# SphereDR vs Simple Calculator Multi

The clearest difference is update cadence: SphereDR at every 2 months against Simple Calculator Multi's every 13 months. SphereDR also leads on iOS requirement (8.0 vs 15.1). 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.

SphereDR ships an update every 2 months, Simple Calculator Multi every 13 months. Both last shipped on October 2, 2026.

## The numbers

| Metric | SphereDR | Simple Calculator Multi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Free | — |
| Size | 29 MB | 25 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHENYANG TITLETECH CO., LTD](https://appshunter.io/developer/865101459) | [tadashi endo](https://appshunter.io/developer/1605441215) |

## What reviewers say

### SphereDR

[App page](https://appshunter.io/ios/app/spheredr/id1249262915)

Control your vehicle's driving recorder wirelessly. View live feeds, capture photos and videos, manage files, and adjust camera settings. Download footage directly to your mobile device.

**Highlights:** Live camera feed, Start/stop video recording, Take photos, Video and photo playback, Wireless file download, Adjust camera settings, File management

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Calculator Multi

[App page](https://appshunter.io/ios/app/simple-calculator-multi-screen/id1605441213)

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

**In-app purchases:** none


## Frequently asked questions

### Is SphereDR free?

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

### Is Simple Calculator Multi free?

Simple Calculator Multi is free to download, with no in-app purchases.

### Do SphereDR or Simple Calculator Multi have ads?

Neither SphereDR nor Simple Calculator Multi shows ads.

### Which is updated more often, SphereDR or Simple Calculator Multi?

SphereDR ships an update every 2 months, and Simple Calculator Multi every 13 months. Most recently, SphereDR was updated on October 2, 2026 and Simple Calculator Multi on October 2, 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.*