# Melento vs OnceOne

The clearest difference is in-app purchases: Melento at none against OnceOne's 3. Melento also leads on iOS requirement (15.6 vs 18.0). OnceOne's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. OnceOne sells 3 in-app purchases, starting at $0.99 per month. Melento asks for nothing beyond the download.

Melento ships an update every 3 weeks, OnceOne weekly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Melento | OnceOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/melento/id6447509563/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 55 MB | 3 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Melento Inc](https://appshunter.io/developer/1649692989) | [Dongliang Yin](https://appshunter.io/developer/1030365061) |

## What reviewers say

### Melento

[App page](https://appshunter.io/ios/app/melento/id6447509563)

This app offers a unified platform for organizational needs, integrating communication, project management, and productivity tools. Streamline teamwork with features for messaging, task and project management, CRM, and time management.

**Highlights:** Unified communication hub, Task and project management, CRM and ticketing systems, Time management with calendar and Pomodoro timer, No-code customization, File sharing and messaging

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

**In-app purchases:** none


### OnceOne

[App page](https://appshunter.io/ios/app/onceone-grouping-to-do-tasks/id6744550176)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro(Monthly) | $0.99 | per month |
| Pro(Annual) | $9.99 | per year |
| Pro(Lifetime) | $24.99 | one-time |


## Frequently asked questions

### Is Melento free?

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

### Is OnceOne free?

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

### Do Melento or OnceOne have ads?

Neither Melento nor OnceOne shows ads.

### Which is updated more often, Melento or OnceOne?

Melento ships an update every 3 weeks, and OnceOne weekly. Most recently, Melento was updated on October 9, 2026 and OnceOne on October 7, 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.*