# MOBIScope vs Viva

The clearest difference is in-app purchases: MOBIScope at none against Viva's 9. MOBIScope also leads on iOS requirement (10.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Viva sells 9 one-off in-app purchases. MOBIScope asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 20, 2026.

## The numbers

| Metric | MOBIScope | Viva |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/viva-sing/id6800981232/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 91.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 81 MB | 20 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MOBI Technologies, Inc.](https://appshunter.io/developer/1448323652) | [FOSTER LANGLEY](https://appshunter.io/developer/6800981234) |

## What reviewers say

### MOBIScope

[App page](https://appshunter.io/ios/app/mobiscope/id6758604071)

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

**In-app purchases:** none


### Viva

[App page](https://appshunter.io/ios/app/viva-sing/id6800981232)

This app is a community for singers to share performances, discover new talent, and learn vocal techniques. Connect with other music lovers through discussion groups and private messaging, fostering a safe and supportive environment for all users.

**Highlights:** Share singing performances, Discover new singers, Access singing tips and techniques, Join or create discussion groups, Follow favorite singers, Private messaging with mutual followers, Content moderation for safety

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Pack 1 | $0.99 | one-time |
| Coin Pack 2 | $1.99 | one-time |
| Coin Pack 3 | $4.99 | one-time |
| Coin Pack 4 | $9.99 | one-time |
| Coin Pack 8 | $12.99 | one-time |
| Coin Pack 5 | $19.99 | one-time |
| Coin Pack 6 | $49.99 | one-time |
| Coin Pack 9 | $79.99 | one-time |
| Coin Pack 7 | $99.99 | one-time |


## Frequently asked questions

### Is MOBIScope free?

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

### Is Viva free?

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

### Do MOBIScope or Viva have ads?

Neither MOBIScope nor Viva shows ads.

### Which is updated more often, MOBIScope or Viva?

MOBIScope ships an update every 3 weeks, and Viva every 3 weeks. Most recently, MOBIScope was updated on October 20, 2026 and Viva on October 20, 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.*