# telliSize vs Ferguson Mobile

The clearest difference is rating: telliSize at 5.0 against Ferguson Mobile's 3.0. Ferguson Mobile's advantage is update cadence (every 2 months vs every 9 months) and ratings volume (68 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

telliSize holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Ferguson Mobile has 68 ratings behind it against 3, so its average is the more settled of the two.

telliSize ships an update every 9 months, Ferguson Mobile every 2 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | telliSize | Ferguson Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/tellisize/id1178730332/reviews)** | [3.0 (68 ratings)](https://appshunter.io/ios/app/ferguson-mobile/id1456087860/reviews) |
| Number of ratings | 3 | **68** |
| Positive reviews | — | 40.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 16 MB | 23 MB |
| Requires iOS | 27.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Intellihot](https://appshunter.io/developer/1073126287) | [FERGUSON ENTERPRISES, LLC.](https://appshunter.io/developer/489656017) |

## What reviewers say

### telliSize

[App page](https://appshunter.io/ios/app/tellisize/id1178730332)

Quickly size water heater applications and generate project schematics, plumbing layouts, and submittals. Calculations are based on real-world test data and proven sizing methods.

**Highlights:** Water heater application sizing, Project schematics generation, Plumbing layout creation, Submittal package generation, Real-world test data calculations

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

**In-app purchases:** none


### Ferguson Mobile

[App page](https://appshunter.io/ios/app/ferguson-mobile/id1456087860)

Access a vast catalog of plumbing, HVAC, and MRO supplies on the go. Check real-time inventory, pricing, and product specs. Order online for quick in-store pickup and track your orders.

**Highlights:** Product availability, specs, and pricing, Real-time local inventory, Online ordering with in-store pickup, Order and tracking information, Barcode scanning for ordering, PRO Plus rewards program, Location finder, Custom product lists

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is telliSize free?

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

### Is Ferguson Mobile free?

Ferguson Mobile is free to download, with no in-app purchases.

### Which has better reviews, telliSize or Ferguson Mobile?

telliSize is rated higher. telliSize averages 5.0 out of 5 from 3 ratings, while Ferguson Mobile averages 3.0 from 68 ratings.

### Do telliSize or Ferguson Mobile have ads?

Neither telliSize nor Ferguson Mobile shows ads.

### Which is updated more often, telliSize or Ferguson Mobile?

telliSize ships an update every 9 months, and Ferguson Mobile every 2 months. Most recently, telliSize was updated on October 21, 2026 and Ferguson Mobile on October 24, 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.*