# notiOne vs Sinum

notiOne and Sinum are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | notiOne | Sinum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (11 ratings)](https://appshunter.io/ios/app/notione/id1179407452/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 22.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 56 MB | 90 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NOTINOTE Sp. z o.o.](https://appshunter.io/developer/1179407451) | [TECH Sterowniki](https://appshunter.io/developer/1155426726) |

## What reviewers say

### notiOne

[App page](https://appshunter.io/ios/app/notione/id1179407452)

Attach trackers to small items like keys, bags, or wallets to keep track of their location. The app displays your valuables on a map and offers location history. It also allows you to track family members and receive theft alerts for GPS trackers.

**Highlights:** Track keys, bags, and wallets, View item location on a map, Location history for lost items, Track family members' phones, Bluetooth proximity radar, Anti-theft alerts for GPS trackers

**In-app purchases:** none


### Sinum

[App page](https://appshunter.io/ios/app/sinum/id1598099137)

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

**In-app purchases:** none


## Frequently asked questions

### Is notiOne free?

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

### Is Sinum free?

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

### Do notiOne or Sinum have ads?

Neither notiOne nor Sinum shows ads.

### Which is updated more often, notiOne or Sinum?

notiOne ships an update every 3 weeks, and Sinum every 3 weeks. Most recently, notiOne was updated on October 24, 2026 and Sinum on October 12, 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.*