# INES Maps vs 555 Timer & Oscillators Pro

The clearest difference is price: INES Maps at Free against 555 Timer & Oscillators Pro's $4.99. INES Maps also leads on update cadence (every 6 weeks vs every 3 months). 555 Timer & Oscillators Pro's advantage is ads (none vs shown) and chart position (#193 vs unranked). On in-app purchases, device support and iOS requirement there is nothing between them.

INES Maps is free to download; 555 Timer & Oscillators Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

INES Maps ships an update every 6 weeks, 555 Timer & Oscillators Pro every 3 months. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | INES Maps | 555 Timer & Oscillators Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| 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 | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Best chart rank | — | **#193** |
| Size | 5 MB | 22 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [KAZUYUKI TAJIMA](https://appshunter.io/developer/876885221) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### 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


### 555 Timer & Oscillators Pro

[App page](https://appshunter.io/ios/app/555-timer-and-oscillators-pro/id6504415162)

**Currently charting:** #193 Top Paid · Education (US App Store)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is INES Maps free?

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

### Is 555 Timer & Oscillators Pro free?

555 Timer & Oscillators Pro costs $4.99, with no in-app purchases.

### Do INES Maps or 555 Timer & Oscillators Pro have ads?

INES Maps shows ads; 555 Timer & Oscillators Pro does not.

### Which is updated more often, INES Maps or 555 Timer & Oscillators Pro?

INES Maps ships an update every 6 weeks, and 555 Timer & Oscillators Pro every 3 months. Most recently, INES Maps was updated on October 15, 2026 and 555 Timer & Oscillators Pro on October 12, 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.*