# Thinkii vs LightLeaf

The clearest difference is iOS requirement: Thinkii at 15.0 against LightLeaf's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Thinkii sells 2 in-app purchases, starting at $4.99 per month and LightLeaf sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Thinkii ships an update every 3 weeks, LightLeaf fortnightly. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Thinkii | LightLeaf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 102 MB | 37 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thinkii Development Inc.](https://appshunter.io/developer/1828504887) | [玮玮 蔡](https://appshunter.io/developer/1788814482) |

## What reviewers say

### Thinkii

[App page](https://appshunter.io/ios/app/thinkii-brain-dump-to-do/id6749024197)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thinkii Plus | $4.99 | per month |
| Thinkii Plus | $44.99 | per year |


### LightLeaf

[App page](https://appshunter.io/ios/app/lightleaf-mood-journal/id6753906734)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LightLeaf Pro Monthly | $1.99 | per month |
| LightLeaf Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is Thinkii free?

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

### Is LightLeaf free?

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

### Do Thinkii or LightLeaf have ads?

Neither Thinkii nor LightLeaf shows ads.

### Which is updated more often, Thinkii or LightLeaf?

Thinkii ships an update every 3 weeks, and LightLeaf fortnightly. Most recently, Thinkii was updated on October 13, 2026 and LightLeaf on October 24, 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.*