# iDOS 3 vs RigCheck

The clearest difference is chart position: iDOS 3 at #192 against RigCheck's unranked. iDOS 3 also leads on iOS requirement (15.0 vs 17.0). RigCheck's advantage is price ($2.99 vs $4.99). On update cadence, ads, in-app purchases and device support there is nothing between them.

iDOS 3 costs $4.99 and RigCheck $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iDOS 3 ships an update every 6 weeks, RigCheck monthly. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | iDOS 3 | RigCheck |
| --- | --- | --- |
| Price | $4.99 | **$2.99** |
| Rating | **[4.3 (52 ratings)](https://appshunter.io/ios/app/idos-3/id1580768213/reviews)** | — |
| Number of ratings | **52** | — |
| Positive reviews | 69.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Best chart rank | **#192** | — |
| Size | 8 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [潮激 李](https://appshunter.io/developer/342075158) | [Stolk.cc](https://appshunter.io/developer/313529099) |

## What reviewers say

### iDOS 3

[App page](https://appshunter.io/ios/app/idos-3/id1580768213)

**Currently charting:** #192 Top Paid · Utilities (US App Store)

Experience classic DOS games and applications on your iPhone and iPad. This app emulates a DOS PC, offering modern controls for enhanced playability. It also supports productivity tasks like word processing and programming.

**Highlights:** On-screen keyboard with custom layouts, Virtual gamepad with customizable bindings, Trackpad mouse emulation, MT-32 emulation and MIDI support, Bluetooth keyboard and gamepad support, Bluetooth mouse support

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

**In-app purchases:** none

**What reviewers like**

- 🎮 Playable classic DOS games
- 🤖 Great DOS emulator functionality
- 🎨 Awesome interface and user experience
- 🔍 Supports mounting of various disk formats (floppies, ISOs)
- 🖥️ Works best on M1/M2/M4 iPads

**What reviewers complain about**

- 🕹️ Steep learning curve for casual users
- 🔧 Lacks support for some common disk formats (e.g. .img, .iso)
- 🎮 Issues with game controls and mapping
- 📁 Difficulty managing multiple floppy disk installers
- 🔍 Limited disk mounting options in landscape mode


### RigCheck

[App page](https://appshunter.io/ios/app/rigcheck-rigging-inspector/id6758738427)

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

**In-app purchases:** none


## Frequently asked questions

### Is iDOS 3 free?

iDOS 3 costs $4.99, with no in-app purchases.

### Is RigCheck free?

RigCheck costs $2.99, with no in-app purchases.

### Do iDOS 3 or RigCheck have ads?

Neither iDOS 3 nor RigCheck shows ads.

### Which is updated more often, iDOS 3 or RigCheck?

iDOS 3 ships an update every 6 weeks, and RigCheck monthly. Most recently, iDOS 3 was updated on October 24, 2026 and RigCheck on October 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.*