# ThinkBack vs 3W List

The clearest difference is update cadence: ThinkBack at every 3 days against 3W List's every 2 months. ThinkBack also leads on ratings volume (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. ThinkBack sells 2 in-app purchases, starting at $1.49 per month and 3W List sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for ThinkBack against 5.0 for 3W List. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

ThinkBack ships an update every 3 days, 3W List every 2 months. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ThinkBack | 3W List |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/thinkback/id1541030401/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/3w-list-to-do-list-reminder/id1546082720/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 61 MB | 23 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sam Storino](https://appshunter.io/developer/1457262269) | [宁 李](https://appshunter.io/developer/1532203317) |

## What reviewers say

### ThinkBack

[App page](https://appshunter.io/ios/app/thinkback/id1541030401)

This app helps you commit information to long-term memory through spaced repetition. It prompts you daily to review notes, organize them with hashtags, and offers private iCloud syncing. Upgrade for enhanced functionality.

**Highlights:** Spaced repetition for memory building, Daily review prompts, Note organization with hashtags, Private iCloud syncing, Search and filter notes, Mark notes as memorized

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.49 | per month |
| Yearly | $14.99 | per year |


### 3W List

[App page](https://appshunter.io/ios/app/3w-list-to-do-list-reminder/id1546082720)

Organize your tasks by person, place, and time. This app helps you plan to-dos, set reminders for specific locations or people, and manage multiple subtasks. It also supports photo/audio uploads and iCloud syncing.

**Highlights:** Organize tasks by person, place, and time, Add subtasks to any to-do, Upload photos and audio notes, iCloud data synchronization, Location-based reminders, Import contacts from address book

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3W List Official Version | $2.99 | one-time |


## Frequently asked questions

### Is ThinkBack free?

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

### Is 3W List free?

3W List is free to download, with in-app purchases available.

### Which has better reviews, ThinkBack or 3W List?

ThinkBack and 3W List are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do ThinkBack or 3W List have ads?

Neither ThinkBack nor 3W List shows ads.

### Which is updated more often, ThinkBack or 3W List?

ThinkBack ships an update every 3 days, and 3W List every 2 months. Most recently, ThinkBack was updated on October 18, 2026 and 3W List on October 6, 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.*