# HeatingOil vs Invoice Snap

The clearest difference is rating: Invoice Snap at 4.8 against HeatingOil's 1.0. Invoice Snap also leads on ratings volume (4 vs 1). HeatingOil's advantage is in-app purchases (none vs 8) and iOS requirement (12.1 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Invoice Snap sells 8 in-app purchases, starting at $2.99 per month. HeatingOil asks for nothing beyond the download.

Invoice Snap holds the better App Store score, 4.8 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

HeatingOil ships an update every 2 weeks, Invoice Snap every 3 weeks. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HeatingOil | Invoice Snap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/heatingoil/id1471104678/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/invoice-snap-estimate-maker/id6759242022/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | **Free** | Freemium |
| Size | 24 MB | 86 MB |
| Requires iOS | **12.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [William Stomp](https://appshunter.io/developer/1170051251) | [Kazakov Invent Corp](https://appshunter.io/developer/1846792318) |

## What reviewers say

### HeatingOil

[App page](https://appshunter.io/ios/app/heatingoil/id1471104678)

Easily check and compare local heating oil prices to save time and money. This app allows you to quickly view updated pricing and order oil directly from various suppliers in your area.

**Highlights:** Updated heating oil pricing, Order oil on the go, Customizable results, Compare local prices, Direct ordering from suppliers

**Features:** macOS Compatibility

**In-app purchases:** none


### Invoice Snap

[App page](https://appshunter.io/ios/app/invoice-snap-estimate-maker/id6759242022)

Create professional invoices, estimates, and receipts quickly. Track expenses, manage clients, and calculate taxes with customizable rates. Supports multiple currencies and offers various templates for different business needs.

**Highlights:** Create and send invoices, estimates & quotes, Generate PDF invoices with logo, Track expenses and payments, Manage clients and billing history, Tax calculation with customizable rates, Multiple currency support, Receipt and bill creation

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InvoiceSnap Pro Monthly | $2.99 | per month |
| Weekly | $6.99 | per 7 days |
| InvoiceSnap Pro Annual | $9.99 | per year |
| Monthly | $14.99 | per month |
| Annual | $49.99 | per year |
| Annual | $49.99 | per year |
| 10 Invoice Credits | $0.99 | one-time |
| InvoiceSnap Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is HeatingOil free?

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

### Is Invoice Snap free?

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

### Which has better reviews, HeatingOil or Invoice Snap?

Invoice Snap is rated higher. HeatingOil averages 1.0 out of 5 from 1 ratings, while Invoice Snap averages 4.8 from 4 ratings.

### Do HeatingOil or Invoice Snap have ads?

Neither HeatingOil nor Invoice Snap shows ads.

### Which is updated more often, HeatingOil or Invoice Snap?

HeatingOil ships an update every 2 weeks, and Invoice Snap every 3 weeks. Most recently, HeatingOil was updated on October 14, 2026 and Invoice Snap 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.*