# PRND自排資訊館 vs NanoSubs

The clearest difference is in-app purchases: PRND自排資訊館 at none against NanoSubs's 1. PRND自排資訊館 also leads on iOS requirement (9.0 vs 17.6). NanoSubs's advantage is update cadence (every 9 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. NanoSubs sells 1 one-off in-app purchase. PRND自排資訊館 asks for nothing beyond the download.

PRND自排資訊館 ships an update every 5 months, NanoSubs every 9 days. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PRND自排資訊館 | NanoSubs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Size | 32 MB | 7 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PING CHI HOUNG](https://appshunter.io/developer/624591207) | [恒俭 董](https://appshunter.io/developer/947356968) |

## What reviewers say

### PRND自排資訊館

[App page](https://appshunter.io/ios/app/prnd/id660988919)

**Features:** macOS Compatibility

**In-app purchases:** none


### NanoSubs

[App page](https://appshunter.io/ios/app/nanosubs/id6759703321)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is PRND自排資訊館 free?

PRND自排資訊館 is free to download, with no in-app purchases.

### Is NanoSubs free?

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

### Do PRND自排資訊館 or NanoSubs have ads?

Neither PRND自排資訊館 nor NanoSubs shows ads.

### Which is updated more often, PRND自排資訊館 or NanoSubs?

PRND自排資訊館 ships an update every 5 months, and NanoSubs every 9 days. Most recently, PRND自排資訊館 was updated on October 4, 2026 and NanoSubs on October 5, 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.*