# FLAT Code Scanner vs Checklist Archive

The clearest difference is in-app purchases: FLAT Code Scanner at none against Checklist Archive's 1. Checklist Archive's advantage is update cadence (every 5 days vs every 32 months) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Checklist Archive sells 1 one-off in-app purchase. FLAT Code Scanner asks for nothing beyond the download.

FLAT Code Scanner ships an update every 32 months, Checklist Archive every 5 days. The most recent releases landed on September 20, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | FLAT Code Scanner | Checklist Archive |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 5 days** |
| Size | 35 MB | 1 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Nobuhide Uzawa](https://appshunter.io/developer/869281903) | [Colin Wright](https://appshunter.io/developer/1814828139) |

## What reviewers say

### FLAT Code Scanner

[App page](https://appshunter.io/ios/app/flat-code-scanner/id883893030)

**Features:** macOS Compatibility

**In-app purchases:** none


### Checklist Archive

[App page](https://appshunter.io/ios/app/checklist-archive/id6747992450)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $4.99 | one-time |


## Frequently asked questions

### Is FLAT Code Scanner free?

FLAT Code Scanner is free to download, with no in-app purchases.

### Is Checklist Archive free?

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

### Do FLAT Code Scanner or Checklist Archive have ads?

Neither FLAT Code Scanner nor Checklist Archive shows ads.

### Which is updated more often, FLAT Code Scanner or Checklist Archive?

FLAT Code Scanner ships an update every 32 months, and Checklist Archive every 5 days. Most recently, FLAT Code Scanner was updated on September 20, 2026 and Checklist Archive on September 7, 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.*