# SimpleAcceleration vs お日さま時間

The clearest difference is in-app purchases: SimpleAcceleration at none against お日さま時間's 5. SimpleAcceleration also leads on iOS requirement (15.0 vs 17.0). お日さま時間's advantage is update cadence (every 6 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. お日さま時間 sells 5 one-off in-app purchases. SimpleAcceleration asks for nothing beyond the download.

SimpleAcceleration ships an update every 3 weeks, お日さま時間 every 6 days. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SimpleAcceleration | お日さま時間 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 13 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [yuuki iwamoto](https://appshunter.io/developer/1039662444) | [akira hayakawa](https://appshunter.io/developer/1079308151) |

## What reviewers say

### SimpleAcceleration

[App page](https://appshunter.io/ios/app/simpleacceleration/id1039662445)

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

**In-app purchases:** none


### お日さま時間

[App page](https://appshunter.io/ios/app/id6467068270)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Give a coffee to Developer | $0.49 | one-time |
| Give snaks to Developer | $0.99 | one-time |
| Give good coffee to Developer | $2.99 | one-time |
| Give Lunch to Developer | $5.99 | one-time |
| Give Diner to Developer | $19.99 | one-time |


## Frequently asked questions

### Is SimpleAcceleration free?

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

### Is お日さま時間 free?

お日さま時間 is free to download, with in-app purchases available.

### Do SimpleAcceleration or お日さま時間 have ads?

Neither SimpleAcceleration nor お日さま時間 shows ads.

### Which is updated more often, SimpleAcceleration or お日さま時間?

SimpleAcceleration ships an update every 3 weeks, and お日さま時間 every 6 days. Most recently, SimpleAcceleration was updated on October 14, 2026 and お日さま時間 on September 30, 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.*