeks, and SDM Agent every 4 months. Most recently, SPIDER_PLUS was updated on September 23, 2026 and SDM Agent on May 17, 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.*