# OneCast vs Gemma's Gems

The clearest difference is update cadence: Gemma's Gems at every 3 days against OneCast's monthly. OneCast's advantage is iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OneCast sells 2 one-off in-app purchases and Gemma's Gems sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

OneCast ships an update monthly, Gemma's Gems every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OneCast | Gemma's Gems |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (10K ratings)](https://appshunter.io/ios/app/onecast/id1398182637/reviews)** | — |
| Number of ratings | **10K** | — |
| Positive reviews | 61.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 156 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bitwise Solutions Limited](https://appshunter.io/developer/1130455448) | [David Hopkinson](https://appshunter.io/developer/6810994514) |

## What reviewers say

### OneCast

[App page](https://appshunter.io/ios/app/onecast/id1398182637)

Transform your iPhone or iPad into an Xbox companion. Stream games from your console or the cloud, anywhere. Enjoy high-fidelity visuals and full controller support for an immersive gaming experience on the go.

**Highlights:** Stream Xbox games from console or cloud, Near-zero latency streaming, Up to 1440p resolution, Full Xbox controller support, Keyboard and mouse support, Xbox Party Chat, Picture-in-Picture mode

**Features:** Game Controller support, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additional Support | $9.99 | one-time |
| Full Unlock | $14.99 | one-time |

**What reviewers like**

- 🚀 Flawless streaming
- 👍 Easy to set up
- 💡 Ability to use Xbox controller
- 🚀 Smooth gameplay
- 👍 Convenient for gaming on the go

**What reviewers complain about**

- 🐛 Occasional crashes or disconnects
- 🔋 High battery consumption
- 🔒 Requires Xbox to be hardwired for best performance
- 🐛 Compatibility issues with Xbox Series X/S
- 🐛 On-screen controls not ideal for some games

**Reported bugs**

- Fails to connect to Xbox in some cases
- Audio/video desync issues
- Compatibility problems with certain games

**Requested features**

- Support for Xbox Series X/S
- Ability to stream over cellular data
- Option to customize on-screen controls
- Integration with Xbox Cloud Gaming
- Support for multiple Xbox consoles on one account


### Gemma's Gems

[App page](https://appshunter.io/ios/app/gemmas-gems/id6810994512)

**Features:** iMessage stickers

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Game Modes | $2.99 | one-time |


## Frequently asked questions

### Is OneCast free?

OneCast is free to download, with in-app purchases available.

### Is Gemma's Gems free?

Gemma's Gems is free to download, with in-app purchases available.

### Do OneCast or Gemma's Gems have ads?

Neither OneCast nor Gemma's Gems shows ads.

### Which is updated more often, OneCast or Gemma's Gems?

OneCast ships an update monthly, and Gemma's Gems every 3 days. Most recently, OneCast was updated on October 25, 2026 and Gemma's Gems on October 24, 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.*