# ThermoThink vs Convertly

The clearest difference is update cadence: ThermoThink at every 2 months against Convertly's every 5 months. ThermoThink also leads on iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ThermoThink ships an update every 2 months, Convertly every 5 months. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ThermoThink | Convertly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 10 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Acutulus Technologies Inc](https://appshunter.io/developer/1294049355) | [Dt nova](https://appshunter.io/developer/1885201641) |

## What reviewers say

### ThermoThink

[App page](https://appshunter.io/ios/app/thermothink/id1294049356)

**Features:** macOS Compatibility

**In-app purchases:** none


### Convertly

[App page](https://appshunter.io/ios/app/convertly-unit-converter/id6761712654)

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

**In-app purchases:** none


## Frequently asked questions

### Is ThermoThink free?

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

### Is Convertly free?

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

### Do ThermoThink or Convertly have ads?

Neither ThermoThink nor Convertly shows ads.

### Which is updated more often, ThermoThink or Convertly?

ThermoThink ships an update every 2 months, and Convertly every 5 months. Most recently, ThermoThink was updated on October 18, 2026 and Convertly on October 6, 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.*