# JuniperAI vs ZenLog

The clearest difference is in-app purchases: JuniperAI at none against ZenLog's 1. JuniperAI also leads on iOS requirement (15.1 vs 26.0). ZenLog's advantage is update cadence (every 2 days vs every 5 days). On price, ads and device support there is nothing between them.

Both are free to download. ZenLog sells 1 in-app purchase, starting at $3.99 per month. JuniperAI asks for nothing beyond the download.

JuniperAI ships an update every 5 days, ZenLog every 2 days. Both last shipped on October 11, 2026.

## The numbers

| Metric | JuniperAI | ZenLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Size | 39 MB | 11 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Cameron Hightower](https://appshunter.io/developer/1832336848) | [Yutaka Ino](https://appshunter.io/developer/1780101465) |

## What reviewers say

### JuniperAI

[App page](https://appshunter.io/ios/app/juniperai/id6749830751)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZenLog

[App page](https://appshunter.io/ios/app/zenlog-habit-tracker/id6752211819)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $3.99 | per month |


## Frequently asked questions

### Is JuniperAI free?

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

### Is ZenLog free?

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

### Do JuniperAI or ZenLog have ads?

Neither JuniperAI nor ZenLog shows ads.

### Which is updated more often, JuniperAI or ZenLog?

JuniperAI ships an update every 5 days, and ZenLog every 2 days. Most recently, JuniperAI was updated on October 11, 2026 and ZenLog on October 11, 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.*