# Surely vs KeyFill

The clearest difference is in-app purchases: Surely at none against KeyFill's 1. KeyFill's advantage is update cadence (every 10 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KeyFill sells 1 one-off in-app purchase. Surely asks for nothing beyond the download.

Surely ships an update every 3 months, KeyFill every 10 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Surely | KeyFill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/surely-smarter-decisions/id6736951802/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 2 MB | 10 MB |
| Requires iOS | **17.5** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [伟凌 张](https://appshunter.io/developer/1721459605) | [Mark Lester Edquilane](https://appshunter.io/developer/1782537235) |

## What reviewers say

### Surely

[App page](https://appshunter.io/ios/app/surely-smarter-decisions/id6736951802)

This app helps you make better decisions by easily mapping out the pros and cons of any choice. Organize your thoughts with tags and gain clarity to make confident choices, from major life changes to everyday plans.

**Highlights:** Effortless Pros & Cons mapping, Organize decisions with tags, Clear visual comparison, Boost productivity, Reduce decision overwhelm, Build decision confidence

**Features:** macOS Compatibility

**In-app purchases:** none


### KeyFill

[App page](https://appshunter.io/ios/app/keyfill/id6740271503)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited Items | $1.99 | one-time |


## Frequently asked questions

### Is Surely free?

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

### Is KeyFill free?

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

### Do Surely or KeyFill have ads?

Neither Surely nor KeyFill shows ads.

### Which is updated more often, Surely or KeyFill?

Surely ships an update every 3 months, and KeyFill every 10 days. Most recently, Surely was updated on October 30, 2026 and KeyFill on October 30, 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.*