# SousyoPelmanism byNSDev vs Wormhole Calc

The clearest difference is ads: SousyoPelmanism byNSDev at none against Wormhole Calc's shown. SousyoPelmanism byNSDev also leads on device support (3 vs 1). Wormhole Calc's advantage is update cadence (every 5 months vs every 39 months). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SousyoPelmanism byNSDev ships an update every 39 months, Wormhole Calc every 5 months. The most recent releases landed on October 10, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SousyoPelmanism byNSDev | Wormhole Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 39 months | **Every 5 months** |
| Size | 15 MB | 7 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [Satoshi Horiguchi](https://appshunter.io/developer/310504293) |

## What reviewers say

### SousyoPelmanism byNSDev

[App page](https://appshunter.io/ios/app/sousyopelmanism-bynsdev/id1275051253)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wormhole Calc

[App page](https://appshunter.io/ios/app/wormhole-calc/id1487966122)

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

**In-app purchases:** none


## Frequently asked questions

### Is SousyoPelmanism byNSDev free?

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

### Is Wormhole Calc free?

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

### Do SousyoPelmanism byNSDev or Wormhole Calc have ads?

Wormhole Calc shows ads; SousyoPelmanism byNSDev does not.

### Which is updated more often, SousyoPelmanism byNSDev or Wormhole Calc?

SousyoPelmanism byNSDev ships an update every 39 months, and Wormhole Calc every 5 months. Most recently, SousyoPelmanism byNSDev was updated on October 10, 2026 and Wormhole Calc on October 21, 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.*