# Calculee vs RoomEye Drone

The clearest difference is price: RoomEye Drone at Free against Calculee's $2.99. RoomEye Drone also leads on in-app purchases (none vs 1) and update cadence (every 9 days vs every 5 weeks). On ads, device support and iOS requirement there is nothing between them.

RoomEye Drone is free to download; Calculee costs $2.99 up front. Calculee sells 1 one-off in-app purchase. RoomEye Drone asks for nothing beyond the download.

Calculee ships an update every 5 weeks, RoomEye Drone every 9 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Calculee | RoomEye Drone |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Size | 1 MB | 12 MB |
| Requires iOS | **14.3** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mikolaj Adamowicz](https://appshunter.io/developer/1448003183) | [Shenzhen Yilushi Technology Co.,ltd](https://appshunter.io/developer/1760309976) |

## What reviewers say

### Calculee

[App page](https://appshunter.io/ios/app/calculee/id1633369389)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Colors | $0.99 | one-time |


### RoomEye Drone

[App page](https://appshunter.io/ios/app/roomeye-drone/id6760639947)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculee free?

Calculee costs $2.99, and also offers in-app purchases.

### Is RoomEye Drone free?

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

### Do Calculee or RoomEye Drone have ads?

Neither Calculee nor RoomEye Drone shows ads.

### Which is updated more often, Calculee or RoomEye Drone?

Calculee ships an update every 5 weeks, and RoomEye Drone every 9 days. Most recently, Calculee was updated on November 7, 2026 and RoomEye Drone on November 9, 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.*