# SMART Estimator App vs The Spray Source

The clearest difference is in-app purchases: The Spray Source at none against SMART Estimator App's 2. The Spray Source also leads on update cadence (every 5 days vs every 2 weeks) and ratings volume (9 vs 2). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. SMART Estimator App sells 2 in-app purchases, starting at $12.99 per month. The Spray Source asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SMART Estimator App against 5.0 for The Spray Source. Both are backed by a comparable volume of ratings — 2 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

SMART Estimator App ships an update every 2 weeks, The Spray Source every 5 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SMART Estimator App | The Spray Source |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/smart-estimator-app/id1544475782/reviews) | [5.0 (9 ratings)](https://appshunter.io/ios/app/the-spray-source/id6753805942/reviews) |
| Number of ratings | 2 | **9** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 75 MB | 2 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SMART ESTIMATOR LTD](https://appshunter.io/developer/1489151151) | [The Spray Source](https://appshunter.io/developer/1845106185) |

## What reviewers say

### SMART Estimator App

[App page](https://appshunter.io/ios/app/smart-estimator-app/id1544475782)

This app streamlines auto body repair estimates and invoicing for businesses. It helps professionals gain confidence in pricing, save time on administrative tasks, and manage customer data efficiently. Go paperless with professional PDF estimates and invoices, and organize your schedule and expenses.

**Highlights:** Systematic and accurate pricing, Time-saving administrative tools, Professional PDF estimates and invoices, Customer and vehicle data management, Job scheduling and expense tracking, Multi-vehicle and multi-currency support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Plan | $12.99 | per month |
| Standard Max | $34.99 | per month |


### The Spray Source

[App page](https://appshunter.io/ios/app/the-spray-source/id6753805942)

Access premium automotive, industrial, and custom paint solutions directly from your iPhone. Achieve factory-quality results for DIY projects, professional painting, or customization without high costs.

**Highlights:** Direct access to paint solutions, Automotive paint, Industrial paint, Custom paint, DIY project support, Professional painter tools

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

**In-app purchases:** none


## Frequently asked questions

### Is SMART Estimator App free?

SMART Estimator App is free to download, with in-app purchases available.

### Is The Spray Source free?

The Spray Source is free to download, with no in-app purchases.

### Which has better reviews, SMART Estimator App or The Spray Source?

SMART Estimator App and The Spray Source are both rated 5.0 out of 5 on the App Store, from 2 and 9 ratings respectively.

### Do SMART Estimator App or The Spray Source have ads?

Neither SMART Estimator App nor The Spray Source shows ads.

### Which is updated more often, SMART Estimator App or The Spray Source?

SMART Estimator App ships an update every 2 weeks, and The Spray Source every 5 days. Most recently, SMART Estimator App was updated on October 27, 2026 and The Spray Source on October 28, 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.*