# Deer Journal vs Three

The clearest difference is update cadence: Three at weekly against Deer Journal's every 2 weeks. Deer Journal's advantage is iOS requirement (16.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Deer Journal sells 4 in-app purchases, starting at $1.99 per month and Three sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Deer Journal ships an update every 2 weeks, Three weekly. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Deer Journal | Three |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/deer-journal-ai-summary/id1620947497/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 10 MB | 30 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Sivilay](https://appshunter.io/developer/936509766) | [SageLabs](https://appshunter.io/developer/1810657904) |

## What reviewers say

### Deer Journal

[App page](https://appshunter.io/ios/app/deer-journal-ai-summary/id1620947497)

This app helps you journal with purpose and clarity, offering AI-powered prompts, accountability tools, and insightful summaries of your entries. It provides a secure and private space for self-discovery and stress relief.

**Highlights:** AI-powered writing prompts, Accountability and goal tracking, Secure and private journaling, Automated entry summaries, Insightful analytics, Enhanced editing tools, Visual timeline view

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $9.99 | per year |
| Lifetime Early Adopter | $18.99 | one-time |
| Lifetime | $31.99 | one-time |


### Three

[App page](https://appshunter.io/ios/app/three-data-driven-journaling/id6757117935)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription - Monthly | $3.99 | per month |
| Premium Subscription - Yearly | $19.99 | per year |


## Frequently asked questions

### Is Deer Journal free?

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

### Is Three free?

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

### Do Deer Journal or Three have ads?

Neither Deer Journal nor Three shows ads.

### Which is updated more often, Deer Journal or Three?

Deer Journal ships an update every 2 weeks, and Three weekly. Most recently, Deer Journal was updated on September 28, 2026 and Three on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*