# Jin Timer vs Decision IO

The clearest difference is update cadence: Jin Timer at fortnightly against Decision IO's monthly. Decision IO's advantage is iOS requirement (14.0.0 vs 16.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Jin Timer sells 1 one-off in-app purchase and Decision IO sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Jin Timer ships an update fortnightly, Decision IO monthly. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Jin Timer | Decision IO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 25 MB | 48 MB |
| Requires iOS | 16.2 | **14.0.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YUJI Corp.](https://appshunter.io/developer/1721499403) | [Altius Opes LLC](https://appshunter.io/developer/1792062188) |

## What reviewers say

### Jin Timer

[App page](https://appshunter.io/ios/app/jin-timer/id6474415861)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### 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 |


## Frequently asked questions

### Is Jin Timer free?

Jin Timer is free to download, with in-app purchases available.

### Is Decision IO free?

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

### Do Jin Timer or Decision IO have ads?

Neither Jin Timer nor Decision IO shows ads.

### Which is updated more often, Jin Timer or Decision IO?

Jin Timer ships an update fortnightly, and Decision IO monthly. Most recently, Jin Timer was updated on September 23, 2026 and Decision IO on September 26, 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.*