# Decision IO vs Decision Log

The clearest difference is iOS requirement: Decision IO at 14.0.0 against Decision Log's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Decision IO sells 2 in-app purchases, starting at $7.99 per month and Decision Log sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Decision IO ships an update monthly, Decision Log every 2 weeks. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Decision IO | Decision Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 48 MB | 66 MB |
| Requires iOS | **14.0.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Altius Opes LLC](https://appshunter.io/developer/1792062188) | [Krzysztof Marczewski](https://appshunter.io/developer/1848227125) |

## What reviewers say

### Decision IO

[App page](https://appshunter.io/ios/app/decision-io/id6740878575)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access - Monthly | $7.99 | per month |
| Pro Access - Yearly | $59.99 | per year |


### Decision Log

[App page](https://appshunter.io/ios/app/decision-log-track-decisions/id6754412756)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decision Log Pro | $4.99 | per month |
| Decision Log Pro | $39.99 | per year |


## Frequently asked questions

### Is Decision IO free?

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

### Is Decision Log free?

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

### Do Decision IO or Decision Log have ads?

Neither Decision IO nor Decision Log shows ads.

### Which is updated more often, Decision IO or Decision Log?

Decision IO ships an update monthly, and Decision Log every 2 weeks. Most recently, Decision IO was updated on October 18, 2026 and Decision Log on October 25, 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.*