# MEG Surveyor vs BIL Auth

The clearest difference is update cadence: MEG Surveyor at every 10 days against BIL Auth's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

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

MEG Surveyor ships an update every 10 days, BIL Auth every 9 months. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | MEG Surveyor | BIL Auth |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 9 months |
| Size | 38 MB | 25 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Machester Energy Grants](https://appshunter.io/developer/1737984435) | [Mohammad Ali](https://appshunter.io/developer/1782905918) |

## What reviewers say

### MEG Surveyor

[App page](https://appshunter.io/ios/app/meg-surveyor/id6480045355)

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

**In-app purchases:** none


### BIL Auth

[App page](https://appshunter.io/ios/app/bil-auth/id6738920573)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MEG Surveyor free?

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

### Is BIL Auth free?

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

### Do MEG Surveyor or BIL Auth have ads?

Neither MEG Surveyor nor BIL Auth shows ads.

### Which is updated more often, MEG Surveyor or BIL Auth?

MEG Surveyor ships an update every 10 days, and BIL Auth every 9 months. Most recently, MEG Surveyor was updated on October 14, 2026 and BIL Auth on October 12, 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.*