# Fast OEM Mobile Tech vs Titanium Invoice

The clearest difference is review sentiment: Titanium Invoice at 100% against Fast OEM Mobile Tech's 17%. Titanium Invoice also leads on rating (5.0 vs 3.2). Fast OEM Mobile Tech's advantage is in-app purchases (none vs 3) and ratings volume (14 vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Titanium Invoice sells 3 in-app purchases, starting at $9.99 per month. Fast OEM Mobile Tech asks for nothing beyond the download.

Titanium Invoice holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 14 and 3 respectively. Written reviews point the same way: 17% of Fast OEM Mobile Tech's written reviews are positive against 100% of Titanium Invoice's.

Fast OEM Mobile Tech ships an update fortnightly, Titanium Invoice every 3 weeks. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Fast OEM Mobile Tech | Titanium Invoice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (14 ratings)](https://appshunter.io/ios/app/fast-oem-mobile-tech/id941402002/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/titanium-invoice/id6760223619/reviews)** |
| Number of ratings | **14** | 3 |
| Positive reviews | 16.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 175 MB | 15 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [International Comfort Products Corporation](https://appshunter.io/developer/941402001) | [Matt Godfrey](https://appshunter.io/developer/1857484312) |

## What reviewers say

### Fast OEM Mobile Tech

[App page](https://appshunter.io/ios/app/fast-oem-mobile-tech/id941402002)

This app assists HVAC technicians in identifying necessary parts for repairs and locating nearby distributors. It streamlines job management by recording parts used and provides access to technical literature and training resources.

**Highlights:** Parts identification for repairs, Nearest distributor locator, Job management and record keeping, AI assistant for technical questions, System capacity calculator, Technical literature access

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

**In-app purchases:** none


### Titanium Invoice

[App page](https://appshunter.io/ios/app/titanium-invoice/id6760223619)

Create professional invoices and quotes securely on your device. Track revenue, expenses, and profit with local data storage and encryption. Manage clients, services, and products, with optional iCloud sync and receipt scanning.

**Highlights:** Create invoices and quotes, Track revenue, expenses, and profit, Manage clients, services, and products, Generate audit-ready reports, Scan receipts with OCR, Encrypted on-device storage, Optional iCloud sync

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Titanium Invoice Pro Monthly | $9.99 | per month |
| Titanium Invoice Pro Yearly | $79.99 | per year |
| Titanium Invoice Founder Lifetime | $149.99 | one-time |


## Frequently asked questions

### Is Fast OEM Mobile Tech free?

Fast OEM Mobile Tech is free to download, with no in-app purchases.

### Is Titanium Invoice free?

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

### Which has better reviews, Fast OEM Mobile Tech or Titanium Invoice?

Titanium Invoice is rated higher. Fast OEM Mobile Tech averages 3.2 out of 5 from 14 ratings, while Titanium Invoice averages 5.0 from 3 ratings.

### Do Fast OEM Mobile Tech or Titanium Invoice have ads?

Neither Fast OEM Mobile Tech nor Titanium Invoice shows ads.

### Which is updated more often, Fast OEM Mobile Tech or Titanium Invoice?

Fast OEM Mobile Tech ships an update fortnightly, and Titanium Invoice every 3 weeks. Most recently, Fast OEM Mobile Tech was updated on October 8, 2026 and Titanium Invoice on October 1, 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.*