# lunaflat vs OpenLoop

The clearest difference is in-app purchases: lunaflat at none against OpenLoop's 2. lunaflat also leads on update cadence (every 4 weeks vs every 4 months) and iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. OpenLoop sells 2 in-app purchases, starting at $6.99 per month. lunaflat asks for nothing beyond the download.

lunaflat ships an update every 4 weeks, OpenLoop every 4 months. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | lunaflat | OpenLoop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openloop-follow-up-tracker/id6757979091/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 61 MB | 57 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Knicode Yazilim Ticaret Limited Sirketi](https://appshunter.io/developer/1605543984) | [Robert Ellis](https://appshunter.io/developer/1870064306) |

## What reviewers say

### lunaflat

[App page](https://appshunter.io/ios/app/lunaflat/id1605543982)

**In-app purchases:** none


### OpenLoop

[App page](https://appshunter.io/ios/app/openloop-follow-up-tracker/id6757979091)

Manage important conversations outside of email and traditional CRMs. Log interactions, set follow-ups, and visualize your network to keep relationships moving forward. Designed for quick, intentional relationship management.

**Highlights:** Log important conversations, Set follow-up reminders, Visualize contact networks, Import contacts easily, Home screen widget for follow-ups, Push follow-ups to calendar

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenLoop – Monthly Subscription | $6.99 | per month |
| OpenLoop – Annual Subscription | $69.99 | per year |


## Frequently asked questions

### Is lunaflat free?

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

### Is OpenLoop free?

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

### Do lunaflat or OpenLoop have ads?

Neither lunaflat nor OpenLoop shows ads.

### Which is updated more often, lunaflat or OpenLoop?

lunaflat ships an update every 4 weeks, and OpenLoop every 4 months. Most recently, lunaflat was updated on November 7, 2026 and OpenLoop on October 31, 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.*