# SIDT vs CypherAir

The clearest difference is update cadence: CypherAir at every 2 days against SIDT's every 2 weeks. SIDT's advantage is iOS requirement (11.0 vs 26.5). 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.

SIDT ships an update every 2 weeks, CypherAir every 2 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SIDT | CypherAir |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/sidt-http-request/id1272604556/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 14 MB | 79 MB |
| Requires iOS | **11.0** | 26.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [旭 赵](https://appshunter.io/developer/1170369316) | [康 陈](https://appshunter.io/developer/1862348574) |

## What reviewers say

### SIDT

[App page](https://appshunter.io/ios/app/sidt-http-request/id1272604556)

This tool allows developers to debug and analyze HTTP requests. It supports various HTTP methods, header and parameter editing, and multiple encoding options. View responses in different formats, search results, and exchange data via QR code or Multipeer Connectivity.

**Highlights:** POST/GET/PUT/DELETE/HEAD method support, Header and parameter editing, Base64, MD5, SHA, CRC encoding, Response data display (Web/Text/JSON), Data exchange via QR code/Multipeer Connectivity, Safari Share Extension integration

**Features:** macOS Compatibility

**In-app purchases:** none


### CypherAir

[App page](https://appshunter.io/ios/app/cypherair/id6760628384)

**In-app purchases:** none


## Frequently asked questions

### Is SIDT free?

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

### Is CypherAir free?

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

### Do SIDT or CypherAir have ads?

Neither SIDT nor CypherAir shows ads.

### Which is updated more often, SIDT or CypherAir?

SIDT ships an update every 2 weeks, and CypherAir every 2 days. Most recently, SIDT was updated on October 24, 2026 and CypherAir on October 19, 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.*