# 三省 vs Eat Frog

The clearest difference is in-app purchases: Eat Frog at none against 三省's 3. Eat Frog also leads on update cadence (every 4 weeks vs every 6 months) and iOS requirement (15.1 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 三省 sells 3 in-app purchases, starting at $2.99 per month. Eat Frog asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 三省 against 5.0 for Eat Frog. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

三省 ships an update every 6 months, Eat Frog every 4 weeks. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 三省 | Eat Frog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/id6470999911/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/eat-frog/id6748850114/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 30 MB | 43 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [嘉达 黄](https://appshunter.io/developer/1708566399) | [睿 孔](https://appshunter.io/developer/1789292587) |

## What reviewers say

### 三省

[App page](https://appshunter.io/ios/app/id6470999911)

This cognitive tool uses cards for recording, reviewing, and self-dialogue to aid memory and clear thinking. It offers flexible input methods, knowledge networking, and visual mind mapping to enhance understanding and reflection.

**Highlights:** Card input (typing & handwriting), Bidirectional knowledge linking, Visual mind maps, Self-dialogue mechanism, Spaced repetition review, Cognitive graph building

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThreeTimes - Monthly Plan | $2.99 | per month |
| ThreeTimes - Yearly Plan | $4.99 | per year |
| ThreeTimes - Lifetime Plan | $9.99 | one-time |


### Eat Frog

[App page](https://appshunter.io/ios/app/eat-frog/id6748850114)

This app helps you achieve long-term success by breaking down yearly objectives into daily actionable tasks. It utilizes the 'Eat the Frog' principle to prioritize your most important daily task and overcome procrastination. Enjoy a clean interface and seamless cloud sync across devices.

**Highlights:** Hierarchical goal planning, Eat the Frog system, Multi-level daily, weekly, monthly, yearly views, Cloud synchronization, Distraction-free interface

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

**In-app purchases:** none


## Frequently asked questions

### Is 三省 free?

三省 is free to download, with in-app purchases available.

### Is Eat Frog free?

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

### Which has better reviews, 三省 or Eat Frog?

三省 and Eat Frog are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do 三省 or Eat Frog have ads?

Neither 三省 nor Eat Frog shows ads.

### Which is updated more often, 三省 or Eat Frog?

三省 ships an update every 6 months, and Eat Frog every 4 weeks. Most recently, 三省 was updated on October 16, 2026 and Eat Frog 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.*