KeyTag vs PRFOM LIGHT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeyTag
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用户可以裁剪图片，传到NFC吊牌上显示。支持iphone8及以上机型。
PRFOM LIGHT
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Welcome to "PRFOM". This product is designed for experienced photography enthusiasts and is suitable for live streaming, outdoor/studio photography, as well as YouTube video shooting. The main features of the product include: ① The RGB color and dual color temperature features that can be adjusted steplessly, and the brightness/color temperature/hue/purity can be freely controlled, with a color temperature range of 2500K~8500K. Helps to restore and enrich the colors of objects, providing you with natural and vivid shooting effects. ② Equipped with an LCD screen display and a stable system that supports 360 ° rotation, it can effectively control light. You can also install folding and soft light plates to avoid excess light and make the light softer. Customized control of fill light allows you to easily capture the desired results. ③The APP intelligent control system can be controlled through your intelligent mobile device. ④ Can simulate 21 scene lights: flash/flash/TV screen light/candle/flame 1/flame 2/police car/ambulance/fire truck/strobe 1/strobe 2/strobe 3/slow/medium/fast/fire work 1/fire work 2/fire work 3/club 1/club 2/romance. We firmly believe that using this product correctly will be of great help to your shooting work.
Screenshots
Verdict
The clearest difference is update cadence: PRFOM LIGHT at weekly against KeyTag's every 2 months. PRFOM LIGHT also leads on iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KeyTag ships an update every 2 months, PRFOM LIGHT weekly. The most recent releases landed on September 21, 2026 and May 17, 2026 respectively.
| Parameter | KeyTag | PRFOM LIGHT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 深圳市立显通科技有限公司 | 师松 梁 |
In-app purchases
KeyTag
No in-app purchases
PRFOM LIGHT
No in-app purchases
