# FlexSpec Backpack vs FLIR R700

The clearest difference is update cadence: FLIR R700 at every 2 months against FlexSpec Backpack's every 24 months. FlexSpec Backpack's advantage is iOS requirement (9.3 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

FlexSpec Backpack ships an update every 24 months, FLIR R700 every 2 months. The most recent releases landed on September 10, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | FlexSpec Backpack | FLIR R700 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/flir-r700/id1564478288/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 140 MB | 88 MB |
| Requires iOS | **9.3** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bubble Technology Industries](https://appshunter.io/developer/1235174582) | [FLIR Detection Inc](https://appshunter.io/developer/1520047235) |

## What reviewers say

### FlexSpec Backpack

[App page](https://appshunter.io/ios/app/flexspec-backpack/id1235174583)

**Features:** macOS Compatibility

**In-app purchases:** none


### FLIR R700

[App page](https://appshunter.io/ios/app/flir-r700/id1564478288)

Control your FLIR R700 backpack radiation detector via Bluetooth. View live readings, take measurements, identify sources, and receive alarm notifications. Requires the FLIR R700 device.

**Highlights:** Bluetooth control, Live radiation readings, Measurement taking, Source identification, File sharing, Alarm notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FlexSpec Backpack free?

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

### Is FLIR R700 free?

FLIR R700 is free to download, with no in-app purchases.

### Do FlexSpec Backpack or FLIR R700 have ads?

Neither FlexSpec Backpack nor FLIR R700 shows ads.

### Which is updated more often, FlexSpec Backpack or FLIR R700?

FlexSpec Backpack ships an update every 24 months, and FLIR R700 every 2 months. Most recently, FlexSpec Backpack was updated on September 10, 2026 and FLIR R700 on June 4, 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.*