# Spice Mobile vs NerdBook

The clearest difference is in-app purchases: NerdBook at none against Spice Mobile's 2. NerdBook also leads on update cadence (weekly vs every 3 months) and rating (3.5 vs 3.3). Spice Mobile's advantage is iOS requirement (12.0 vs 17.5). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Spice Mobile sells 2 one-off in-app purchases. NerdBook asks for nothing beyond the download.

NerdBook holds the better App Store score, 3.5 against 3.3. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 39% of Spice Mobile's written reviews are positive against 50% of NerdBook's.

Spice Mobile ships an update every 3 months, NerdBook weekly. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Spice Mobile | NerdBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (4 ratings)](https://appshunter.io/ios/app/spice-mobile/id519101876/reviews) | **[3.5 (2 ratings)](https://appshunter.io/ios/app/nerdbook/id6686394627/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 39.1% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Subscription | **Free** |
| Size | 102 MB | 2 MB |
| Requires iOS | **12.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [The Writer's Muse, LLC](https://appshunter.io/developer/519101879) | [Giampiero Sierra](https://appshunter.io/developer/1768334857) |

## What reviewers say

### Spice Mobile

[App page](https://appshunter.io/ios/app/spice-mobile/id519101876)

This app offers a revolutionary phrase thesaurus for writers, providing access to over 26,000 creative phrases and 15,500 keywords. It includes tools to track phrase popularity over time and explore their historical origins.

**Highlights:** Revolutionary phrase thesaurus, Over 26,000 creative phrases, 15,500 keywords, Phrase popularity tracking, Interactive timelines of phrase origins, Grab Bag for extensive searching (iPad only), Share favorite phrases

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spice Mobile | $0.99 | one-time |
| Spice Mobile | $6.99 | one-time |


### NerdBook

[App page](https://appshunter.io/ios/app/nerdbook/id6686394627)

Discover synonyms for any context, from everyday language to creative writing. Enhance your vocabulary and find the perfect words to express yourself.

**Highlights:** Synonym discovery, Sound-alike word suggestions, Vocabulary enhancement, Creative writing aid, Lyrical and nerdy word options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spice Mobile free?

Spice Mobile is free to download, with in-app purchases available.

### Is NerdBook free?

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

### Which has better reviews, Spice Mobile or NerdBook?

NerdBook is rated higher. Spice Mobile averages 3.3 out of 5 from 4 ratings, while NerdBook averages 3.5 from 2 ratings.

### Do Spice Mobile or NerdBook have ads?

Neither Spice Mobile nor NerdBook shows ads.

### Which is updated more often, Spice Mobile or NerdBook?

Spice Mobile ships an update every 3 months, and NerdBook weekly. Most recently, Spice Mobile was updated on September 28, 2026 and NerdBook on September 24, 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.*