# Survival Odds vs CycleChem

The clearest difference is in-app purchases: Survival Odds at none against CycleChem's 1. CycleChem's advantage is iOS requirement (16.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CycleChem sells 1 one-off in-app purchase. Survival Odds asks for nothing beyond the download.

Survival Odds ships an update every 7 months, CycleChem every 6 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Survival Odds | CycleChem |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 1 MB | 8 MB |
| Requires iOS | 26.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Kenneth Klinger](https://appshunter.io/developer/539184948) | [Eric ORDONNEAU](https://appshunter.io/developer/1465804393) |

## What reviewers say

### Survival Odds

[App page](https://appshunter.io/ios/app/survival-odds/id539184945)

Estimate your life expectancy using US mortality data. Calculate actuarial values like annuity and life insurance payments. Visualize survival probabilities with an interactive chart.

**Highlights:** Life expectancy estimation, US population mortality data, Annuity present value calculation, Life insurance payment calculation, Interactive survival probability chart

**Features:** macOS Compatibility

**In-app purchases:** none


### CycleChem

[App page](https://appshunter.io/ios/app/cyclechem/id1465804394)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all games | $0.99 | one-time |


## Frequently asked questions

### Is Survival Odds free?

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

### Is CycleChem free?

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

### Do Survival Odds or CycleChem have ads?

Neither Survival Odds nor CycleChem shows ads.

### Which is updated more often, Survival Odds or CycleChem?

Survival Odds ships an update every 7 months, and CycleChem every 6 months. Most recently, Survival Odds was updated on October 23, 2026 and CycleChem on October 7, 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.*