# Screw Size Drill Bit Chart vs Pump Mate

The clearest difference is update cadence: Screw Size Drill Bit Chart at monthly against Pump Mate's every 2 months. Pump Mate's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Screw Size Drill Bit Chart sells 3 in-app purchases, starting at $2.99 per 7 days and Pump Mate sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Screw Size Drill Bit Chart ships an update monthly, Pump Mate every 2 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Screw Size Drill Bit Chart | Pump Mate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 23 MB | 46 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [Mario Cerda](https://appshunter.io/developer/6772352482) |

## What reviewers say

### Screw Size Drill Bit Chart

[App page](https://appshunter.io/ios/app/screw-size-drill-bit-chart/id6772276125)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countersink Pro, Weekly | $2.99 | per 7 days |
| Thread Finder, Yearly | $14.99 | per year |
| Full Fastener Guide, One-Time | $29.99 | one-time |


### Pump Mate

[App page](https://appshunter.io/ios/app/pump-mate-hydraulics/id6772352480)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pump Mate Pro | $24.99 | one-time |


## Frequently asked questions

### Is Screw Size Drill Bit Chart free?

Screw Size Drill Bit Chart is free to download, with in-app purchases available.

### Is Pump Mate free?

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

### Do Screw Size Drill Bit Chart or Pump Mate have ads?

Neither Screw Size Drill Bit Chart nor Pump Mate shows ads.

### Which is updated more often, Screw Size Drill Bit Chart or Pump Mate?

Screw Size Drill Bit Chart ships an update monthly, and Pump Mate every 2 months. Most recently, Screw Size Drill Bit Chart was updated on October 24, 2026 and Pump Mate on October 9, 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.*