# Re4G vs SparkEstimate

The clearest difference is in-app purchases: Re4G at none against SparkEstimate's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SparkEstimate sells 2 in-app purchases, starting at $39.99 per month. Re4G asks for nothing beyond the download.

Re4G ships an update every 3 days, SparkEstimate every 2 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Re4G | SparkEstimate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 94 MB | 13 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [shanmuka kommani](https://appshunter.io/developer/6773995966) | [Ralph Hartman](https://appshunter.io/developer/1865702432) |

## What reviewers say

### Re4G

[App page](https://appshunter.io/ios/app/re4g/id6774023101)

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

**In-app purchases:** none


### SparkEstimate

[App page](https://appshunter.io/ios/app/sparkestimate/id6799699946)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shop seat | $39.99 | per month |
| Company | $99.99 | per month |


## Frequently asked questions

### Is Re4G free?

Re4G is free to download, with no in-app purchases.

### Is SparkEstimate free?

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

### Do Re4G or SparkEstimate have ads?

Neither Re4G nor SparkEstimate shows ads.

### Which is updated more often, Re4G or SparkEstimate?

Re4G ships an update every 3 days, and SparkEstimate every 2 days. Most recently, Re4G was updated on October 28, 2026 and SparkEstimate on October 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.*