# Spirolaterals vs INES Maps

The clearest difference is ads: Spirolaterals at none against INES Maps's shown. Spirolaterals also leads on iOS requirement (11.0 vs 17.6). INES Maps's advantage is update cadence (every 6 weeks vs every 6 months). On price, in-app purchases and device support there is nothing between them.

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

Spirolaterals ships an update every 6 months, INES Maps every 6 weeks. The most recent releases landed on October 26, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Spirolaterals | INES Maps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ines-maps/id918847405/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 4 MB | 5 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Ethier](https://appshunter.io/developer/432436572) | [KAZUYUKI TAJIMA](https://appshunter.io/developer/876885221) |

## What reviewers say

### Spirolaterals

[App page](https://appshunter.io/ios/app/spirolaterals/id791250763)

**Features:** macOS Compatibility

**In-app purchases:** none


### INES Maps

[App page](https://appshunter.io/ios/app/ines-maps/id918847405)

Explore a global map of serious nuclear accidents, categorized by their INES level. View accident locations and access detailed Wikipedia articles for each event. Data includes accidents of level 4 or higher, plus significant level 2 and 3 events worldwide.

**Highlights:** Global nuclear accident map, INES level categorization, Detailed accident information, Wikipedia article integration, Accident timeline view

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

**In-app purchases:** none


## Frequently asked questions

### Is Spirolaterals free?

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

### Is INES Maps free?

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

### Do Spirolaterals or INES Maps have ads?

INES Maps shows ads; Spirolaterals does not.

### Which is updated more often, Spirolaterals or INES Maps?

Spirolaterals ships an update every 6 months, and INES Maps every 6 weeks. Most recently, Spirolaterals was updated on October 26, 2026 and INES Maps on November 1, 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.*