# NLTH Digi Stock Audit System vs Backplain

The clearest difference is in-app purchases: NLTH Digi Stock Audit System at none against Backplain's 2. NLTH Digi Stock Audit System also leads on iOS requirement (11.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Backplain sells 2 in-app purchases, starting at $9.99 per month. NLTH Digi Stock Audit System asks for nothing beyond the download.

NLTH Digi Stock Audit System ships an update every 5 weeks, Backplain monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | NLTH Digi Stock Audit System | Backplain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/backplain-compare-ai/id6474154184/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 57 MB | 37 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nissanleasing](https://appshunter.io/developer/1499447047) | [Backplain Inc.](https://appshunter.io/developer/1719066654) |

## What reviewers say

### NLTH Digi Stock Audit System

[App page](https://appshunter.io/ios/app/nlth-digi-stock-audit-system/id1542732254)

**Features:** macOS Compatibility

**In-app purchases:** none


### Backplain

[App page](https://appshunter.io/ios/app/backplain-compare-ai/id6474154184)

Access over 30 AI models in one app to get faster, better answers. Compare responses from multiple AI engines side-by-side to instantly find the smartest solution. Boost productivity for research, writing, coding, and more.

**Highlights:** Access 30+ AI models, Side-by-side response comparison, Boost productivity, Affordable subscription, Private and secure

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Backplain Pro Monthly | $9.99 | per month |
| Backplain Pro Yearly | $99.99 | per year |


## Frequently asked questions

### Is NLTH Digi Stock Audit System free?

NLTH Digi Stock Audit System is free to download, with no in-app purchases.

### Is Backplain free?

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

### Do NLTH Digi Stock Audit System or Backplain have ads?

Neither NLTH Digi Stock Audit System nor Backplain shows ads.

### Which is updated more often, NLTH Digi Stock Audit System or Backplain?

NLTH Digi Stock Audit System ships an update every 5 weeks, and Backplain monthly. Most recently, NLTH Digi Stock Audit System was updated on November 3, 2026 and Backplain on November 4, 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.*