# inNumerate vs Kelo

The clearest difference is in-app purchases: inNumerate at none against Kelo's 2. inNumerate also leads on iOS requirement (18.0 vs 26.0). Kelo's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Kelo sells 2 in-app purchases, starting at $6.99 per month. inNumerate asks for nothing beyond the download.

inNumerate ships an update every 5 months, Kelo every 3 weeks. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | inNumerate | Kelo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/innumerate/id1146971941/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 6 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Unit Radius LLC](https://appshunter.io/developer/308464766) | [Gurinder Singh](https://appshunter.io/developer/1802916889) |

## What reviewers say

### inNumerate

[App page](https://appshunter.io/ios/app/innumerate/id1146971941)

This app helps you experiment with various financial scenarios. Calculate savings for retirement or purchases, loan payments, and final sale prices. It also assists with splitting bills and calculating tips.

**Highlights:** Retirement savings calculation, Purchase savings planning, Loan payment and interest calculation, Final sale price calculation, Bill splitting and tip calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### Kelo

[App page](https://appshunter.io/ios/app/kelo-fire-retirement-planner/id6762631658)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kelo Pro Monthly | $6.99 | per month |
| Kelo Pro Annual – Save 40% | $49.99 | per year |


## Frequently asked questions

### Is inNumerate free?

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

### Is Kelo free?

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

### Do inNumerate or Kelo have ads?

Neither inNumerate nor Kelo shows ads.

### Which is updated more often, inNumerate or Kelo?

inNumerate ships an update every 5 months, and Kelo every 3 weeks. Most recently, inNumerate was updated on October 11, 2026 and Kelo on October 25, 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.*