# Butterfly Training vs HOLIS Admin

The clearest difference is update cadence: HOLIS Admin at every 5 days against Butterfly Training's every 4 months. Butterfly Training's advantage is iOS requirement (9.0 vs 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.

Butterfly Training ships an update every 4 months, HOLIS Admin every 5 days. The most recent releases landed on September 8, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Butterfly Training | HOLIS Admin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 40 MB | 94 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BUTTERFLY AERO TRAINING](https://appshunter.io/developer/1481266120) | [CIM COMMUNICATION INFORMATION MANAGEME](https://appshunter.io/developer/523404080) |

## What reviewers say

### Butterfly Training

[App page](https://appshunter.io/ios/app/butterfly-training/id1153427889)

**Features:** macOS Compatibility

**In-app purchases:** none


### HOLIS Admin

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Butterfly Training free?

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

### Is HOLIS Admin free?

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

### Do Butterfly Training or HOLIS Admin have ads?

Neither Butterfly Training nor HOLIS Admin shows ads.

### Which is updated more often, Butterfly Training or HOLIS Admin?

Butterfly Training ships an update every 4 months, and HOLIS Admin every 5 days. Most recently, Butterfly Training was updated on September 8, 2026 and HOLIS Admin on September 16, 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.*