# Jotto vs IoTherm

The clearest difference is update cadence: Jotto at every 2 months against IoTherm's every 11 months. Jotto also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

Jotto ships an update every 2 months, IoTherm every 11 months. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Jotto | IoTherm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 2 months** | Every 11 months |
| Size | 44 MB | 27 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Jotto](https://appshunter.io/developer/1337401601) | [Nordgas s.r.l.](https://appshunter.io/developer/826530272) |

## What reviewers say

### Jotto

[App page](https://appshunter.io/ios/app/jotto-termo/id1337401602)

**Features:** macOS Compatibility

**In-app purchases:** none


### IoTherm

[App page](https://appshunter.io/ios/app/iotherm/id6477390909)

**In-app purchases:** none


## Frequently asked questions

### Is Jotto free?

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

### Is IoTherm free?

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

### Which is updated more often, Jotto or IoTherm?

Jotto ships an update every 2 months, and IoTherm every 11 months. Most recently, Jotto was updated on October 6, 2026 and IoTherm on October 10, 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.*