# PicoralViewer vs iSphere

The clearest difference is update cadence: PicoralViewer at every 8 months against iSphere's every 38 months. iSphere's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 12.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PicoralViewer ships an update every 8 months, iSphere every 38 months. The most recent releases landed on October 3, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | PicoralViewer | iSphere |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 38 months |
| Size | 15 MB | 6 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [MEDIA Co., Ltd.](https://appshunter.io/developer/563742373) | [TOSHO.inc](https://appshunter.io/developer/433084489) |

## What reviewers say

### PicoralViewer

[App page](https://appshunter.io/ios/app/picoralviewer/id592078785)

**Features:** macOS Compatibility

**In-app purchases:** none


### iSphere

[App page](https://appshunter.io/ios/app/isphere/id1165236895)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PicoralViewer free?

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

### Is iSphere free?

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

### Do PicoralViewer or iSphere have ads?

Neither PicoralViewer nor iSphere shows ads.

### Which is updated more often, PicoralViewer or iSphere?

PicoralViewer ships an update every 8 months, and iSphere every 38 months. Most recently, PicoralViewer was updated on October 3, 2026 and iSphere on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*