# Buff Flash Control vs Zno Instant

The clearest difference is rating: Zno Instant at 3.3 against Buff Flash Control's 2.4. Zno Instant also leads on review sentiment (33% vs 0%) and update cadence (every 11 days vs every 2 months). Buff Flash Control's advantage is iOS requirement (13.0 vs 15.1). On price, ratings volume, ads 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.

Zno Instant holds the better App Store score, 3.3 against 2.4. Both are backed by a comparable volume of ratings — 7 and 7 respectively. Written reviews point the same way: 0% of Buff Flash Control's written reviews are positive against 33% of Zno Instant's.

Buff Flash Control ships an update every 2 months, Zno Instant every 11 days. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Buff Flash Control | Zno Instant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (7 ratings)](https://appshunter.io/ios/app/buff-flash-control/id1478294627/reviews) | **[3.3 (7 ratings)](https://appshunter.io/ios/app/zno-instant/id6471543931/reviews)** |
| Number of ratings | 7 | 7 |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 16 MB | 63 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Paul C. Buff, Inc.](https://appshunter.io/developer/1478294626) | [Zno Inc.](https://appshunter.io/developer/862239523) |

## What reviewers say

### Buff Flash Control

[App page](https://appshunter.io/ios/app/buff-flash-control/id1478294627)

Control your lighting setups remotely from your phone. Adjust flash and modeling lamp power, save custom setups, and update firmware for compatible units. Designed for photographers using specific hardware.

**Highlights:** Smart remote control for flash units, Adjust power output, Control modeling lamps, Save and recall lighting setups, Firmware updates for LINK800WS

**In-app purchases:** none


### Zno Instant

[App page](https://appshunter.io/ios/app/zno-instant/id6471543931)

Instantly deliver and sell photos directly from your camera. This app is designed for professional event photographers, streamlining the process from capture to client delivery. It offers a subscription-free solution for quick photo sharing and sales.

**Highlights:** Instant photo delivery, Photo sales functionality, Camera to cloud transfer, Subscription-free, Event photography focused

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Buff Flash Control free?

Buff Flash Control is free to download, with no in-app purchases.

### Is Zno Instant free?

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

### Which has better reviews, Buff Flash Control or Zno Instant?

Zno Instant is rated higher. Buff Flash Control averages 2.4 out of 5 from 7 ratings, while Zno Instant averages 3.3 from 7 ratings.

### Do Buff Flash Control or Zno Instant have ads?

Neither Buff Flash Control nor Zno Instant shows ads.

### Which is updated more often, Buff Flash Control or Zno Instant?

Buff Flash Control ships an update every 2 months, and Zno Instant every 11 days. Most recently, Buff Flash Control was updated on October 12, 2026 and Zno Instant on October 6, 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.*