# OPTIC Mobile (Friendly Eagle) vs TBD

OPTIC Mobile (Friendly Eagle) and TBD 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.

OPTIC Mobile (Friendly Eagle) ships an update every 3 weeks, TBD every 5 weeks. The most recent releases landed on September 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | OPTIC Mobile (Friendly Eagle) | TBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optic-mobile-friendly-eagle/id1459160092/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 70 MB | 19 MB |
| Requires iOS | **12.2** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FRIENDLY EAGLE SOFTWARE INC.](https://appshunter.io/developer/1459160091) | [Hangzhou Dashi Wisdom Technology Co., Ltd.](https://appshunter.io/developer/1822219570) |

## What reviewers say

### OPTIC Mobile (Friendly Eagle)

[App page](https://appshunter.io/ios/app/optic-mobile-friendly-eagle/id1459160092)

Access and modify records from the OPTIC server on your mobile device. Create, delete, and update entries, with offline capabilities for data and documents. Sync changes back to the server when connected.

**Highlights:** View and update server records, Create and delete new records, Offline data access and saving, Downloadable documents and SDS, Customizable download settings, Syncs with OPTIC Web application

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

**In-app purchases:** none


### TBD

[App page](https://appshunter.io/ios/app/tbd-flowmeter/id1632862012)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OPTIC Mobile (Friendly Eagle) free?

OPTIC Mobile (Friendly Eagle) is free to download, with no in-app purchases.

### Is TBD free?

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

### Do OPTIC Mobile (Friendly Eagle) or TBD have ads?

Neither OPTIC Mobile (Friendly Eagle) nor TBD shows ads.

### Which is updated more often, OPTIC Mobile (Friendly Eagle) or TBD?

OPTIC Mobile (Friendly Eagle) ships an update every 3 weeks, and TBD every 5 weeks. Most recently, OPTIC Mobile (Friendly Eagle) was updated on September 24, 2026 and TBD on October 8, 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.*