# Secret KB vs Input Reminder

The clearest difference is price: Input Reminder at Free against Secret KB's $0.99. Secret KB's advantage is update cadence (every 10 days vs every 10 months) and iOS requirement (14.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Input Reminder is free to download; Secret KB costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Secret KB ships an update every 10 days, Input Reminder every 10 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | Secret KB | Input Reminder |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 10 months |
| Size | 6 MB | 1 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Asadullah Jamadar](https://appshunter.io/developer/1655125846) | [Shafqat Rahman](https://appshunter.io/developer/1743700538) |

## What reviewers say

### Secret KB

[App page](https://appshunter.io/ios/app/secret-kb/id1605391634)

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

**In-app purchases:** none


### Input Reminder

[App page](https://appshunter.io/ios/app/input-reminder/id6711330373)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Secret KB free?

Secret KB costs $0.99, with no in-app purchases.

### Is Input Reminder free?

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

### Do Secret KB or Input Reminder have ads?

Neither Secret KB nor Input Reminder shows ads.

### Which is updated more often, Secret KB or Input Reminder?

Secret KB ships an update every 10 days, and Input Reminder every 10 months. Most recently, Secret KB was updated on October 27, 2026 and Input Reminder on October 27, 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.*