# OOONO vs MerciMemo

The clearest difference is ads: OOONO at none against MerciMemo's shown. MerciMemo's advantage is update cadence (every 3 days vs every 3 weeks) and device support (3 vs 1). On price 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.

OOONO ships an update every 3 weeks, MerciMemo every 3 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OOONO | MerciMemo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/ooono/id1257681297/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 57.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 103 MB | 71 MB |
| Requires iOS | 18.1 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ooono AS](https://appshunter.io/developer/1522471034) | [Hiroki Kijima](https://appshunter.io/developer/1326808571) |

## What reviewers say

### OOONO

[App page](https://appshunter.io/ios/app/ooono/id1257681297)

Receive real-time alerts for speed cameras and road hazards, enhancing your safety and reducing travel stress. Connect to a global community of drivers for up-to-the-minute information on traffic conditions.

**Highlights:** Real-time speed camera warnings, Road hazard alerts, Live reports from millions of drivers, Works in 80+ countries, No distracting display

**Features:** Apple Wallet

**In-app purchases:** none


### MerciMemo

[App page](https://appshunter.io/ios/app/mercimemo/id6747312855)

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

**In-app purchases:** none


## Frequently asked questions

### Is OOONO free?

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

### Is MerciMemo free?

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

### Do OOONO or MerciMemo have ads?

MerciMemo shows ads; OOONO does not.

### Which is updated more often, OOONO or MerciMemo?

OOONO ships an update every 3 weeks, and MerciMemo every 3 days. Most recently, OOONO was updated on October 26, 2026 and MerciMemo 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.*