# Summer Time vs AlienRuins

The clearest difference is in-app purchases: AlienRuins at none against Summer Time's 3. AlienRuins also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.0). Summer Time's advantage is update cadence (every 7 months vs every 25 months) and price ($0.99 vs $1.99). On ads there is nothing between them.

Summer Time costs $0.99 and AlienRuins $1.99 up front. Summer Time sells 3 one-off in-app purchases. AlienRuins asks for nothing beyond the download.

Summer Time ships an update every 7 months, AlienRuins every 25 months. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Summer Time | AlienRuins |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 25 months |
| Monetization | Paid | — |
| Size | 105 MB | 160 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [TAPQUAD, INC](https://appshunter.io/developer/551904314) | [钊恒 郑](https://appshunter.io/developer/1352374582) |

## What reviewers say

### Summer Time

[App page](https://appshunter.io/ios/app/summer-time-primemory/id1262916031)

This game tests and trains your memory with colorful summer icons and musical tones. Its adaptive AI creates unique challenges as you progress, aiming to improve your recall abilities and mental performance.

**Highlights:** Memory testing and training, Adaptive AI engine, Increasingly difficult levels, Unique game variations, Performance tracking index, Summer-themed icons

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| (3) Replays | $0.99 | one-time |
| (5) Replays | $1.99 | one-time |
| (8) Replays | $2.99 | one-time |


### AlienRuins

[App page](https://appshunter.io/ios/app/alienruins/id1460557006)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Summer Time free?

Summer Time costs $0.99, and also offers in-app purchases.

### Is AlienRuins free?

AlienRuins costs $1.99, with no in-app purchases.

### Do Summer Time or AlienRuins have ads?

Neither Summer Time nor AlienRuins shows ads.

### Which is updated more often, Summer Time or AlienRuins?

Summer Time ships an update every 7 months, and AlienRuins every 25 months. Most recently, Summer Time was updated on October 13, 2026 and AlienRuins on October 24, 2026.

---

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