Comparison

Profound UI vs Per Diem Plus

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Profound UI

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
Read full description

The Profound UI Mobile Client allows users to access information stored on an IBM i server through the use of an iPhone or iPad. IBM i data can be retrieved, updated, and/or integrated with native device features, such as the camera for photo uploading. Once connection details are supplied, all IBM i data access is in real time. Existing IBM i character-based applications can be converted to be accessed using an enriched user interface on the mobile device. The Profound UI Mobile Client communicates with the Profound UI server component, which must be installed and properly configured on the IBM i server.

About

Per Diem Plus

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
Read full description

Per Diem Plus® simplifies tax compliance for drivers who are faced with a difficult task of tracking their per diem allowances and expenses, mailing/faxing/emailing expense receipts to their bookkeeper or fleet, and holding onto all the documentation for years in case of an audit.  It is the only IRS-compliant mobile app that automatically records IRS’ special trucker per diem for travel within the USA and Canada for solo & team OTR drivers. Some bookkeeping firms charge drivers nearly $100/month for this service. Download Per Diem Plus and kick the tires for free for 30 days; downloading the app and setting up a profile takes less than 2 minutes and no credit card is required. To continue using the app after the 30 day free trial, simply enroll in our $7.99 monthly subscription that can be canceled anytime through your iTunes account. Per Diem Plus Features * Automatically starts tracking your trip once you exit the 25 mile tax halo in your profile (where you park your truck) * Enables you to document 34 hours restarts and other unforeseen delays * Capture and organize trip expenses by category including images of receipts * Send detailed reports, including receipt images, to your accountant in seconds * Data is stored on a secure cloud server for 4 years (IRS requires 3) "Goodbye" to paying $1/page faxes at the truck stop…"So long" to sky high postage fees…”Farewell” to misplaced expense records, e-log backups and the shoe box overflowing with fading receipts. You can try the full version of Per Diem Plus for 30 days - no credit card required. Downloading the app and setting up a profile takes less than 2 minutes. To continue using the app after the 30 day free trial, simply enroll in our $7.99 monthly subscription that can be canceled anytime through your iTunes account. Payment will be charged to your iTunes Account at confirmation of purchase. Subscription will automatically renew each month. Your iTunes Account will be charged for the renewal within 24-hours prior to the end of the current period and identify the cost of the renewal. Your subscription can be managed and canceled on your iPhone by going to “Settings” (iTunes & App Store). From the iTunes & App Store screen tap “Apple ID”, then tap "View Apple ID", and then tap “Subscriptions”.  If you cancel, your subscription will stop at the end of the current billing cycle. Disclaimer: Continued use of GPS running in the background can dramatically decrease battery life. Terms of Service: http://www.perdiemplus.com/terms-of-service/ Privacy Policy: http://www.perdiemplus.com/privacy-policy/ CONTACT US We'd love to hear from you: * Website: http://www.perdiemplus.com * Twitter: twitter.com/perdiemplus * Facebook: www.facebook.com/perdiemplus1 * Email: support@perdiemplus.com

Screenshots

Profound UI4 screens
Per Diem Plus4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Profound UI versus Per Diem Plus: the parameters behind the verdict, then further details
ParameterProfound UIPer Diem Plus
PriceFreeFree
Rating4.4 (7 ratings) — better2.6 (10 ratings)
Positive reviews—16.7% of reviews
Number of ratings710 — better
Update frequencyEvery 4 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.09.0 — better
Further details — not scored
Size29 MB46 MB
Age rating4+4+
DeveloperProfound Logic SoftwarePer Diem Plus

Customer experience

Profound UI

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%

Per Diem Plus

All ratings10 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews6 reviews
Positive16.7%
Neutral16.7%
Negative66.7%

In-app purchases

None

Profound UI

No in-app purchases

1 purchases

Per Diem Plus

Subscriptions1
  • Per Diem Plus Service$7.991 Month

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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