# Intérim Pro vs EIS

The clearest difference is in-app purchases: EIS at none against Intérim Pro's 2. EIS also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). Intérim Pro's advantage is update cadence (every 3 days vs fortnightly). On price and ads there is nothing between them.

Both are free to download. Intérim Pro sells 2 in-app purchases, starting at $6.99 per month. EIS asks for nothing beyond the download.

Intérim Pro ships an update every 3 days, EIS fortnightly. The most recent releases landed on September 9, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Intérim Pro | EIS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 32 MB | 49 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [InterimPro](https://appshunter.io/developer/1835692872) | [Yield](https://appshunter.io/developer/1529678750) |

## What reviewers say

### Intérim Pro

[App page](https://appshunter.io/ios/app/interim-pro/id6751545066)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PLUS Monthly | $6.99 | per month |
| PLUS Annual | $59.99 | per year |


### EIS

[App page](https://appshunter.io/ios/app/eis/id6754451587)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Intérim Pro free?

Intérim Pro is free to download, with in-app purchases available.

### Is EIS free?

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

### Do Intérim Pro or EIS have ads?

Neither Intérim Pro nor EIS shows ads.

### Which is updated more often, Intérim Pro or EIS?

Intérim Pro ships an update every 3 days, and EIS fortnightly. Most recently, Intérim Pro was updated on September 9, 2026 and EIS on September 6, 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.*