# GCP Cloud Developer Prep 2026 vs MistakeBook

The clearest difference is price: GCP Cloud Developer Prep 2026 at Free against MistakeBook's $1.99. MistakeBook's advantage is ads (none vs shown) and update cadence (monthly vs every 9 months). On in-app purchases and device support there is nothing between them.

GCP Cloud Developer Prep 2026 is free to download; MistakeBook costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GCP Cloud Developer Prep 2026 ships an update every 9 months, MistakeBook monthly. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | GCP Cloud Developer Prep 2026 | MistakeBook |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | — | Paid |
| Size | 16 MB | 26 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SPIDER SERVICE SRL](https://appshunter.io/developer/1120210105) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### GCP Cloud Developer Prep 2026

[App page](https://appshunter.io/ios/app/gcp-cloud-developer-prep-2026/id6756234039)

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

**In-app purchases:** none


### MistakeBook

[App page](https://appshunter.io/ios/app/mistakebook-wrong-answer-log/id6770173206)

Log and review incorrect answers to improve learning. Organize mistakes by subject and topic, and utilize spaced repetition to reinforce weak areas. Track progress with visual charts and daily check-ins for effective test preparation.

**Highlights:** Log mistakes with photos and notes, Organize by subject and custom tags, Spaced repetition review mode, Ebbinghaus forgetting curve schedule, Progress charts and stats dashboard, Data import/export backup

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

**In-app purchases:** none


## Frequently asked questions

### Is GCP Cloud Developer Prep 2026 free?

GCP Cloud Developer Prep 2026 is free to download, with no in-app purchases.

### Is MistakeBook free?

MistakeBook costs $1.99, with no in-app purchases.

### Do GCP Cloud Developer Prep 2026 or MistakeBook have ads?

GCP Cloud Developer Prep 2026 shows ads; MistakeBook does not.

### Which is updated more often, GCP Cloud Developer Prep 2026 or MistakeBook?

GCP Cloud Developer Prep 2026 ships an update every 9 months, and MistakeBook monthly. Most recently, GCP Cloud Developer Prep 2026 was updated on October 25, 2026 and MistakeBook on October 20, 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.*