Comparison

SPIDERPLUS for iPhone vs TwoDo

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

Head to head
About

SPIDERPLUS for iPhone

Features
Read full description

----What is SPIDER PLUS?---- SPIDER PLUS is a field work management and information sharing system specialized in the construction industry. Features *Download and store a large quantity of drawings data in a tablet PC and no need to carry around paper drawings. *Attach memos and photos on the drawings at the field. *There is a folder function similar to Windows Explorer, and thumbnail images are also displayed and desired drawings can be easily found. *Approximate distance can be measured through a scale function. *Drawings and photos turned into PDF files on an iPad can be mailed directly without going through a server. *Share information among users in real-time. *Memos and photos can be output as EXCEL/PDF report. ----How to use SPIDER PLUS?---- 1. Register drawings on the server 2. Download to mobile devices from the server and carry around 3. Attach memos and photos on the drawings at the field 4. Share information among users in real-time 5. Edit and output contents entered from mobile devices using a web browser.

About

TwoDo

This utility app helps couples and partners manage shared tasks like shopping lists, places to visit, and to-dos. It features real-time synchronization between devices, ensuring both partners are always updated on additions and deletions. Say goodbye to forgotten items and missed opportunities with this simple, intuitive tool.

Highlights
  • Shared task management for couples
  • Real-time synchronization
  • Simple and intuitive UI
  • Manages shopping, places, and to-dos
  • Eliminates forgotten tasks
Features
Read full description

TwoDoは夫婦や恋人のためのToDoアプリです。 買うもの、行くとこ、すること、の3つを シンプルなUIで管理します。 相手がタスクを追加・削除すると すぐに自分のiPhoneにもリアルタイムに同期されます。 行こう行こうと思ってずっと行けていない場所、 買い物に行ったのに買い忘れて帰ってくる経験、 やろうと思ってるままやらず終いになっていること、 そんな全てとおさらばです。 TwoDo is a to-do app for couples and lovers. It manages three things: what to buy, where to go, and what to do, with a simple UI. If your partner adds or deletes a task, it will be synced to your iPhone soon. You can say goodbye to the places you've been meaning to go but haven't, the shopping you've gone to but forgot to buy, and the things you've been meaning to do but haven't done yet.

Screenshots

SPIDERPLUS for iPhone4 screens
TwoDo3 screens

Verdict

The call

The clearest difference is price: SPIDERPLUS for iPhone at Free against TwoDo's $0.99. TwoDo's advantage is update cadence (every 2 days vs every 5 weeks) and iOS requirement (14.0 vs 17.0). On ads, in-app purchases 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

SPIDERPLUS for iPhone is free to download; TwoDo costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SPIDERPLUS for iPhone ships an update every 5 weeks, TwoDo every 2 days. The most recent releases landed on October 30, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 5 level
SPIDERPLUS for iPhone versus TwoDo: the parameters behind the verdict, then further details
ParameterSPIDERPLUS for iPhoneTwoDo
PriceFree — better$0.99
Positive reviews—100.0% of reviews
Update frequencyEvery 5 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhoneiPhone, iPod — better
Requires iOS17.014.0 — better
Further details — not scored
Size54 MB26 MB
Age rating4+4+
DeveloperSpiderPlus & Co.Ryo Makishima

In-app purchases

None

SPIDERPLUS for iPhone

No in-app purchases

None

TwoDo

No in-app purchases

Questions

Is SPIDERPLUS for iPhone free?
SPIDERPLUS for iPhone is free to download, with no in-app purchases.
Is TwoDo free?
TwoDo costs $0.99, with no in-app purchases.
Do SPIDERPLUS for iPhone or TwoDo have ads?
Neither SPIDERPLUS for iPhone nor TwoDo shows ads.
Which is updated more often, SPIDERPLUS for iPhone or TwoDo?
SPIDERPLUS for iPhone ships an update every 5 weeks, and TwoDo every 2 days. Most recently, SPIDERPLUS for iPhone was updated on October 30, 2026 and TwoDo on November 3, 2026.

Other comparisons