# Invisible Notes vs Remindr

The clearest difference is update cadence: Remindr at every 3 days against Invisible Notes's every 94 months. Invisible Notes's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Invisible Notes ships an update every 94 months, Remindr every 3 days. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Invisible Notes | Remindr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 94 months | **Every 3 days** |
| Size | 1 MB | 59 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mohannad Daghistany](https://appshunter.io/developer/846765571) | [Seema Shekhawat](https://appshunter.io/developer/6785662726) |

## What reviewers say

### Invisible Notes

[App page](https://appshunter.io/ios/app/invisible-notes/id916482961)

**Features:** macOS Compatibility

**In-app purchases:** none


### Remindr

[App page](https://appshunter.io/ios/app/remindr-ai-notes-and-memory/id6785662723)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Invisible Notes free?

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

### Is Remindr free?

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

### Do Invisible Notes or Remindr have ads?

Neither Invisible Notes nor Remindr shows ads.

### Which is updated more often, Invisible Notes or Remindr?

Invisible Notes ships an update every 94 months, and Remindr every 3 days. Most recently, Invisible Notes was updated on September 16, 2026 and Remindr on September 9, 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.*