# 我與外星人的約定：自我成長指南 vs Memory Toast

The clearest difference is in-app purchases: 我與外星人的約定：自我成長指南 at none against Memory Toast's 4. 我與外星人的約定：自我成長指南 also leads on ads (none vs shown). Memory Toast's advantage is update cadence (every 2 days vs fortnightly) and iOS requirement (13.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Memory Toast sells 4 in-app purchases, starting at $1.99 per month. 我與外星人的約定：自我成長指南 asks for nothing beyond the download.

我與外星人的約定：自我成長指南 ships an update fortnightly, Memory Toast every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 我與外星人的約定：自我成長指南 | Memory Toast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 2 days** |
| Size | 33 MB | 69 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sheng Yang Huang](https://appshunter.io/developer/1096090905) | [Tan Chiyu](https://appshunter.io/developer/1687917433) |

## What reviewers say

### 我與外星人的約定：自我成長指南

[App page](https://appshunter.io/ios/app/id1456205646)

**Features:** macOS Compatibility

**In-app purchases:** none


### Memory Toast

[App page](https://appshunter.io/ios/app/memory-toast/id6470912655)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memory Toast Premium | $1.99 | per month |
| 500 Tokens | $0.99 | one-time |
| 2000 Tokens | $2.99 | one-time |
| 5000 Tokens | $5.99 | one-time |


## Frequently asked questions

### Is 我與外星人的約定：自我成長指南 free?

我與外星人的約定：自我成長指南 is free to download, with no in-app purchases.

### Is Memory Toast free?

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

### Do 我與外星人的約定：自我成長指南 or Memory Toast have ads?

Memory Toast shows ads; 我與外星人的約定：自我成長指南 does not.

### Which is updated more often, 我與外星人的約定：自我成長指南 or Memory Toast?

我與外星人的約定：自我成長指南 ships an update fortnightly, and Memory Toast every 2 days. Most recently, 我與外星人的約定：自我成長指南 was updated on October 25, 2026 and Memory Toast 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.*