# Certificate Maker vs Feed Preview Grid Maker

The clearest difference is review sentiment: Feed Preview Grid Maker at 100% against Certificate Maker's 32%. Feed Preview Grid Maker also leads on rating (4.4 vs 2.0) and update cadence (every 3 weeks vs every 6 months). Certificate Maker's advantage is monetization model (free with in-app purchases vs subscription). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Certificate Maker sells 1 one-off in-app purchase and Feed Preview Grid Maker sells 8 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Feed Preview Grid Maker holds the better App Store score, 4.4 against 2.0. Both are backed by a comparable volume of ratings — 59 and 200 respectively. Written reviews point the same way: 32% of Certificate Maker's written reviews are positive against 100% of Feed Preview Grid Maker's.

Certificate Maker ships an update every 6 months, Feed Preview Grid Maker every 3 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Certificate Maker | Feed Preview Grid Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (59 ratings)](https://appshunter.io/ios/app/certificate-maker-diploma-ai/id1179092354/reviews) | **[4.4 (200 ratings)](https://appshunter.io/ios/app/feed-preview-grid-maker/id6443739741/reviews)** |
| Number of ratings | 59 | **200** |
| Positive reviews | 32.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 51 MB | 159 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ChristApp, LLC](https://appshunter.io/developer/979509819) | [Jody Fortuin](https://appshunter.io/developer/1654962058) |

## What reviewers say

### Certificate Maker

[App page](https://appshunter.io/ios/app/certificate-maker-diploma-ai/id1179092354)

Easily create professional and personalized diplomas, certificates, and transcripts with customizable templates and advanced design tools. Add logos, signatures, and security features for authentic-looking documents. Export and share your creations instantly.

**Highlights:** User-friendly interface, Customizable templates, Add logos and signatures, Advanced formatting options, Built-in security features, Export in multiple formats, Direct sharing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CertificateMakerFree | $3.99 | one-time |


### Feed Preview Grid Maker

[App page](https://appshunter.io/ios/app/feed-preview-grid-maker/id6443739741)

Plan and enhance your Instagram feed with powerful photo editing and a unique grid-splitting tool. Preview your feed's aesthetic before posting to maintain a cohesive visual theme and captivate followers.

**Highlights:** Powerful photo editing tools, Split photos into nine grid parts, Customizable grid layouts, Feed preview functionality, Seamless Instagram sharing

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly PRO | $4.99 | per month |
| PRO | $4.99 | per month |
| Grids Monthly PRO | $4.99 | per month |
| Weekly PRO | $8.99 | per 7 days |
| Grids Weekly PRO | $8.99 | per 7 days |
| Yearly PRO | $19.99 | per year |
| Free Trial PRO | $29.99 | per year |
| Photo Grid Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Certificate Maker free?

Certificate Maker is free to download, with in-app purchases available.

### Is Feed Preview Grid Maker free?

Feed Preview Grid Maker is free to download, with in-app purchases available.

### Which has better reviews, Certificate Maker or Feed Preview Grid Maker?

Feed Preview Grid Maker is rated higher. Certificate Maker averages 2.0 out of 5 from 59 ratings, while Feed Preview Grid Maker averages 4.4 from 200 ratings.

### Do Certificate Maker or Feed Preview Grid Maker have ads?

Neither Certificate Maker nor Feed Preview Grid Maker shows ads.

### Which is updated more often, Certificate Maker or Feed Preview Grid Maker?

Certificate Maker ships an update every 6 months, and Feed Preview Grid Maker every 3 weeks. Most recently, Certificate Maker was updated on October 29, 2026 and Feed Preview Grid Maker on October 25, 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.*