# BASiS for iPhone vs Diff Checker

The clearest difference is in-app purchases: BASiS for iPhone at none against Diff Checker's 2. BASiS for iPhone also leads on iOS requirement (9.3 vs 13.0). Diff Checker's advantage is device support (4 vs 2). On price, update cadence and ads there is nothing between them.

Both are free to download. Diff Checker sells 2 in-app purchases, starting at $7.99 per month. BASiS for iPhone asks for nothing beyond the download.

BASiS for iPhone ships an update every 3 weeks, Diff Checker fortnightly. The most recent releases landed on June 5, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | BASiS for iPhone | Diff Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/basis-for-iphone/id584669181/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 14 MB | 79 MB |
| Requires iOS | **9.3** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Barcode Application Solutions](https://appshunter.io/developer/441722173) | [Edusoft Limited](https://appshunter.io/developer/1836364875) |

## What reviewers say

### BASiS for iPhone

[App page](https://appshunter.io/ios/app/basis-for-iphone/id584669181)

This app provides comprehensive inventory control, allowing for seamless data integration from backend programs. It facilitates inventory counting, production recording, and purchase order receipt through handheld scanning on your iPhone or iPad. Monitor stock levels, track outgoing orders, and manage incoming shipments with ease.

**Highlights:** Seamless data integration, Handheld inventory scanning, Production recording, Purchase order receipt, Inventory location monitoring, Verify availability and prices

**Features:** macOS Compatibility

**In-app purchases:** none


### Diff Checker

[App page](https://appshunter.io/ios/app/diff-checker-compare-text/id6753902567)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription Monthly | $7.99 | per month |
| Premium Subscription Yearly | $49.99 | per year |


## Frequently asked questions

### Is BASiS for iPhone free?

BASiS for iPhone is free to download, with no in-app purchases.

### Is Diff Checker free?

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

### Do BASiS for iPhone or Diff Checker have ads?

Neither BASiS for iPhone nor Diff Checker shows ads.

### Which is updated more often, BASiS for iPhone or Diff Checker?

BASiS for iPhone ships an update every 3 weeks, and Diff Checker fortnightly. Most recently, BASiS for iPhone was updated on June 5, 2026 and Diff Checker on May 16, 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.*