# Temp Converter + vs Tap & Drill Size Reference

The clearest difference is price: Temp Converter + at Free against Tap & Drill Size Reference's $0.99. Tap & Drill Size Reference's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Temp Converter + is free to download; Tap & Drill Size Reference costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Temp Converter + ships an update every 2 months, Tap & Drill Size Reference every 6 weeks. The most recent releases landed on October 7, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Temp Converter + | Tap & Drill Size Reference |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/temp-converter-plus/id6740986088/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 41 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) |

## What reviewers say

### Temp Converter +

[App page](https://appshunter.io/ios/app/temp-converter-plus/id6740986088)

Easily convert temperatures between Celsius, Fahrenheit, and Kelvin. This utility app is ideal for students and travelers needing quick, offline conversions. Share calculations with formulas included.

**Highlights:** Celsius, Fahrenheit, Kelvin conversion, Offline functionality, Formulas included, Share calculations, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


### Tap & Drill Size Reference

[App page](https://appshunter.io/ios/app/tap-and-drill-size-reference/id6761641150)

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

**In-app purchases:** none


## Frequently asked questions

### Is Temp Converter + free?

Temp Converter + is free to download, with no in-app purchases.

### Is Tap & Drill Size Reference free?

Tap & Drill Size Reference costs $0.99, with no in-app purchases.

### Do Temp Converter + or Tap & Drill Size Reference have ads?

Temp Converter + shows ads; Tap & Drill Size Reference does not.

### Which is updated more often, Temp Converter + or Tap & Drill Size Reference?

Temp Converter + ships an update every 2 months, and Tap & Drill Size Reference every 6 weeks. Most recently, Temp Converter + was updated on October 7, 2026 and Tap & Drill Size Reference on September 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*