# Simple Prayer Timer vs Negaiboshi

The clearest difference is in-app purchases: Simple Prayer Timer at none against Negaiboshi's 3. Negaiboshi's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Negaiboshi sells 3 in-app purchases, starting at $2.99 per month. Simple Prayer Timer asks for nothing beyond the download.

Simple Prayer Timer ships an update every 2 weeks, Negaiboshi every 10 days. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Simple Prayer Timer | Negaiboshi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 67 MB | 36 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GOSPEL AMBITION INC](https://appshunter.io/developer/1483836866) | [Kouki Toyoda](https://appshunter.io/developer/6785835166) |

## What reviewers say

### Simple Prayer Timer

[App page](https://appshunter.io/ios/app/simple-prayer-timer/id6752723545)

**Features:** macOS Compatibility

**In-app purchases:** none


### Negaiboshi

[App page](https://appshunter.io/ios/app/negaiboshi/id6794682125)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Negaiboshi Pro | $2.99 | per month |
| Choose Where Your Star Shines | $3.99 | one-time |
| The Sky That Night | $6.99 | one-time |


## Frequently asked questions

### Is Simple Prayer Timer free?

Simple Prayer Timer is free to download, with no in-app purchases.

### Is Negaiboshi free?

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

### Do Simple Prayer Timer or Negaiboshi have ads?

Neither Simple Prayer Timer nor Negaiboshi shows ads.

### Which is updated more often, Simple Prayer Timer or Negaiboshi?

Simple Prayer Timer ships an update every 2 weeks, and Negaiboshi every 10 days. Most recently, Simple Prayer Timer was updated on October 12, 2026 and Negaiboshi on October 15, 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.*