# HOLIS Admin vs Calculator+

The clearest difference is in-app purchases: HOLIS Admin at none against Calculator+'s 2. HOLIS Admin also leads on update cadence (weekly vs every 4 months). Calculator+'s advantage is iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Calculator+ sells 2 in-app purchases, starting at $7.99 per 7 days. HOLIS Admin asks for nothing beyond the download.

HOLIS Admin ships an update weekly, Calculator+ every 4 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | HOLIS Admin | Calculator+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Size | 35 MB | 13 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CIM COMMUNICATION INFORMATION MANAGEME](https://appshunter.io/developer/523404080) | [Link Cross-Border E-Commerce Co., Limited](https://appshunter.io/developer/1700542022) |

## What reviewers say

### HOLIS Admin

[App page](https://appshunter.io/ios/app/holis-admin/id1627875730)

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

**In-app purchases:** none


### Calculator+

[App page](https://appshunter.io/ios/app/calculator-plus-math-solver/id6758385301)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Ultra | $7.99 | per 7 days |
| Yearly Ultra | $39.99 | per year |


## Frequently asked questions

### Is HOLIS Admin free?

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

### Is Calculator+ free?

Calculator+ is free to download, with in-app purchases available.

### Do HOLIS Admin or Calculator+ have ads?

Neither HOLIS Admin nor Calculator+ shows ads.

### Which is updated more often, HOLIS Admin or Calculator+?

HOLIS Admin ships an update weekly, and Calculator+ every 4 months. Most recently, HOLIS Admin was updated on November 3, 2026 and Calculator+ on November 5, 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.*