# ScanOnce vs Fields

The clearest difference is in-app purchases: ScanOnce at none against Fields's 1. Fields's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Fields sells 1 one-off in-app purchase. ScanOnce asks for nothing beyond the download.

ScanOnce ships an update every 2 months, Fields every 5 weeks. The most recent releases landed on May 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ScanOnce | Fields |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 3 MB | 44 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Johanna Hoppe](https://appshunter.io/developer/1869099620) | [Gaurav Rangnekar](https://appshunter.io/developer/1895760720) |

## What reviewers say

### ScanOnce

[App page](https://appshunter.io/ios/app/scanonce/id6759916701)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fields

[App page](https://appshunter.io/ios/app/fields-secure-notes-and-vault/id6764572947)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fields Pro Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is ScanOnce free?

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

### Is Fields free?

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

### Do ScanOnce or Fields have ads?

Neither ScanOnce nor Fields shows ads.

### Which is updated more often, ScanOnce or Fields?

ScanOnce ships an update every 2 months, and Fields every 5 weeks. Most recently, ScanOnce was updated on May 14, 2026 and Fields on September 18, 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.*