# Revenue Integrity Symposium vs Mainframe Technical Exchange

The clearest difference is iOS requirement: Mainframe Technical Exchange at 15.1 against Revenue Integrity Symposium's 18.0. 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.

## The numbers

| Metric | Revenue Integrity Symposium | Mainframe Technical Exchange |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 27 MB | 29 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AHIMA](https://appshunter.io/developer/564959896) | [Broadcom Inc](https://appshunter.io/developer/1497585038) |

## What reviewers say

### Revenue Integrity Symposium

[App page](https://appshunter.io/ios/app/revenue-integrity-symposium/id6751297222)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mainframe Technical Exchange

[App page](https://appshunter.io/ios/app/mainframe-technical-exchange/id6761268342)

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

**In-app purchases:** none


## Frequently asked questions

### Is Revenue Integrity Symposium free?

Revenue Integrity Symposium is free to download, with no in-app purchases.

### Is Mainframe Technical Exchange free?

Mainframe Technical Exchange is free to download, with no in-app purchases.

### Do Revenue Integrity Symposium or Mainframe Technical Exchange have ads?

Neither Revenue Integrity Symposium nor Mainframe Technical Exchange shows ads.

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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.*