# A+ Signature vs NIR Color

The clearest difference is rating: A+ Signature at 4.9 against NIR Color's 4.3. A+ Signature also leads on ratings volume (737 vs 21) and update cadence (every 3 months vs every 10 months). NIR Color's advantage is price ($2.99 vs $3.99) and iOS requirement (15.0 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

A+ Signature costs $3.99 and NIR Color $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

A+ Signature holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: A+ Signature has 737 ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 95% of A+ Signature's written reviews are positive against 83% of NIR Color's.

A+ Signature ships an update every 3 months, NIR Color every 10 months. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | A+ Signature | NIR Color |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | **[4.9 (737 ratings)](https://appshunter.io/ios/app/a-plus-signature/id409956176/reviews)** | [4.3 (21 ratings)](https://appshunter.io/ios/app/nir-color/id491992444/reviews) |
| Number of ratings | **737** | 21 |
| Positive reviews | **95.1% of reviews** | 82.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Monetization | Paid | **Free** |
| Size | 14 MB | 16 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pixtolab Technologies Inc.](https://appshunter.io/developer/409956179) | [JixiPix, LLC](https://appshunter.io/developer/380605671) |

## What reviewers say

### A+ Signature

[App page](https://appshunter.io/ios/app/a-plus-signature/id409956176)

Enhance and protect your photos with this versatile annotation tool. Add text, drawings, watermarks, and even your signature to images. Create custom photocards and share them easily.

**Highlights:** Add multiple texts and drawings, Apply elegant watermarks, Create custom photocards, Add digital signatures, Use internet memes, Extensive font options, Adjust opacity and color

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient and reliable
- 💡 Versatile with many features
- 🎨 Great font and color options
- 🔒 Secure watermarking

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔍 Limited ability to edit saved signatures
- 🚫 Unable to upload logos or images

**Reported bugs**

- Unable to save photos to album on newer devices
- App not updated in over 3 years

**Requested features**

- Ability to add multiple photos/layers
- Sync signatures across devices
- More advanced editing tools


### NIR Color

[App page](https://appshunter.io/ios/app/nir-color/id491992444)

Transform ordinary photos into surreal, ethereal landscapes with near-infrared technology and color filters. This app adds unique hues and dramatic contrast, making everyday objects appear otherworldly. Explore a different light and create magical, mysterious atmospheres in your images.

**Highlights:** Near infrared technology, Infrared color filters, Surreal and ethereal effects, Dramatic contrast adjustments, Preset library, Custom preset saving, Hi-Res image support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is A+ Signature free?

A+ Signature costs $3.99, with no in-app purchases.

### Is NIR Color free?

NIR Color costs $2.99, with no in-app purchases.

### Which has better reviews, A+ Signature or NIR Color?

A+ Signature is rated higher. A+ Signature averages 4.9 out of 5 from 737 ratings, while NIR Color averages 4.3 from 21 ratings.

### Do A+ Signature or NIR Color have ads?

Neither A+ Signature nor NIR Color shows ads.

### Which is updated more often, A+ Signature or NIR Color?

A+ Signature ships an update every 3 months, and NIR Color every 10 months. Most recently, A+ Signature was updated on October 26, 2026 and NIR Color on October 22, 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.*