# Profound UI vs Per Diem Plus

The clearest difference is rating: Profound UI at 4.4 against Per Diem Plus's 2.6. Profound UI also leads on in-app purchases (none vs 1). Per Diem Plus's advantage is update cadence (every 5 weeks vs every 4 months) and iOS requirement (9.0 vs 12.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Per Diem Plus sells 1 in-app purchase, starting at $7.99 per month. Profound UI asks for nothing beyond the download.

Profound UI holds the better App Store score, 4.4 against 2.6. Both are backed by a comparable volume of ratings — 7 and 10 respectively.

Profound UI ships an update every 4 months, Per Diem Plus every 5 weeks. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Profound UI | Per Diem Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/profound-ui/id647737222/reviews)** | [2.6 (10 ratings)](https://appshunter.io/ios/app/per-diem-plus/id1151567391/reviews) |
| Number of ratings | 7 | **10** |
| Positive reviews | — | 16.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | **Free** | Freemium |
| Size | 29 MB | 46 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Profound Logic Software](https://appshunter.io/developer/628622743) | [Per Diem Plus](https://appshunter.io/developer/1151567390) |

## What reviewers say

### Profound UI

[App page](https://appshunter.io/ios/app/profound-ui/id647737222)

Access and manage IBM i server data on your iPhone or iPad in real-time. Convert existing character-based applications into enriched mobile interfaces, with features like photo uploading using the device camera.

**Highlights:** Real-time IBM i data access, Update and integrate IBM i data, Use native device features (e.g., camera), Convert character-based apps to enriched UI, Requires Profound UI server component

**In-app purchases:** none


### Per Diem Plus

[App page](https://appshunter.io/ios/app/per-diem-plus/id1151567391)

This app simplifies tax compliance for drivers by automatically tracking per diem allowances and expenses. It allows for easy documentation of trips, expenses with receipt images, and generation of detailed reports for accountants. Data is securely stored for audit purposes.

**Highlights:** Automatic per diem tracking, Expense documentation with receipt images, 34-hour restart tracking, Secure cloud data storage, Report generation for accountants, IRS-compliant for USA & Canada

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Per Diem Plus Service | $7.99 | per month |


## Frequently asked questions

### Is Profound UI free?

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

### Is Per Diem Plus free?

Per Diem Plus is free to download, with in-app purchases available.

### Which has better reviews, Profound UI or Per Diem Plus?

Profound UI is rated higher. Profound UI averages 4.4 out of 5 from 7 ratings, while Per Diem Plus averages 2.6 from 10 ratings.

### Do Profound UI or Per Diem Plus have ads?

Neither Profound UI nor Per Diem Plus shows ads.

### Which is updated more often, Profound UI or Per Diem Plus?

Profound UI ships an update every 4 months, and Per Diem Plus every 5 weeks. Most recently, Profound UI was updated on October 2, 2026 and Per Diem Plus on October 3, 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.*