# Prayer vs PiPO

The clearest difference is price: Prayer at Free against PiPO's $2.99. Prayer also leads on update cadence (every 2 months vs every 14 months). PiPO's advantage is in-app purchases (none vs 10) and review sentiment (71% vs 55%). On ads and device support there is nothing between them.

Prayer is free to download; PiPO costs $2.99 up front. Prayer sells 10 one-off in-app purchases. PiPO asks for nothing beyond the download.

Prayer ships an update every 2 months, PiPO every 14 months. The most recent releases landed on September 16, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Prayer | PiPO |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pipo/id983719927/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 55.0% of reviews | **71.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 14 months |
| Monetization | **Free** | Paid |
| Size | 33 MB | 39 MB |
| Requires iOS | 12.3 | **7.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HANBUNCO, INC.](https://appshunter.io/developer/436677464) | [Kaji Takatsugu](https://appshunter.io/developer/465688467) |

## What reviewers say

### Prayer

[App page](https://appshunter.io/ios/app/prayer-sutras/id498933432)

This app offers a collection of Japanese sutras for remembrance and prayer for deceased loved ones. It includes instrumental sounds and a recording function, allowing users to personalize their spiritual practice. Users can also display photos of those they wish to honor.

**Highlights:** 78 Japanese sutras, Instrumental sounds (drum, singing bowl), Recording function, Customizable sutra playback order, Photo display for loved ones, Preset landscape images

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| HEART SUTRA | $1.99 | one-time |
| NICHIREN SHU HOUBENPONDAINI | $1.99 | one-time |
| SHINSHU OOTANIHA SHOUSHINGE | $1.99 | one-time |
| SHINSHU OOTANIHA NENBUTSU | $1.99 | one-time |
| JOUDOSHINSHU HONGANJIHA SHOUSHINNENBUTSUGE | $1.99 | one-time |
| KOUYASAN SHINGONSHU SANKI | $1.99 | one-time |
| KOUYASAN SHINGONSHU HEART SUTRA | $1.99 | one-time |
| SHINGONSHU CHISANHA HEART SUTRA | $1.99 | one-time |
| SOUTOU SHU FUMONBONGE | $1.99 | one-time |


### PiPO

[App page](https://appshunter.io/ios/app/pipo/id983719927)

This app simulates Japanese ambulance sirens and emergency vehicle sounds. It features recorded siren sounds, voice recordings, and a flashing light effect. It is not a real siren amplifier but a sound playback application.

**Highlights:** Ambulance siren sounds, Emergency vehicle voice recordings, Record and playback custom audio, Flashing light effect, Automatic siren function

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prayer free?

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

### Is PiPO free?

PiPO costs $2.99, with no in-app purchases.

### Do Prayer or PiPO have ads?

Neither Prayer nor PiPO shows ads.

### Which is updated more often, Prayer or PiPO?

Prayer ships an update every 2 months, and PiPO every 14 months. Most recently, Prayer was updated on September 16, 2026 and PiPO on September 22, 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.*