# Self vs SparkyToolkit

The clearest difference is update cadence: SparkyToolkit at every 5 weeks against Self's every 3 months. Self's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Self sells 3 in-app purchases, starting at $3.99 per 7 days and SparkyToolkit sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Self ships an update every 3 months, SparkyToolkit every 5 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Self | SparkyToolkit |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 29 MB | 49 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vike Digital Pty Ltd](https://appshunter.io/developer/1742926734) | [Jack Dempsey](https://appshunter.io/developer/1870827941) |

## What reviewers say

### Self

[App page](https://appshunter.io/ios/app/self-employed-invoice-tool/id6744658689)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| Annual Access | $19.99 | per year |
| Lifetime Access | $49.99 | one-time |


### SparkyToolkit

[App page](https://appshunter.io/ios/app/sparkytoolkit/id6758096515)

This app provides electricians with essential digital tools for site work, including calculators for electrical calculations, test record management, and quick reference to wiring standards. It also allows for capturing and annotating site plans.

**Highlights:** Electrical calculators (Ohm's Law, Cable Sizing, Voltage Drop), Test record creation and management, PDF/Excel export for compliance, AS/NZS 3000 Wiring Rules reference, Site plan capture and annotation, Offset bend calculator

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cobber Pro | $4.99 | per month |


## Frequently asked questions

### Is Self free?

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

### Is SparkyToolkit free?

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

### Do Self or SparkyToolkit have ads?

Neither Self nor SparkyToolkit shows ads.

### Which is updated more often, Self or SparkyToolkit?

Self ships an update every 3 months, and SparkyToolkit every 5 weeks. Most recently, Self was updated on October 25, 2026 and SparkyToolkit 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.*