Comparison

忘れんぼうAI vs ForestLibrary

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

忘れんぼうAI

Experience a peculiar and mysterious story in this short visual novel and puzzle game. You play as an ordinary company employee tasked with training an AI, leading to unexpected and strange events. Enjoy unique visuals and engaging puzzles.

Highlights
  • Short visual novel and puzzle gameplay
  • Engaging and mysterious story
  • Pencil puzzle (one-stroke drawing) mechanics
  • Unique collage-like visual style
  • Playable in 30-60 minutes
Features
Read full description

30分〜1時間程度で遊べる、短編ビジュアルノベル&パズルです。 あなたは、架空のショートショート小説『忘れんぼうAI』の主人公となり、奇妙で不思議な体験をしていきます。 ・・ある企業の平凡な社員であるあなたは、自らの仕事を自動化するAIの育成を求められます。 AIは着実に成長し、仕事の生産性も高くなっていき、順調に思えたのですが・・ <3つの特徴> ①奇妙で不思議なストーリーを体験できる ストーリーを重視したパズルゲームのため、特にストーリーを読み進めることが好きな方におすすめのゲームです。 ②30分〜1時間程度で遊べるお手軽さ 短編ストーリーと、10ステージほどのパズルで構成されているため、お手軽に遊んでいただけます。 また、パズルはペンシルパズル(一筆書き)をベースにしており、幅広い年齢層の方々にお楽しみいただけます。 ③ワトソン紙を切り貼りして作られたような独特なビジュアル 全ゲーム画面が、まるでワトソン紙(表面の凹凸が強めの紙)を切り貼りしたようなイラストで構成されており、新しいような懐かしいようなビジュアルをお楽しみいただけます。 不思議な話が好きな方、 ストーリーを楽しみたい方、 パズルゲームが好きな方、 さあ、コーヒーでも片手に、 奇妙で不思議なひとときをごゆるりとお楽しみください・・

About

ForestLibrary

Explore a mysterious forest library to uncover its hidden secrets. This casual escape game offers a charming atmosphere, helpful hints, and an auto-save feature for a relaxed puzzle-solving experience. Discover clues, use items, and combine them to progress through the game.

Highlights
  • Cute and charming atmosphere
  • Beginner-friendly escape game
  • In-game hints and answers
  • Auto-save progress
  • Item combination and usage
  • In-game camera function
Features
Read full description

A mysterious library in the forest used by the forest's inhabitants. There are rumors that there is a secret place deep inside. Let's find out what this secret place could be. [Features] ◆The cute atmosphere makes it fun for both men and women. ◆Even beginners to escape games can play it casually. ◆Don't worry if you get stuck because there are hints and answers. ◆Your progress is auto-saved so you can progress little by little. ◆This is an escape game that you can play for free until the end. [How to play] ◆Use the input device to find clues somewhere and release them. ◆Sometimes you may need to use items. ◆Tap the selected item to enlarge it. ◆You may also combine items together. ◆Use the in-game camera function to save locations that will give you hints for solving the puzzle. ◆When you get stuck, you can see the next hint or answer by pressing the light bulb button. [NAZOKOI] We mainly create puzzles and escape games. If you thought it was fun, please try our other apps.

Screenshots

忘れんぼうAI4 screens
ForestLibrary4 screens

Verdict

The call

The clearest difference is in-app purchases: 忘れんぼうAI at none against ForestLibrary's 3. 忘れんぼうAI also leads on ads (none vs shown) and iOS requirement (10.0 vs 13.0). ForestLibrary's advantage is review sentiment (100% vs 87%) and update cadence (every 3 days vs weekly). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ForestLibrary sells 3 one-off in-app purchases. 忘れんぼうAI asks for nothing beyond the download.

UpkeepUpdate frequency

忘れんぼうAI ships an update weekly, ForestLibrary every 3 days. The most recent releases landed on October 9, 2026 and September 11, 2026 respectively.

Scorecard6 real differences · 4 level
忘れんぼうAI versus ForestLibrary: the parameters behind the verdict, then further details
Parameter忘れんぼうAIForestLibrary
PriceFreeFree
Rating—4.9 (47 ratings) — better
Positive reviews86.7% of reviews100.0% of reviews — better
Number of ratings—47 — better
Update frequencyWeeklyEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better13.0
Further details — not scored
Size357 MB207 MB
Age rating4+4+
DeveloperHidehiro NakamuraAkina Kubota

Customer experience

忘れんぼうAI

Written reviews15 reviews
Positive86.7%
Neutral13.3%
Negative0.0%

ForestLibrary

All ratings40 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

忘れんぼうAI

No in-app purchases

3 purchases

ForestLibrary

One-time3
  • AdBlock1$0.49
  • AdBlock2$1.99
  • AdBlock3$2.99

Questions

Is 忘れんぼうAI free?
忘れんぼうAI is free to download, with no in-app purchases.
Is ForestLibrary free?
ForestLibrary is free to download, with in-app purchases available.
Do 忘れんぼうAI or ForestLibrary have ads?
ForestLibrary shows ads; 忘れんぼうAI does not.
Which is updated more often, 忘れんぼうAI or ForestLibrary?
忘れんぼうAI ships an update weekly, and ForestLibrary every 3 days. Most recently, 忘れんぼうAI was updated on October 9, 2026 and ForestLibrary on September 11, 2026.

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