# Curveseries vs Sphere Mobile

The clearest difference is update cadence: Sphere Mobile at every 6 weeks against Curveseries's every 5 months. Curveseries's advantage is iOS requirement (11.0 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.

Curveseries ships an update every 5 months, Sphere Mobile every 6 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | Curveseries | Sphere Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Size | 7 MB | 42 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chang Ching Chng](https://appshunter.io/developer/1239780941) | [Sphere Innovations](https://appshunter.io/developer/1568741546) |

## What reviewers say

### Curveseries

[App page](https://appshunter.io/ios/app/curveseries/id1239780942)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sphere Mobile

[App page](https://appshunter.io/ios/app/sphere-mobile/id1587578956)

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

**In-app purchases:** none


## Frequently asked questions

### Is Curveseries free?

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

### Is Sphere Mobile free?

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

### Do Curveseries or Sphere Mobile have ads?

Neither Curveseries nor Sphere Mobile shows ads.

### Which is updated more often, Curveseries or Sphere Mobile?

Curveseries ships an update every 5 months, and Sphere Mobile every 6 weeks. Most recently, Curveseries was updated on October 7, 2026 and Sphere Mobile on October 7, 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.*