# Stratosphere vs Merge Numbers.io

The clearest difference is ads: Stratosphere at none against Merge Numbers.io's shown. Merge Numbers.io's advantage is update cadence (every 4 months vs every 38 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Stratosphere ships an update every 38 months, Merge Numbers.io every 4 months. The most recent releases landed on October 26, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Stratosphere | Merge Numbers.io |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 4 months** |
| Size | 20 MB | 60 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Eweguo AB](https://appshunter.io/developer/305628259) | [Atta Mohi Ud Din](https://appshunter.io/developer/1653234972) |

## What reviewers say

### Stratosphere

[App page](https://appshunter.io/ios/app/stratosphere-gravity-rush/id1369898181)

**Features:** macOS Compatibility

**In-app purchases:** none


### Merge Numbers.io

[App page](https://appshunter.io/ios/app/merge-numbersio/id6444798886)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stratosphere free?

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

### Is Merge Numbers.io free?

Merge Numbers.io is free to download, with no in-app purchases.

### Do Stratosphere or Merge Numbers.io have ads?

Merge Numbers.io shows ads; Stratosphere does not.

### Which is updated more often, Stratosphere or Merge Numbers.io?

Stratosphere ships an update every 38 months, and Merge Numbers.io every 4 months. Most recently, Stratosphere was updated on October 26, 2026 and Merge Numbers.io on September 29, 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.*