# 2D vs Appliance Timer

The clearest difference is in-app purchases: 2D at none against Appliance Timer's 3. Appliance Timer's advantage is update cadence (every 4 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Appliance Timer sells 3 in-app purchases, starting at $0.99 per 7 days. 2D asks for nothing beyond the download.

2D ships an update every 3 months, Appliance Timer every 4 days. The most recent releases landed on August 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 2D | Appliance Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/2d-doc-reader/id555610370/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 30.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 5 MB | 42 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AriadNEXT](https://appshunter.io/developer/555610373) | [Bhagya Silva](https://appshunter.io/developer/954163660) |

## What reviewers say

### 2D

[App page](https://appshunter.io/ios/app/2d-doc-reader/id555610370)

Scan and verify 2D-Doc barcodes on documents to extract and compare information. This tool is designed for checking authenticity and data integrity on official documents.

**Highlights:** Scan 2D-Doc barcodes, Extract barcode information, Compare with written data, Verify document authenticity

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

**In-app purchases:** none


### Appliance Timer

[App page](https://appshunter.io/ios/app/appliance-timer-readyby/id6777491626)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadyBy Plus Weekly | $0.99 | per 7 days |
| ReadyBy Plus Monthly | $2.99 | per month |
| ReadyBy Plus Yearly | $19.99 | per year |


## Frequently asked questions

### Is 2D free?

2D is free to download, with no in-app purchases.

### Is Appliance Timer free?

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

### Do 2D or Appliance Timer have ads?

Neither 2D nor Appliance Timer shows ads.

### Which is updated more often, 2D or Appliance Timer?

2D ships an update every 3 months, and Appliance Timer every 4 days. Most recently, 2D was updated on August 19, 2026 and Appliance Timer on September 8, 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.*